* 'Kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/misc: (36 commits)
fs/Kconfig: move 9p out
fs/Kconfig: move afs out
fs/Kconfig: move coda out
fs/Kconfig: move the rest of ncpfs out
fs/Kconfig: move smbfs out
fs/Kconfig: move sunrpc out
fs/Kconfig: move nfsd out
fs/Kconfig: move nfs out
fs/Kconfig: move ufs out
fs/Kconfig: move sysv out
fs/Kconfig: move romfs out
fs/Kconfig: move qnx4 out
fs/Kconfig: move hpfs out
fs/Kconfig: move omfs out
fs/Kconfig: move minix out
fs/Kconfig: move vxfs out
fs/Kconfig: move squashfs out
fs/Kconfig: move cramfs out
fs/Kconfig: move efs out
fs/Kconfig: move bfs out
...
a memory unit (amount[KMG]). See also
Documentation/kdump/kdump.txt for a example.
- cs4232= [HW,OSS]
- Format: <io>,<irq>,<dma>,<dma2>,<mpuio>,<mpuirq>
-
cs89x0_dma= [HW,NET]
Format: <dma>
Default value is 0.
Value can be changed at runtime via /selinux/enforce.
- es1371= [HW,OSS]
- Format: <spdif>,[<nomix>,[<amplifier>]]
- See also header of sound/oss/es1371.c.
-
ether= [HW,NET] Ethernet cards parameters
This option is obsoleted by the "netdev=" option, which
has equivalent usage. See its documentation for details.
STAC92HD83*
===========
ref Reference board
+ mic-ref Reference board with power managment for ports
STAC9872
========
/*
* Copyright 1992, Linus Torvalds.
+ *
+ * Note: inlines with more than a single statement should be marked
+ * __always_inline to avoid problems with older gcc's inlining heuristics.
*/
#ifndef _LINUX_BITOPS_H
* Note that @nr may be almost arbitrarily large; this function is not
* restricted to acting on a single-word quantity.
*/
-static inline void set_bit(unsigned int nr, volatile unsigned long *addr)
+static __always_inline void
+set_bit(unsigned int nr, volatile unsigned long *addr)
{
if (IS_IMMEDIATE(nr)) {
asm volatile(LOCK_PREFIX "orb %1,%0"
* you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit()
* in order to ensure changes are visible on other processors.
*/
-static inline void clear_bit(int nr, volatile unsigned long *addr)
+static __always_inline void
+clear_bit(int nr, volatile unsigned long *addr)
{
if (IS_IMMEDIATE(nr)) {
asm volatile(LOCK_PREFIX "andb %1,%0"
*
* This is the same as test_and_set_bit on x86.
*/
-static inline int test_and_set_bit_lock(int nr, volatile unsigned long *addr)
+static __always_inline int
+test_and_set_bit_lock(int nr, volatile unsigned long *addr)
{
return test_and_set_bit(nr, addr);
}
return oldbit;
}
-static inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr)
+static __always_inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr)
{
return ((1UL << (nr % BITS_PER_LONG)) &
(((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
* A boot-time mapping is currently limited to at most 16 pages.
*/
extern void early_ioremap_init(void);
-extern void early_ioremap_clear(void);
extern void early_ioremap_reset(void);
extern void __iomem *early_ioremap(unsigned long offset, unsigned long size);
extern void __iomem *early_memremap(unsigned long offset, unsigned long size);
#define MSR_IA32_THERM_STATUS 0x0000019c
#define MSR_IA32_MISC_ENABLE 0x000001a0
+/* MISC_ENABLE bits: architectural */
+#define MSR_IA32_MISC_ENABLE_FAST_STRING (1ULL << 0)
+#define MSR_IA32_MISC_ENABLE_TCC (1ULL << 1)
+#define MSR_IA32_MISC_ENABLE_EMON (1ULL << 7)
+#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL (1ULL << 11)
+#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL (1ULL << 12)
+#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP (1ULL << 16)
+#define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18)
+#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID (1ULL << 22)
+#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE (1ULL << 23)
+#define MSR_IA32_MISC_ENABLE_XD_DISABLE (1ULL << 34)
+
+/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */
+#define MSR_IA32_MISC_ENABLE_X87_COMPAT (1ULL << 2)
+#define MSR_IA32_MISC_ENABLE_TM1 (1ULL << 3)
+#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE (1ULL << 4)
+#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE (1ULL << 6)
+#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK (1ULL << 8)
+#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE (1ULL << 9)
+#define MSR_IA32_MISC_ENABLE_FERR (1ULL << 10)
+#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX (1ULL << 10)
+#define MSR_IA32_MISC_ENABLE_TM2 (1ULL << 13)
+#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE (1ULL << 19)
+#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK (1ULL << 20)
+#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT (1ULL << 24)
+#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE (1ULL << 37)
+#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE (1ULL << 38)
+#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE (1ULL << 39)
+
/* Intel Model 6 */
#define MSR_P6_EVNTSEL0 0x00000186
#define MSR_P6_EVNTSEL1 0x00000187
static inline void pte_free(struct mm_struct *mm, struct page *pte)
{
+ pgtable_page_dtor(pte);
__free_page(pte);
}
struct old_sigaction __user *);
asmlinkage int sys_sigaltstack(unsigned long);
asmlinkage unsigned long sys_sigreturn(unsigned long);
-asmlinkage int sys_rt_sigreturn(struct pt_regs);
+asmlinkage int sys_rt_sigreturn(unsigned long);
/* kernel/ioport.c */
asmlinkage long sys_iopl(unsigned long);
-/* x86 architecture timex specifications */
#ifndef _ASM_X86_TIMEX_H
#define _ASM_X86_TIMEX_H
#include <asm/processor.h>
#include <asm/tsc.h>
-#ifdef CONFIG_X86_ELAN
-# define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */
-#elif defined(CONFIG_X86_RDC321X)
-# define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */
-#else
-# define PIT_TICK_RATE 1193182 /* Underlying HZ */
-#endif
-#define CLOCK_TICK_RATE PIT_TICK_RATE
+/* The PIT ticks at this frequency (in HZ): */
+#define PIT_TICK_RATE 1193182
+
+#define CLOCK_TICK_RATE PIT_TICK_RATE
#define ARCH_HAS_READ_CURRENT_TIMER
{
unsigned int value;
+ /* APIC hasn't been mapped yet */
+ if (!apic_phys)
+ return;
+
clear_local_APIC();
/*
num_processors++;
cpu = cpumask_next_zero(-1, cpu_present_mask);
+ if (version != apic_version[boot_cpu_physical_apicid])
+ WARN_ONCE(1,
+ "ACPI: apic version mismatch, bootcpu: %x cpu %d: %x\n",
+ apic_version[boot_cpu_physical_apicid], cpu, version);
+
physid_set(apicid, phys_cpu_present_map);
if (apicid == boot_cpu_physical_apicid) {
/*
struct drv_cmd {
unsigned int type;
- cpumask_var_t mask;
+ const struct cpumask *mask;
drv_addr_union addr;
u32 val;
};
-static void do_drv_read(struct drv_cmd *cmd)
+static long do_drv_read(void *_cmd)
{
+ struct drv_cmd *cmd = _cmd;
u32 h;
switch (cmd->type) {
default:
break;
}
+ return 0;
}
-static void do_drv_write(struct drv_cmd *cmd)
+static long do_drv_write(void *_cmd)
{
+ struct drv_cmd *cmd = _cmd;
u32 lo, hi;
switch (cmd->type) {
default:
break;
}
+ return 0;
}
static void drv_read(struct drv_cmd *cmd)
{
- cpumask_t saved_mask = current->cpus_allowed;
cmd->val = 0;
- set_cpus_allowed_ptr(current, cmd->mask);
- do_drv_read(cmd);
- set_cpus_allowed_ptr(current, &saved_mask);
+ work_on_cpu(cpumask_any(cmd->mask), do_drv_read, cmd);
}
static void drv_write(struct drv_cmd *cmd)
{
- cpumask_t saved_mask = current->cpus_allowed;
unsigned int i;
for_each_cpu(i, cmd->mask) {
- set_cpus_allowed_ptr(current, cpumask_of(i));
- do_drv_write(cmd);
+ work_on_cpu(i, do_drv_write, cmd);
}
-
- set_cpus_allowed_ptr(current, &saved_mask);
- return;
}
static u32 get_cur_val(const struct cpumask *mask)
return 0;
}
- cpumask_copy(cmd.mask, mask);
-
+ cmd.mask = mask;
drv_read(&cmd);
dprintk("get_cur_val = %u\n", cmd.val);
return freq;
}
-static unsigned int check_freqs(const cpumask_t *mask, unsigned int freq,
+static unsigned int check_freqs(const struct cpumask *mask, unsigned int freq,
struct acpi_cpufreq_data *data)
{
unsigned int cur_freq;
return -ENODEV;
}
- if (unlikely(!alloc_cpumask_var(&cmd.mask, GFP_KERNEL)))
- return -ENOMEM;
-
perf = data->acpi_data;
result = cpufreq_frequency_table_target(policy,
data->freq_table,
/* cpufreq holds the hotplug lock, so we are safe from here on */
if (policy->shared_type != CPUFREQ_SHARED_TYPE_ANY)
- cpumask_and(cmd.mask, cpu_online_mask, policy->cpus);
+ cmd.mask = policy->cpus;
else
- cpumask_copy(cmd.mask, cpumask_of(policy->cpu));
+ cmd.mask = cpumask_of(policy->cpu);
freqs.old = perf->states[perf->state].core_frequency * 1000;
freqs.new = data->freq_table[next_state].frequency;
perf->state = next_perf_state;
out:
- free_cpumask_var(cmd.mask);
return result;
}
static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
{
+ /* Unmask CPUID levels if masked: */
+ if (c->x86 == 6 && c->x86_model >= 15) {
+ u64 misc_enable;
+
+ rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
+
+ if (misc_enable & MSR_IA32_MISC_ENABLE_LIMIT_CPUID) {
+ misc_enable &= ~MSR_IA32_MISC_ENABLE_LIMIT_CPUID;
+ wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
+ c->cpuid_level = cpuid_eax(0);
+ }
+ }
+
if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
(c->x86 == 0x6 && c->x86_model >= 0x0e))
set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
struct mtrr_state_type mtrr_state = {};
EXPORT_SYMBOL_GPL(mtrr_state);
-#undef MODULE_PARAM_PREFIX
-#define MODULE_PARAM_PREFIX "mtrr."
-
-static int mtrr_show;
-module_param_named(show, mtrr_show, bool, 0);
+static int __initdata mtrr_show;
+static int __init mtrr_debug(char *opt)
+{
+ mtrr_show = 1;
+ return 0;
+}
+early_param("mtrr.show", mtrr_debug);
/*
* Returns the effective MTRR type for the region
switch (action & 0xf) {
case CPU_ONLINE:
- INIT_DELAYED_WORK(&work.work, hpet_work);
+ INIT_DELAYED_WORK_ON_STACK(&work.work, hpet_work);
init_completion(&work.complete);
/* FIXME: add schedule_work_on() */
schedule_delayed_work_on(cpu, &work.work, 0);
wait_for_completion(&work.complete);
+ destroy_timer_on_stack(&work.work.timer);
break;
case CPU_DEAD:
if (hdev) {
#ifdef CONFIG_X86_64
/* correctly size the local cpu masks */
-static void setup_cpu_local_masks(void)
+static void __init setup_cpu_local_masks(void)
{
alloc_bootmem_cpumask_var(&cpu_initialized_mask);
alloc_bootmem_cpumask_var(&cpu_callin_mask);
}
#ifdef CONFIG_X86_32
-asmlinkage int sys_rt_sigreturn(struct pt_regs regs)
+/*
+ * Note: do not pass in pt_regs directly as with tail-call optimization
+ * GCC will incorrectly stomp on the caller's frame and corrupt user-space
+ * register state:
+ */
+asmlinkage int sys_rt_sigreturn(unsigned long __unused)
{
- return do_rt_sigreturn(®s);
+ struct pt_regs *regs = (struct pt_regs *)&__unused;
+
+ return do_rt_sigreturn(regs);
}
#else /* !CONFIG_X86_32 */
asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
destination_timeouts = 0;
}
}
+ cpu_relax();
}
return FLUSH_COMPLETE;
}
#endif
}
-void vmi_activate(void)
+void __init vmi_activate(void)
{
unsigned long flags;
" jmp 2b\n" \
".previous\n" \
_ASM_EXTABLE(0b,3b) \
- : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \
+ : "=&d"(res), "=&c"(count), "=&a" (__d0), "=&S" (__d1), \
"=&D" (__d2) \
: "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \
: "memory"); \
" .align 4\n"
" .long 0b,2b\n"
".previous"
- :"=r" (n), "=D" (s), "=a" (res), "=c" (tmp)
+ :"=&r" (n), "=&D" (s), "=&a" (res), "=&c" (tmp)
:"0" (n), "1" (s), "2" (0), "3" (mask)
:"cc");
return res & mask;
" jmp 2b\n" \
".previous\n" \
_ASM_EXTABLE(0b,3b) \
- : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \
+ : "=&r"(res), "=&c"(count), "=&a" (__d0), "=&S" (__d1), \
"=&D" (__d2) \
: "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \
: "memory"); \
".previous\n"
_ASM_EXTABLE(0b,3b)
_ASM_EXTABLE(1b,2b)
- : [size8] "=c"(size), [dst] "=&D" (__d0)
+ : [size8] "=&c"(size), [dst] "=&D" (__d0)
: [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr),
[zero] "r" (0UL), [eight] "r" (8UL));
return size;
return pte_offset_kernel(pmd, 0);
}
+static pte_t *__init page_table_kmap_check(pte_t *pte, pmd_t *pmd,
+ unsigned long vaddr, pte_t *lastpte)
+{
+#ifdef CONFIG_HIGHMEM
+ /*
+ * Something (early fixmap) may already have put a pte
+ * page here, which causes the page table allocation
+ * to become nonlinear. Attempt to fix it, and if it
+ * is still nonlinear then we have to bug.
+ */
+ int pmd_idx_kmap_begin = fix_to_virt(FIX_KMAP_END) >> PMD_SHIFT;
+ int pmd_idx_kmap_end = fix_to_virt(FIX_KMAP_BEGIN) >> PMD_SHIFT;
+
+ if (pmd_idx_kmap_begin != pmd_idx_kmap_end
+ && (vaddr >> PMD_SHIFT) >= pmd_idx_kmap_begin
+ && (vaddr >> PMD_SHIFT) <= pmd_idx_kmap_end
+ && ((__pa(pte) >> PAGE_SHIFT) < table_start
+ || (__pa(pte) >> PAGE_SHIFT) >= table_end)) {
+ pte_t *newpte;
+ int i;
+
+ BUG_ON(after_init_bootmem);
+ newpte = alloc_low_page();
+ for (i = 0; i < PTRS_PER_PTE; i++)
+ set_pte(newpte + i, pte[i]);
+
+ paravirt_alloc_pte(&init_mm, __pa(newpte) >> PAGE_SHIFT);
+ set_pmd(pmd, __pmd(__pa(newpte)|_PAGE_TABLE));
+ BUG_ON(newpte != pte_offset_kernel(pmd, 0));
+ __flush_tlb_all();
+
+ paravirt_release_pte(__pa(pte) >> PAGE_SHIFT);
+ pte = newpte;
+ }
+ BUG_ON(vaddr < fix_to_virt(FIX_KMAP_BEGIN - 1)
+ && vaddr > fix_to_virt(FIX_KMAP_END)
+ && lastpte && lastpte + PTRS_PER_PTE != pte);
+#endif
+ return pte;
+}
+
/*
* This function initializes a certain range of kernel virtual memory
* with new bootmem page tables, everywhere page tables are missing in
unsigned long vaddr;
pgd_t *pgd;
pmd_t *pmd;
+ pte_t *pte = NULL;
vaddr = start;
pgd_idx = pgd_index(vaddr);
pmd = pmd + pmd_index(vaddr);
for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end);
pmd++, pmd_idx++) {
- one_page_table_init(pmd);
+ pte = page_table_kmap_check(one_page_table_init(pmd),
+ pmd, vaddr, pte);
vaddr += PMD_SIZE;
}
* Fixed mappings, only the page table structure has to be
* created - mappings will be set by set_fixmap():
*/
- early_ioremap_clear();
vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK;
page_table_range_init(vaddr, end, pgd_base);
tables += PAGE_ALIGN(ptes * sizeof(pte_t));
/* for fixmap */
- tables += PAGE_SIZE * 2;
+ tables += PAGE_ALIGN(__end_of_fixed_addresses * sizeof(pte_t));
/*
* RED-PEN putting page tables only on node 0 could
direct_gbpages = 0;
}
-static unsigned long __init kernel_physical_mapping_init(unsigned long start,
+static unsigned long __meminit kernel_physical_mapping_init(unsigned long start,
unsigned long end,
unsigned long page_size_mask)
{
*/
#include <asm/iomap.h>
+#include <asm/pat.h>
#include <linux/module.h>
/* Map 'pfn' using fixed map 'type' and protections 'prot'
pagefault_disable();
+ /*
+ * For non-PAT systems, promote PAGE_KERNEL_WC to PAGE_KERNEL_UC_MINUS.
+ * PAGE_KERNEL_WC maps to PWT, which translates to uncached if the
+ * MTRR is UC or WC. UC_MINUS gets the real intention, of the
+ * user, which is "WC if the MTRR is WC, UC if you can't do that."
+ */
+ if (!pat_enabled && pgprot_val(prot) == pgprot_val(PAGE_KERNEL_WC))
+ prot = PAGE_KERNEL_UC_MINUS;
+
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
set_pte(kmap_pte-idx, pfn_pte(pfn, prot));
}
}
-void __init early_ioremap_clear(void)
-{
- pmd_t *pmd;
-
- if (early_ioremap_debug)
- printk(KERN_INFO "early_ioremap_clear()\n");
-
- pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
- pmd_clear(pmd);
- paravirt_release_pte(__pa(bm_pte) >> PAGE_SHIFT);
- __flush_tlb_all();
-}
-
void __init early_ioremap_reset(void)
{
- enum fixed_addresses idx;
- unsigned long addr, phys;
- pte_t *pte;
-
after_paging_init = 1;
- for (idx = FIX_BTMAP_BEGIN; idx >= FIX_BTMAP_END; idx--) {
- addr = fix_to_virt(idx);
- pte = early_ioremap_pte(addr);
- if (pte_present(*pte)) {
- phys = pte_val(*pte) & PAGE_MASK;
- set_fixmap(idx, phys);
- }
- }
}
static void __init __early_set_fixmap(enum fixed_addresses idx,
return 0;
}
+static int __cpa_process_fault(struct cpa_data *cpa, unsigned long vaddr,
+ int primary)
+{
+ /*
+ * Ignore all non primary paths.
+ */
+ if (!primary)
+ return 0;
+
+ /*
+ * Ignore the NULL PTE for kernel identity mapping, as it is expected
+ * to have holes.
+ * Also set numpages to '1' indicating that we processed cpa req for
+ * one virtual address page and its pfn. TBD: numpages can be set based
+ * on the initial value and the level returned by lookup_address().
+ */
+ if (within(vaddr, PAGE_OFFSET,
+ PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT))) {
+ cpa->numpages = 1;
+ cpa->pfn = __pa(vaddr) >> PAGE_SHIFT;
+ return 0;
+ } else {
+ WARN(1, KERN_WARNING "CPA: called for zero pte. "
+ "vaddr = %lx cpa->vaddr = %lx\n", vaddr,
+ *cpa->vaddr);
+
+ return -EFAULT;
+ }
+}
+
static int __change_page_attr(struct cpa_data *cpa, int primary)
{
unsigned long address;
repeat:
kpte = lookup_address(address, &level);
if (!kpte)
- return 0;
+ return __cpa_process_fault(cpa, address, primary);
old_pte = *kpte;
- if (!pte_val(old_pte)) {
- if (!primary)
- return 0;
- WARN(1, KERN_WARNING "CPA: called for zero pte. "
- "vaddr = %lx cpa->vaddr = %lx\n", address,
- *cpa->vaddr);
- return -EINVAL;
- }
+ if (!pte_val(old_pte))
+ return __cpa_process_fault(cpa, address, primary);
if (level == PG_LEVEL_4K) {
pte_t new_pte;
vaddr = *cpa->vaddr;
if (!(within(vaddr, PAGE_OFFSET,
- PAGE_OFFSET + (max_low_pfn_mapped << PAGE_SHIFT))
-#ifdef CONFIG_X86_64
- || within(vaddr, PAGE_OFFSET + (1UL<<32),
- PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT))
-#endif
- )) {
+ PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT)))) {
alias_cpa = *cpa;
temp_cpa_vaddr = (unsigned long) __va(cpa->pfn << PAGE_SHIFT);
req_type & _PAGE_CACHE_MASK);
}
- is_range_ram = pagerange_is_ram(start, end);
- if (is_range_ram == 1)
- return reserve_ram_pages_type(start, end, req_type, new_type);
- else if (is_range_ram < 0)
- return -EINVAL;
+ if (new_type)
+ *new_type = actual_type;
+
+ /*
+ * For legacy reasons, some parts of the physical address range in the
+ * legacy 1MB region is treated as non-RAM (even when listed as RAM in
+ * the e820 tables). So we will track the memory attributes of this
+ * legacy 1MB region using the linear memtype_list always.
+ */
+ if (end >= ISA_END_ADDRESS) {
+ is_range_ram = pagerange_is_ram(start, end);
+ if (is_range_ram == 1)
+ return reserve_ram_pages_type(start, end, req_type,
+ new_type);
+ else if (is_range_ram < 0)
+ return -EINVAL;
+ }
new = kmalloc(sizeof(struct memtype), GFP_KERNEL);
if (!new)
new->end = end;
new->type = actual_type;
- if (new_type)
- *new_type = actual_type;
-
spin_lock(&memtype_lock);
if (cached_entry && start >= cached_start)
if (is_ISA_range(start, end - 1))
return 0;
- is_range_ram = pagerange_is_ram(start, end);
- if (is_range_ram == 1)
- return free_ram_pages_type(start, end);
- else if (is_range_ram < 0)
- return -EINVAL;
+ /*
+ * For legacy reasons, some parts of the physical address range in the
+ * legacy 1MB region is treated as non-RAM (even when listed as RAM in
+ * the e820 tables). So we will track the memory attributes of this
+ * legacy 1MB region using the linear memtype_list always.
+ */
+ if (end >= ISA_END_ADDRESS) {
+ is_range_ram = pagerange_is_ram(start, end);
+ if (is_range_ram == 1)
+ return free_ram_pages_type(start, end);
+ else if (is_range_ram < 0)
+ return -EINVAL;
+ }
spin_lock(&memtype_lock);
list_for_each_entry(entry, &memtype_list, nd) {
ret = i915_gem_init_phys_object(dev, id,
obj->size);
if (ret) {
- DRM_ERROR("failed to init phys object %d size: %d\n", id, obj->size);
+ DRM_ERROR("failed to init phys object %d size: %zu\n", id, obj->size);
goto out;
}
}
static const struct ide_port_info falconide_port_info = {
.tp_ops = &falconide_tp_ops,
- .host_flags = IDE_HFLAG_NO_DMA,
+ .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE,
};
static void __init falconide_setup_ports(hw_regs_t *hw)
/* register with global device tree */
dev_set_name(&hwif->gendev, hwif->name);
hwif->gendev.driver_data = hwif;
- hwif->gendev.parent = hwif->dev;
+ if (hwif->gendev.parent == NULL)
+ hwif->gendev.parent = hwif->dev;
hwif->gendev.release = hwif_release_dev;
ret = device_register(&hwif->gendev);
{
struct clk *clk;
struct resource *mem, *irq;
- unsigned long base, rate;
+ void __iomem *base;
+ unsigned long rate;
int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
base = IO_ADDRESS(mem->start);
/* Configure the Palm Chip controller */
- palm_bk3710_chipinit((void __iomem *)base);
+ palm_bk3710_chipinit(base);
for (i = 0; i < IDE_NR_PORTS - 2; i++)
- hw.io_ports_array[i] = base + IDE_PALM_ATA_PRI_REG_OFFSET + i;
- hw.io_ports.ctl_addr = base + IDE_PALM_ATA_PRI_CTL_OFFSET;
+ hw.io_ports_array[i] = (unsigned long)
+ (base + IDE_PALM_ATA_PRI_REG_OFFSET + i);
+ hw.io_ports.ctl_addr = (unsigned long)
+ (base + IDE_PALM_ATA_PRI_CTL_OFFSET);
hw.irq = irq->start;
hw.dev = &pdev->dev;
hw.chipset = ide_palm3710;
return;
fail:
+ entry->event = NULL;
cpu_buf->sample_lost_overflow++;
}
int oprofile_add_data(struct op_entry *entry, unsigned long val)
{
+ if (!entry->event)
+ return 0;
return op_cpu_buffer_add_data(entry, val);
}
int oprofile_write_commit(struct op_entry *entry)
{
+ if (!entry->event)
+ return -EINVAL;
return op_cpu_buffer_write_commit(entry);
}
cpu_buf->last_task = NULL;
}
+/*
+ * op_cpu_buffer_add_data() and op_cpu_buffer_write_commit() may be
+ * called only if op_cpu_buffer_write_reserve() did not return NULL or
+ * entry->event != NULL, otherwise entry->size or entry->event will be
+ * used uninitialized.
+ */
+
struct op_sample
*op_cpu_buffer_write_reserve(struct op_entry *entry, unsigned long size);
int op_cpu_buffer_write_commit(struct op_entry *entry);
frame_list[i] = pfn_to_mfn(pfn);
scrub_page(page);
+
+ if (!PageHighMem(page)) {
+ ret = HYPERVISOR_update_va_mapping(
+ (unsigned long)__va(pfn << PAGE_SHIFT),
+ __pte_ma(0), 0);
+ BUG_ON(ret);
+ }
+
}
/* Ensure that ballooned highmem pages don't have kmaps. */
static int xenbus_write_transaction(unsigned msg_type,
struct xenbus_file_priv *u)
{
- int rc, ret;
+ int rc;
void *reply;
struct xenbus_transaction_holder *trans = NULL;
LIST_HEAD(staging_q);
}
mutex_lock(&u->reply_mutex);
- ret = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg));
- if (!ret)
- ret = queue_reply(&staging_q, reply, u->u.msg.len);
- if (!ret) {
+ rc = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg));
+ if (!rc)
+ rc = queue_reply(&staging_q, reply, u->u.msg.len);
+ if (!rc) {
list_splice_tail(&staging_q, &u->read_buffers);
wake_up(&u->read_waitq);
} else {
queue_cleanup(&staging_q);
- rc = ret;
}
mutex_unlock(&u->reply_mutex);
fc->blocked = 0;
wake_up_all(&fc->blocked_waitq);
}
- if (fc->num_background == FUSE_CONGESTION_THRESHOLD) {
+ if (fc->num_background == FUSE_CONGESTION_THRESHOLD &&
+ fc->connected) {
clear_bdi_congested(&fc->bdi, READ);
clear_bdi_congested(&fc->bdi, WRITE);
}
struct fuse_copy_state *cs)
{
struct fuse_notify_poll_wakeup_out outarg;
- int err;
+ int err = -EINVAL;
if (size != sizeof(outarg))
- return -EINVAL;
+ goto err;
err = fuse_copy_one(cs, &outarg, sizeof(outarg));
if (err)
- return err;
+ goto err;
+ fuse_copy_finish(cs);
return fuse_notify_poll_wakeup(fc, &outarg);
+
+err:
+ fuse_copy_finish(cs);
+ return err;
}
static int fuse_notify(struct fuse_conn *fc, enum fuse_notify_code code,
return fuse_notify_poll(fc, size, cs);
default:
+ fuse_copy_finish(cs);
return -EINVAL;
}
}
*/
if (!oh.unique) {
err = fuse_notify(fc, oh.error, nbytes - sizeof(oh), &cs);
- fuse_copy_finish(&cs);
return err ? err : nbytes;
}
ff->reserved_req = fuse_request_alloc();
if (!ff->reserved_req) {
kfree(ff);
- ff = NULL;
+ return NULL;
} else {
INIT_LIST_HEAD(&ff->write_entry);
atomic_set(&ff->count, 0);
list_del(&fc->entry);
fuse_ctl_remove_conn(fc);
mutex_unlock(&fuse_mutex);
+ bdi_destroy(&fc->bdi);
fuse_conn_put(fc);
}
if (fc->destroy_req)
fuse_request_free(fc->destroy_req);
mutex_destroy(&fc->inst_mutex);
- bdi_destroy(&fc->bdi);
fc->release(fc);
}
}
int err;
int is_bdev = sb->s_bdev != NULL;
+ err = -EINVAL;
if (sb->s_flags & MS_MANDLOCK)
- return -EINVAL;
+ goto err;
if (!parse_fuse_opt((char *) data, &d, is_bdev))
- return -EINVAL;
+ goto err;
if (is_bdev) {
#ifdef CONFIG_BLOCK
+ err = -EINVAL;
if (!sb_set_blocksize(sb, d.blksize))
- return -EINVAL;
+ goto err;
#endif
} else {
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_export_op = &fuse_export_operations;
file = fget(d.fd);
+ err = -EINVAL;
if (!file)
- return -EINVAL;
+ goto err;
if (file->f_op != &fuse_dev_operations)
- return -EINVAL;
+ goto err_fput;
fc = kmalloc(sizeof(*fc), GFP_KERNEL);
+ err = -ENOMEM;
if (!fc)
- return -ENOMEM;
+ goto err_fput;
err = fuse_conn_init(fc, sb);
if (err) {
kfree(fc);
- return err;
+ goto err_fput;
}
fc->release = fuse_free_conn;
err = -ENOMEM;
root = fuse_get_root_inode(sb, d.rootmode);
if (!root)
- goto err;
+ goto err_put_conn;
root_dentry = d_alloc_root(root);
if (!root_dentry) {
iput(root);
- goto err;
+ goto err_put_conn;
}
init_req = fuse_request_alloc();
fuse_request_free(init_req);
err_put_root:
dput(root_dentry);
- err:
- fput(file);
+ err_put_conn:
fuse_conn_put(fc);
+ err_fput:
+ fput(file);
+ err:
return err;
}
return ret;
}
+/*
+ * Get an inotify_kernel_event if one exists and is small
+ * enough to fit in "count". Return an error pointer if
+ * not large enough.
+ *
+ * Called with the device ev_mutex held.
+ */
+static struct inotify_kernel_event *get_one_event(struct inotify_device *dev,
+ size_t count)
+{
+ size_t event_size = sizeof(struct inotify_event);
+ struct inotify_kernel_event *kevent;
+
+ if (list_empty(&dev->events))
+ return NULL;
+
+ kevent = inotify_dev_get_event(dev);
+ if (kevent->name)
+ event_size += kevent->event.len;
+
+ if (event_size > count)
+ return ERR_PTR(-EINVAL);
+
+ remove_kevent(dev, kevent);
+ return kevent;
+}
+
+/*
+ * Copy an event to user space, returning how much we copied.
+ *
+ * We already checked that the event size is smaller than the
+ * buffer we had in "get_one_event()" above.
+ */
+static ssize_t copy_event_to_user(struct inotify_kernel_event *kevent,
+ char __user *buf)
+{
+ size_t event_size = sizeof(struct inotify_event);
+
+ if (copy_to_user(buf, &kevent->event, event_size))
+ return -EFAULT;
+
+ if (kevent->name) {
+ buf += event_size;
+
+ if (copy_to_user(buf, kevent->name, kevent->event.len))
+ return -EFAULT;
+
+ event_size += kevent->event.len;
+ }
+ return event_size;
+}
+
static ssize_t inotify_read(struct file *file, char __user *buf,
size_t count, loff_t *pos)
{
- size_t event_size = sizeof (struct inotify_event);
struct inotify_device *dev;
char __user *start;
int ret;
dev = file->private_data;
while (1) {
+ struct inotify_kernel_event *kevent;
prepare_to_wait(&dev->wq, &wait, TASK_INTERRUPTIBLE);
mutex_lock(&dev->ev_mutex);
- if (!list_empty(&dev->events)) {
- ret = 0;
- break;
- }
+ kevent = get_one_event(dev, count);
mutex_unlock(&dev->ev_mutex);
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- break;
- }
-
- if (signal_pending(current)) {
- ret = -EINTR;
- break;
+ if (kevent) {
+ ret = PTR_ERR(kevent);
+ if (IS_ERR(kevent))
+ break;
+ ret = copy_event_to_user(kevent, buf);
+ free_kevent(kevent);
+ if (ret < 0)
+ break;
+ buf += ret;
+ count -= ret;
+ continue;
}
- schedule();
- }
-
- finish_wait(&dev->wq, &wait);
- if (ret)
- return ret;
-
- while (1) {
- struct inotify_kernel_event *kevent;
-
- ret = buf - start;
- if (list_empty(&dev->events))
+ ret = -EAGAIN;
+ if (file->f_flags & O_NONBLOCK)
break;
-
- kevent = inotify_dev_get_event(dev);
- if (event_size + kevent->event.len > count) {
- if (ret == 0 && count > 0) {
- /*
- * could not get a single event because we
- * didn't have enough buffer space.
- */
- ret = -EINVAL;
- }
+ ret = -EINTR;
+ if (signal_pending(current))
break;
- }
- remove_kevent(dev, kevent);
- /*
- * Must perform the copy_to_user outside the mutex in order
- * to avoid a lock order reversal with mmap_sem.
- */
- mutex_unlock(&dev->ev_mutex);
-
- if (copy_to_user(buf, &kevent->event, event_size)) {
- ret = -EFAULT;
+ if (start != buf)
break;
- }
- buf += event_size;
- count -= event_size;
-
- if (kevent->name) {
- if (copy_to_user(buf, kevent->name, kevent->event.len)){
- ret = -EFAULT;
- break;
- }
- buf += kevent->event.len;
- count -= kevent->event.len;
- }
-
- free_kevent(kevent);
- mutex_lock(&dev->ev_mutex);
+ schedule();
}
- mutex_unlock(&dev->ev_mutex);
+ finish_wait(&dev->wq, &wait);
+ if (start != buf && ret != -EFAULT)
+ ret = buf - start;
return ret;
}
config XFS_FS
tristate "XFS filesystem support"
depends on BLOCK
+ select EXPORTFS
help
XFS is a high performance journaling filesystem which originated
on the SGI IRIX platform. It is completely multi-threaded, can
#include "xfs_vnodeops.h"
#include "xfs_quota.h"
#include "xfs_inode_item.h"
+#include "xfs_export.h"
#include <linux/capability.h>
#include <linux/dcache.h>
#include <linux/mount.h>
#include <linux/namei.h>
#include <linux/pagemap.h>
+#include <linux/exportfs.h>
/*
* xfs_find_handle maps from userspace xfs_fsop_handlereq structure to
return 0;
}
-
/*
- * Convert userspace handle data into inode.
- *
- * We use the fact that all the fsop_handlereq ioctl calls have a data
- * structure argument whose first component is always a xfs_fsop_handlereq_t,
- * so we can pass that sub structure into this handy, shared routine.
- *
- * If no error, caller must always iput the returned inode.
+ * No need to do permission checks on the various pathname components
+ * as the handle operations are privileged.
*/
STATIC int
-xfs_vget_fsop_handlereq(
- xfs_mount_t *mp,
- struct inode *parinode, /* parent inode pointer */
- xfs_fsop_handlereq_t *hreq,
- struct inode **inode)
+xfs_handle_acceptable(
+ void *context,
+ struct dentry *dentry)
+{
+ return 1;
+}
+
+/*
+ * Convert userspace handle data into a dentry.
+ */
+struct dentry *
+xfs_handle_to_dentry(
+ struct file *parfilp,
+ void __user *uhandle,
+ u32 hlen)
{
- void __user *hanp;
- size_t hlen;
- xfs_fid_t *xfid;
- xfs_handle_t *handlep;
xfs_handle_t handle;
- xfs_inode_t *ip;
- xfs_ino_t ino;
- __u32 igen;
- int error;
+ struct xfs_fid64 fid;
/*
* Only allow handle opens under a directory.
*/
- if (!S_ISDIR(parinode->i_mode))
- return XFS_ERROR(ENOTDIR);
-
- hanp = hreq->ihandle;
- hlen = hreq->ihandlen;
- handlep = &handle;
-
- if (hlen < sizeof(handlep->ha_fsid) || hlen > sizeof(*handlep))
- return XFS_ERROR(EINVAL);
- if (copy_from_user(handlep, hanp, hlen))
- return XFS_ERROR(EFAULT);
- if (hlen < sizeof(*handlep))
- memset(((char *)handlep) + hlen, 0, sizeof(*handlep) - hlen);
- if (hlen > sizeof(handlep->ha_fsid)) {
- if (handlep->ha_fid.fid_len !=
- (hlen - sizeof(handlep->ha_fsid) -
- sizeof(handlep->ha_fid.fid_len)) ||
- handlep->ha_fid.fid_pad)
- return XFS_ERROR(EINVAL);
- }
-
- /*
- * Crack the handle, obtain the inode # & generation #
- */
- xfid = (struct xfs_fid *)&handlep->ha_fid;
- if (xfid->fid_len == sizeof(*xfid) - sizeof(xfid->fid_len)) {
- ino = xfid->fid_ino;
- igen = xfid->fid_gen;
- } else {
- return XFS_ERROR(EINVAL);
- }
-
- /*
- * Get the XFS inode, building a Linux inode to go with it.
- */
- error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
- if (error)
- return error;
- if (ip == NULL)
- return XFS_ERROR(EIO);
- if (ip->i_d.di_gen != igen) {
- xfs_iput_new(ip, XFS_ILOCK_SHARED);
- return XFS_ERROR(ENOENT);
- }
-
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ if (!S_ISDIR(parfilp->f_path.dentry->d_inode->i_mode))
+ return ERR_PTR(-ENOTDIR);
+
+ if (hlen != sizeof(xfs_handle_t))
+ return ERR_PTR(-EINVAL);
+ if (copy_from_user(&handle, uhandle, hlen))
+ return ERR_PTR(-EFAULT);
+ if (handle.ha_fid.fid_len !=
+ sizeof(handle.ha_fid) - sizeof(handle.ha_fid.fid_len))
+ return ERR_PTR(-EINVAL);
+
+ memset(&fid, 0, sizeof(struct fid));
+ fid.ino = handle.ha_fid.fid_ino;
+ fid.gen = handle.ha_fid.fid_gen;
+
+ return exportfs_decode_fh(parfilp->f_path.mnt, (struct fid *)&fid, 3,
+ FILEID_INO32_GEN | XFS_FILEID_TYPE_64FLAG,
+ xfs_handle_acceptable, NULL);
+}
- *inode = VFS_I(ip);
- return 0;
+STATIC struct dentry *
+xfs_handlereq_to_dentry(
+ struct file *parfilp,
+ xfs_fsop_handlereq_t *hreq)
+{
+ return xfs_handle_to_dentry(parfilp, hreq->ihandle, hreq->ihandlen);
}
int
xfs_open_by_handle(
- xfs_mount_t *mp,
- xfs_fsop_handlereq_t *hreq,
struct file *parfilp,
- struct inode *parinode)
+ xfs_fsop_handlereq_t *hreq)
{
const struct cred *cred = current_cred();
int error;
- int new_fd;
+ int fd;
int permflag;
struct file *filp;
struct inode *inode;
if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM);
- error = xfs_vget_fsop_handlereq(mp, parinode, hreq, &inode);
- if (error)
- return -error;
+ dentry = xfs_handlereq_to_dentry(parfilp, hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
+ inode = dentry->d_inode;
/* Restrict xfs_open_by_handle to directories & regular files. */
if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode))) {
- iput(inode);
- return -XFS_ERROR(EINVAL);
+ error = -XFS_ERROR(EPERM);
+ goto out_dput;
}
#if BITS_PER_LONG != 32
hreq->oflags |= O_LARGEFILE;
#endif
+
/* Put open permission in namei format. */
permflag = hreq->oflags;
if ((permflag+1) & O_ACCMODE)
if ((!(permflag & O_APPEND) || (permflag & O_TRUNC)) &&
(permflag & FMODE_WRITE) && IS_APPEND(inode)) {
- iput(inode);
- return -XFS_ERROR(EPERM);
+ error = -XFS_ERROR(EPERM);
+ goto out_dput;
}
if ((permflag & FMODE_WRITE) && IS_IMMUTABLE(inode)) {
- iput(inode);
- return -XFS_ERROR(EACCES);
+ error = -XFS_ERROR(EACCES);
+ goto out_dput;
}
/* Can't write directories. */
- if ( S_ISDIR(inode->i_mode) && (permflag & FMODE_WRITE)) {
- iput(inode);
- return -XFS_ERROR(EISDIR);
+ if (S_ISDIR(inode->i_mode) && (permflag & FMODE_WRITE)) {
+ error = -XFS_ERROR(EISDIR);
+ goto out_dput;
}
- if ((new_fd = get_unused_fd()) < 0) {
- iput(inode);
- return new_fd;
+ fd = get_unused_fd();
+ if (fd < 0) {
+ error = fd;
+ goto out_dput;
}
- dentry = d_obtain_alias(inode);
- if (IS_ERR(dentry)) {
- put_unused_fd(new_fd);
- return PTR_ERR(dentry);
- }
-
- /* Ensure umount returns EBUSY on umounts while this file is open. */
- mntget(parfilp->f_path.mnt);
-
- /* Create file pointer. */
- filp = dentry_open(dentry, parfilp->f_path.mnt, hreq->oflags, cred);
+ filp = dentry_open(dentry, mntget(parfilp->f_path.mnt),
+ hreq->oflags, cred);
if (IS_ERR(filp)) {
- put_unused_fd(new_fd);
- return -XFS_ERROR(-PTR_ERR(filp));
+ put_unused_fd(fd);
+ return PTR_ERR(filp);
}
if (inode->i_mode & S_IFREG) {
- /* invisible operation should not change atime */
filp->f_flags |= O_NOATIME;
filp->f_mode |= FMODE_NOCMTIME;
}
- fd_install(new_fd, filp);
- return new_fd;
+ fd_install(fd, filp);
+ return fd;
+
+ out_dput:
+ dput(dentry);
+ return error;
}
/*
int
xfs_readlink_by_handle(
- xfs_mount_t *mp,
- xfs_fsop_handlereq_t *hreq,
- struct inode *parinode)
+ struct file *parfilp,
+ xfs_fsop_handlereq_t *hreq)
{
- struct inode *inode;
+ struct dentry *dentry;
__u32 olen;
void *link;
int error;
if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM);
- error = xfs_vget_fsop_handlereq(mp, parinode, hreq, &inode);
- if (error)
- return -error;
+ dentry = xfs_handlereq_to_dentry(parfilp, hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
/* Restrict this handle operation to symlinks only. */
- if (!S_ISLNK(inode->i_mode)) {
+ if (!S_ISLNK(dentry->d_inode->i_mode)) {
error = -XFS_ERROR(EINVAL);
- goto out_iput;
+ goto out_dput;
}
if (copy_from_user(&olen, hreq->ohandlen, sizeof(__u32))) {
error = -XFS_ERROR(EFAULT);
- goto out_iput;
+ goto out_dput;
}
link = kmalloc(MAXPATHLEN+1, GFP_KERNEL);
- if (!link)
- goto out_iput;
+ if (!link) {
+ error = -XFS_ERROR(ENOMEM);
+ goto out_dput;
+ }
- error = -xfs_readlink(XFS_I(inode), link);
+ error = -xfs_readlink(XFS_I(dentry->d_inode), link);
if (error)
goto out_kfree;
error = do_readlink(hreq->ohandle, olen, link);
out_kfree:
kfree(link);
- out_iput:
- iput(inode);
+ out_dput:
+ dput(dentry);
return error;
}
STATIC int
xfs_fssetdm_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
- struct inode *parinode)
+ struct file *parfilp,
+ void __user *arg)
{
int error;
struct fsdmidata fsd;
xfs_fsop_setdm_handlereq_t dmhreq;
- struct inode *inode;
+ struct dentry *dentry;
if (!capable(CAP_MKNOD))
return -XFS_ERROR(EPERM);
if (copy_from_user(&dmhreq, arg, sizeof(xfs_fsop_setdm_handlereq_t)))
return -XFS_ERROR(EFAULT);
- error = xfs_vget_fsop_handlereq(mp, parinode, &dmhreq.hreq, &inode);
- if (error)
- return -error;
+ dentry = xfs_handlereq_to_dentry(parfilp, &dmhreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
- if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) {
+ if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) {
error = -XFS_ERROR(EPERM);
goto out;
}
goto out;
}
- error = -xfs_set_dmattrs(XFS_I(inode), fsd.fsd_dmevmask,
+ error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask,
fsd.fsd_dmstate);
out:
- iput(inode);
+ dput(dentry);
return error;
}
STATIC int
xfs_attrlist_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
- struct inode *parinode)
+ struct file *parfilp,
+ void __user *arg)
{
- int error;
+ int error = -ENOMEM;
attrlist_cursor_kern_t *cursor;
xfs_fsop_attrlist_handlereq_t al_hreq;
- struct inode *inode;
+ struct dentry *dentry;
char *kbuf;
if (!capable(CAP_SYS_ADMIN))
if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
return -XFS_ERROR(EINVAL);
- error = xfs_vget_fsop_handlereq(mp, parinode, &al_hreq.hreq, &inode);
- if (error)
- goto out;
+ dentry = xfs_handlereq_to_dentry(parfilp, &al_hreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL);
if (!kbuf)
- goto out_vn_rele;
+ goto out_dput;
cursor = (attrlist_cursor_kern_t *)&al_hreq.pos;
- error = xfs_attr_list(XFS_I(inode), kbuf, al_hreq.buflen,
+ error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen,
al_hreq.flags, cursor);
if (error)
goto out_kfree;
out_kfree:
kfree(kbuf);
- out_vn_rele:
- iput(inode);
- out:
- return -error;
+ out_dput:
+ dput(dentry);
+ return error;
}
int
STATIC int
xfs_attrmulti_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
struct file *parfilp,
- struct inode *parinode)
+ void __user *arg)
{
int error;
xfs_attr_multiop_t *ops;
xfs_fsop_attrmulti_handlereq_t am_hreq;
- struct inode *inode;
+ struct dentry *dentry;
unsigned int i, size;
char *attr_name;
if (copy_from_user(&am_hreq, arg, sizeof(xfs_fsop_attrmulti_handlereq_t)))
return -XFS_ERROR(EFAULT);
- error = xfs_vget_fsop_handlereq(mp, parinode, &am_hreq.hreq, &inode);
- if (error)
- goto out;
+ dentry = xfs_handlereq_to_dentry(parfilp, &am_hreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
error = E2BIG;
size = am_hreq.opcount * sizeof(xfs_attr_multiop_t);
if (!size || size > 16 * PAGE_SIZE)
- goto out_vn_rele;
+ goto out_dput;
error = ENOMEM;
ops = kmalloc(size, GFP_KERNEL);
if (!ops)
- goto out_vn_rele;
+ goto out_dput;
error = EFAULT;
if (copy_from_user(ops, am_hreq.ops, size))
switch (ops[i].am_opcode) {
case ATTR_OP_GET:
- ops[i].am_error = xfs_attrmulti_attr_get(inode,
- attr_name, ops[i].am_attrvalue,
- &ops[i].am_length, ops[i].am_flags);
+ ops[i].am_error = xfs_attrmulti_attr_get(
+ dentry->d_inode, attr_name,
+ ops[i].am_attrvalue, &ops[i].am_length,
+ ops[i].am_flags);
break;
case ATTR_OP_SET:
ops[i].am_error = mnt_want_write(parfilp->f_path.mnt);
if (ops[i].am_error)
break;
- ops[i].am_error = xfs_attrmulti_attr_set(inode,
- attr_name, ops[i].am_attrvalue,
- ops[i].am_length, ops[i].am_flags);
+ ops[i].am_error = xfs_attrmulti_attr_set(
+ dentry->d_inode, attr_name,
+ ops[i].am_attrvalue, ops[i].am_length,
+ ops[i].am_flags);
mnt_drop_write(parfilp->f_path.mnt);
break;
case ATTR_OP_REMOVE:
ops[i].am_error = mnt_want_write(parfilp->f_path.mnt);
if (ops[i].am_error)
break;
- ops[i].am_error = xfs_attrmulti_attr_remove(inode,
- attr_name, ops[i].am_flags);
+ ops[i].am_error = xfs_attrmulti_attr_remove(
+ dentry->d_inode, attr_name,
+ ops[i].am_flags);
mnt_drop_write(parfilp->f_path.mnt);
break;
default:
kfree(attr_name);
out_kfree_ops:
kfree(ops);
- out_vn_rele:
- iput(inode);
- out:
+ out_dput:
+ dput(dentry);
return -error;
}
if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t)))
return -XFS_ERROR(EFAULT);
- return xfs_open_by_handle(mp, &hreq, filp, inode);
+ return xfs_open_by_handle(filp, &hreq);
}
case XFS_IOC_FSSETDM_BY_HANDLE:
- return xfs_fssetdm_by_handle(mp, arg, inode);
+ return xfs_fssetdm_by_handle(filp, arg);
case XFS_IOC_READLINK_BY_HANDLE: {
xfs_fsop_handlereq_t hreq;
if (copy_from_user(&hreq, arg, sizeof(xfs_fsop_handlereq_t)))
return -XFS_ERROR(EFAULT);
- return xfs_readlink_by_handle(mp, &hreq, inode);
+ return xfs_readlink_by_handle(filp, &hreq);
}
case XFS_IOC_ATTRLIST_BY_HANDLE:
- return xfs_attrlist_by_handle(mp, arg, inode);
+ return xfs_attrlist_by_handle(filp, arg);
case XFS_IOC_ATTRMULTI_BY_HANDLE:
- return xfs_attrmulti_by_handle(mp, arg, filp, inode);
+ return xfs_attrmulti_by_handle(filp, arg);
case XFS_IOC_SWAPEXT: {
struct xfs_swapext sxp;
extern int
xfs_open_by_handle(
- xfs_mount_t *mp,
- xfs_fsop_handlereq_t *hreq,
struct file *parfilp,
- struct inode *parinode);
+ xfs_fsop_handlereq_t *hreq);
extern int
xfs_readlink_by_handle(
- xfs_mount_t *mp,
- xfs_fsop_handlereq_t *hreq,
- struct inode *parinode);
+ struct file *parfilp,
+ xfs_fsop_handlereq_t *hreq);
extern int
xfs_attrmulti_attr_get(
char *name,
__uint32_t flags);
+extern struct dentry *
+xfs_handle_to_dentry(
+ struct file *parfilp,
+ void __user *uhandle,
+ u32 hlen);
+
extern long
xfs_file_ioctl(
struct file *filp,
*/
#include <linux/compat.h>
#include <linux/ioctl.h>
+#include <linux/mount.h>
#include <asm/uaccess.h>
#include "xfs.h"
#include "xfs_fs.h"
return 0;
}
-/*
- * Convert userspace handle data into inode.
- *
- * We use the fact that all the fsop_handlereq ioctl calls have a data
- * structure argument whose first component is always a xfs_fsop_handlereq_t,
- * so we can pass that sub structure into this handy, shared routine.
- *
- * If no error, caller must always iput the returned inode.
- */
-STATIC int
-xfs_vget_fsop_handlereq_compat(
- xfs_mount_t *mp,
- struct inode *parinode, /* parent inode pointer */
- compat_xfs_fsop_handlereq_t *hreq,
- struct inode **inode)
+STATIC struct dentry *
+xfs_compat_handlereq_to_dentry(
+ struct file *parfilp,
+ compat_xfs_fsop_handlereq_t *hreq)
{
- void __user *hanp;
- size_t hlen;
- xfs_fid_t *xfid;
- xfs_handle_t *handlep;
- xfs_handle_t handle;
- xfs_inode_t *ip;
- xfs_ino_t ino;
- __u32 igen;
- int error;
-
- /*
- * Only allow handle opens under a directory.
- */
- if (!S_ISDIR(parinode->i_mode))
- return XFS_ERROR(ENOTDIR);
-
- hanp = compat_ptr(hreq->ihandle);
- hlen = hreq->ihandlen;
- handlep = &handle;
-
- if (hlen < sizeof(handlep->ha_fsid) || hlen > sizeof(*handlep))
- return XFS_ERROR(EINVAL);
- if (copy_from_user(handlep, hanp, hlen))
- return XFS_ERROR(EFAULT);
- if (hlen < sizeof(*handlep))
- memset(((char *)handlep) + hlen, 0, sizeof(*handlep) - hlen);
- if (hlen > sizeof(handlep->ha_fsid)) {
- if (handlep->ha_fid.fid_len !=
- (hlen - sizeof(handlep->ha_fsid) -
- sizeof(handlep->ha_fid.fid_len)) ||
- handlep->ha_fid.fid_pad)
- return XFS_ERROR(EINVAL);
- }
-
- /*
- * Crack the handle, obtain the inode # & generation #
- */
- xfid = (struct xfs_fid *)&handlep->ha_fid;
- if (xfid->fid_len == sizeof(*xfid) - sizeof(xfid->fid_len)) {
- ino = xfid->fid_ino;
- igen = xfid->fid_gen;
- } else {
- return XFS_ERROR(EINVAL);
- }
-
- /*
- * Get the XFS inode, building a Linux inode to go with it.
- */
- error = xfs_iget(mp, NULL, ino, 0, XFS_ILOCK_SHARED, &ip, 0);
- if (error)
- return error;
- if (ip == NULL)
- return XFS_ERROR(EIO);
- if (ip->i_d.di_gen != igen) {
- xfs_iput_new(ip, XFS_ILOCK_SHARED);
- return XFS_ERROR(ENOENT);
- }
-
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
- *inode = VFS_I(ip);
- return 0;
+ return xfs_handle_to_dentry(parfilp,
+ compat_ptr(hreq->ihandle), hreq->ihandlen);
}
STATIC int
xfs_compat_attrlist_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
- struct inode *parinode)
+ struct file *parfilp,
+ void __user *arg)
{
int error;
attrlist_cursor_kern_t *cursor;
compat_xfs_fsop_attrlist_handlereq_t al_hreq;
- struct inode *inode;
+ struct dentry *dentry;
char *kbuf;
if (!capable(CAP_SYS_ADMIN))
if (al_hreq.flags & ~(ATTR_ROOT | ATTR_SECURE))
return -XFS_ERROR(EINVAL);
- error = xfs_vget_fsop_handlereq_compat(mp, parinode, &al_hreq.hreq,
- &inode);
- if (error)
- goto out;
+ dentry = xfs_compat_handlereq_to_dentry(parfilp, &al_hreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
+ error = -ENOMEM;
kbuf = kmalloc(al_hreq.buflen, GFP_KERNEL);
if (!kbuf)
- goto out_vn_rele;
+ goto out_dput;
cursor = (attrlist_cursor_kern_t *)&al_hreq.pos;
- error = xfs_attr_list(XFS_I(inode), kbuf, al_hreq.buflen,
+ error = -xfs_attr_list(XFS_I(dentry->d_inode), kbuf, al_hreq.buflen,
al_hreq.flags, cursor);
if (error)
goto out_kfree;
out_kfree:
kfree(kbuf);
- out_vn_rele:
- iput(inode);
- out:
- return -error;
+ out_dput:
+ dput(dentry);
+ return error;
}
STATIC int
xfs_compat_attrmulti_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
- struct inode *parinode)
+ struct file *parfilp,
+ void __user *arg)
{
int error;
compat_xfs_attr_multiop_t *ops;
compat_xfs_fsop_attrmulti_handlereq_t am_hreq;
- struct inode *inode;
+ struct dentry *dentry;
unsigned int i, size;
char *attr_name;
sizeof(compat_xfs_fsop_attrmulti_handlereq_t)))
return -XFS_ERROR(EFAULT);
- error = xfs_vget_fsop_handlereq_compat(mp, parinode, &am_hreq.hreq,
- &inode);
- if (error)
- goto out;
+ dentry = xfs_compat_handlereq_to_dentry(parfilp, &am_hreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
error = E2BIG;
size = am_hreq.opcount * sizeof(compat_xfs_attr_multiop_t);
if (!size || size > 16 * PAGE_SIZE)
- goto out_vn_rele;
+ goto out_dput;
error = ENOMEM;
ops = kmalloc(size, GFP_KERNEL);
if (!ops)
- goto out_vn_rele;
+ goto out_dput;
error = EFAULT;
if (copy_from_user(ops, compat_ptr(am_hreq.ops), size))
switch (ops[i].am_opcode) {
case ATTR_OP_GET:
- ops[i].am_error = xfs_attrmulti_attr_get(inode,
- attr_name,
+ ops[i].am_error = xfs_attrmulti_attr_get(
+ dentry->d_inode, attr_name,
compat_ptr(ops[i].am_attrvalue),
&ops[i].am_length, ops[i].am_flags);
break;
case ATTR_OP_SET:
- ops[i].am_error = xfs_attrmulti_attr_set(inode,
- attr_name,
+ ops[i].am_error = mnt_want_write(parfilp->f_path.mnt);
+ if (ops[i].am_error)
+ break;
+ ops[i].am_error = xfs_attrmulti_attr_set(
+ dentry->d_inode, attr_name,
compat_ptr(ops[i].am_attrvalue),
ops[i].am_length, ops[i].am_flags);
+ mnt_drop_write(parfilp->f_path.mnt);
break;
case ATTR_OP_REMOVE:
- ops[i].am_error = xfs_attrmulti_attr_remove(inode,
- attr_name, ops[i].am_flags);
+ ops[i].am_error = mnt_want_write(parfilp->f_path.mnt);
+ if (ops[i].am_error)
+ break;
+ ops[i].am_error = xfs_attrmulti_attr_remove(
+ dentry->d_inode, attr_name,
+ ops[i].am_flags);
+ mnt_drop_write(parfilp->f_path.mnt);
break;
default:
ops[i].am_error = EINVAL;
kfree(attr_name);
out_kfree_ops:
kfree(ops);
- out_vn_rele:
- iput(inode);
- out:
+ out_dput:
+ dput(dentry);
return -error;
}
STATIC int
xfs_compat_fssetdm_by_handle(
- xfs_mount_t *mp,
- void __user *arg,
- struct inode *parinode)
+ struct file *parfilp,
+ void __user *arg)
{
int error;
struct fsdmidata fsd;
compat_xfs_fsop_setdm_handlereq_t dmhreq;
- struct inode *inode;
+ struct dentry *dentry;
if (!capable(CAP_MKNOD))
return -XFS_ERROR(EPERM);
sizeof(compat_xfs_fsop_setdm_handlereq_t)))
return -XFS_ERROR(EFAULT);
- error = xfs_vget_fsop_handlereq_compat(mp, parinode, &dmhreq.hreq,
- &inode);
- if (error)
- return -error;
+ dentry = xfs_compat_handlereq_to_dentry(parfilp, &dmhreq.hreq);
+ if (IS_ERR(dentry))
+ return PTR_ERR(dentry);
- if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) {
+ if (IS_IMMUTABLE(dentry->d_inode) || IS_APPEND(dentry->d_inode)) {
error = -XFS_ERROR(EPERM);
goto out;
}
goto out;
}
- error = -xfs_set_dmattrs(XFS_I(inode), fsd.fsd_dmevmask,
+ error = -xfs_set_dmattrs(XFS_I(dentry->d_inode), fsd.fsd_dmevmask,
fsd.fsd_dmstate);
out:
- iput(inode);
+ dput(dentry);
return error;
}
if (xfs_compat_handlereq_copyin(&hreq, arg))
return -XFS_ERROR(EFAULT);
- return xfs_open_by_handle(mp, &hreq, filp, inode);
+ return xfs_open_by_handle(filp, &hreq);
}
case XFS_IOC_READLINK_BY_HANDLE_32: {
struct xfs_fsop_handlereq hreq;
if (xfs_compat_handlereq_copyin(&hreq, arg))
return -XFS_ERROR(EFAULT);
- return xfs_readlink_by_handle(mp, &hreq, inode);
+ return xfs_readlink_by_handle(filp, &hreq);
}
case XFS_IOC_ATTRLIST_BY_HANDLE_32:
- return xfs_compat_attrlist_by_handle(mp, arg, inode);
+ return xfs_compat_attrlist_by_handle(filp, arg);
case XFS_IOC_ATTRMULTI_BY_HANDLE_32:
- return xfs_compat_attrmulti_by_handle(mp, arg, inode);
+ return xfs_compat_attrmulti_by_handle(filp, arg);
case XFS_IOC_FSSETDM_BY_HANDLE_32:
- return xfs_compat_fssetdm_by_handle(mp, arg, inode);
+ return xfs_compat_fssetdm_by_handle(filp, arg);
default:
return -XFS_ERROR(ENOIOCTLCMD);
}
struct xfs_mount *mp = XFS_M(sb);
substring_t args[MAX_OPT_ARGS];
char *p;
+ int error;
while ((p = strsep(&options, ",")) != NULL) {
int token;
}
}
- /* rw/ro -> rw */
+ /* ro -> rw */
if ((mp->m_flags & XFS_MOUNT_RDONLY) && !(*flags & MS_RDONLY)) {
mp->m_flags &= ~XFS_MOUNT_RDONLY;
if (mp->m_flags & XFS_MOUNT_BARRIER)
xfs_mountfs_check_barriers(mp);
+
+ /*
+ * If this is the first remount to writeable state we
+ * might have some superblock changes to update.
+ */
+ if (mp->m_update_flags) {
+ error = xfs_mount_log_sb(mp, mp->m_update_flags);
+ if (error) {
+ cmn_err(CE_WARN,
+ "XFS: failed to write sb changes");
+ return error;
+ }
+ mp->m_update_flags = 0;
+ }
}
/* rw -> ro */
int xfs_dqerror_mod = 33;
#endif
+static struct lock_class_key xfs_dquot_other_class;
+
/*
* Allocate and initialize a dquot. We don't always allocate fresh memory;
* we try to reclaim a free dquot if the number of incore dquots are above
ASSERT(dqp->q_trace);
xfs_dqtrace_entry(dqp, "DQRECLAIMED_INIT");
#endif
- }
+ }
+
+ /*
+ * In either case we need to make sure group quotas have a different
+ * lock class than user quotas, to make sure lockdep knows we can
+ * locks of one of each at the same time.
+ */
+ if (!(type & XFS_DQ_USER))
+ lockdep_set_class(&dqp->q_qlock, &xfs_dquot_other_class);
/*
* log item gets initialized later
/*
* Initialize the bmap freelist prior to calling bmapi code.
*/
- XFS_BMAP_INIT(&flist, &firstblock);
+ xfs_bmap_init(&flist, &firstblock);
xfs_ilock(quotip, XFS_ILOCK_EXCL);
/*
* Return if this type of quotas is turned off while we didn't
mutex_unlock(&(dqp->q_qlock));
}
+/*
+ * Lock two xfs_dquot structures.
+ *
+ * To avoid deadlocks we always lock the quota structure with
+ * the lowerd id first.
+ */
void
xfs_dqlock2(
xfs_dquot_t *d1,
ASSERT(d1 != d2);
if (be32_to_cpu(d1->q_core.d_id) >
be32_to_cpu(d2->q_core.d_id)) {
- xfs_dqlock(d2);
- xfs_dqlock(d1);
+ mutex_lock(&d2->q_qlock);
+ mutex_lock_nested(&d1->q_qlock, XFS_QLOCK_NESTED);
} else {
- xfs_dqlock(d1);
- xfs_dqlock(d2);
- }
- } else {
- if (d1) {
- xfs_dqlock(d1);
- } else if (d2) {
- xfs_dqlock(d2);
+ mutex_lock(&d1->q_qlock);
+ mutex_lock_nested(&d2->q_qlock, XFS_QLOCK_NESTED);
}
+ } else if (d1) {
+ mutex_lock(&d1->q_qlock);
+ } else if (d2) {
+ mutex_lock(&d2->q_qlock);
}
}
#define dq_hashlist q_lists.dqm_hashlist
#define dq_flags q_lists.dqm_flags
+/*
+ * Lock hierachy for q_qlock:
+ * XFS_QLOCK_NORMAL is the implicit default,
+ * XFS_QLOCK_NESTED is the dquot with the higher id in xfs_dqlock2
+ */
+enum {
+ XFS_QLOCK_NORMAL = 0,
+ XFS_QLOCK_NESTED,
+};
+
#define XFS_DQHOLD(dqp) ((dqp)->q_nrefs++)
#ifdef DEBUG
return 0;
}
+/*
+ * The hash chains and the mplist use the same xfs_dqhash structure as
+ * their list head, but we can take the mplist qh_lock and one of the
+ * hash qh_locks at the same time without any problem as they aren't
+ * related.
+ */
+static struct lock_class_key xfs_quota_mplist_class;
/*
* This initializes all the quota information that's kept in the
}
xfs_qm_list_init(&qinf->qi_dqlist, "mpdqlist", 0);
+ lockdep_set_class(&qinf->qi_dqlist.qh_lock, &xfs_quota_mplist_class);
+
qinf->qi_dqreclaims = 0;
/* mutex used to serialize quotaoffs */
#define XFS_AG_CHECK_DADDR(mp,d,len) \
((len) == 1 ? \
ASSERT((d) == XFS_SB_DADDR || \
- XFS_DADDR_TO_AGBNO(mp, d) != XFS_SB_DADDR) : \
- ASSERT(XFS_DADDR_TO_AGNO(mp, d) == \
- XFS_DADDR_TO_AGNO(mp, (d) + (len) - 1)))
+ xfs_daddr_to_agbno(mp, d) != XFS_SB_DADDR) : \
+ ASSERT(xfs_daddr_to_agno(mp, d) == \
+ xfs_daddr_to_agno(mp, (d) + (len) - 1)))
#endif /* __XFS_AG_H__ */
xfs_agblock_t bno;
int error;
- bno = XFS_DADDR_TO_AGBNO(cur->bc_mp, XFS_BUF_ADDR(bp));
+ bno = xfs_daddr_to_agbno(cur->bc_mp, XFS_BUF_ADDR(bp));
error = xfs_alloc_put_freelist(cur->bc_tp, agbp, NULL, bno, 1);
if (error)
return error;
* It won't fit in the shortform, transform to a leaf block.
* GROT: another possible req'mt for a double-split btree op.
*/
- XFS_BMAP_INIT(args.flist, args.firstblock);
+ xfs_bmap_init(args.flist, args.firstblock);
error = xfs_attr_shortform_to_leaf(&args);
if (!error) {
error = xfs_bmap_finish(&args.trans, args.flist,
* Commit that transaction so that the node_addname() call
* can manage its own transactions.
*/
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_attr_leaf_to_node(args);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
* If the result is small enough, shrink it all into the inode.
*/
if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
* If the result is small enough, shrink it all into the inode.
*/
if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
* have been a b-tree.
*/
xfs_da_state_free(state);
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_attr_leaf_to_node(args);
if (!error) {
error = xfs_bmap_finish(&args->trans,
* in the index/blkno/rmtblkno/rmtblkcnt fields and
* in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields.
*/
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_da_split(state);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
* Check to see if the tree needs to be collapsed.
*/
if (retval && (state->path.active > 1)) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_da_join(state);
if (!error) {
error = xfs_bmap_finish(&args->trans,
* Check to see if the tree needs to be collapsed.
*/
if (retval && (state->path.active > 1)) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_da_join(state);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
== XFS_ATTR_LEAF_MAGIC);
if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
/*
* Allocate a single extent, up to the size of the value.
*/
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
nmap = 1;
error = xfs_bmapi(args->trans, dp, (xfs_fileoff_t)lblkno,
blkcnt,
/*
* Try to remember where we decided to put the value.
*/
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
nmap = 1;
error = xfs_bmapi(NULL, dp, (xfs_fileoff_t)lblkno,
args->rmtblkcnt,
/*
* Try to remember where we decided to put the value.
*/
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
nmap = 1;
error = xfs_bmapi(NULL, args->dp, (xfs_fileoff_t)lblkno,
args->rmtblkcnt,
blkcnt = args->rmtblkcnt;
done = 0;
while (!done) {
- XFS_BMAP_INIT(args->flist, args->firstblock);
+ xfs_bmap_init(args->flist, args->firstblock);
error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
1, args->firstblock, args->flist,
xfs_iext_insert(ifp, 0, 1, new);
ASSERT(cur == NULL);
ifp->if_lastex = 0;
- if (!ISNULLSTARTBLOCK(new->br_startblock)) {
+ if (!isnullstartblock(new->br_startblock)) {
XFS_IFORK_NEXT_SET(ip, whichfork, 1);
- logflags = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork);
+ logflags = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else
logflags = 0;
/* DELTA: single new extent */
/*
* Any kind of new delayed allocation goes here.
*/
- else if (ISNULLSTARTBLOCK(new->br_startblock)) {
+ else if (isnullstartblock(new->br_startblock)) {
if (cur)
ASSERT((cur->bc_private.b.flags &
XFS_BTCUR_BPRV_WASDEL) == 0);
* in a delayed or unwritten allocation with a real one, or
* converting real back to unwritten.
*/
- if (!ISNULLSTARTBLOCK(new->br_startblock) &&
+ if (!isnullstartblock(new->br_startblock) &&
new->br_startoff + new->br_blockcount > prev.br_startoff) {
if (prev.br_state != XFS_EXT_UNWRITTEN &&
- ISNULLSTARTBLOCK(prev.br_startblock)) {
- da_old = STARTBLOCKVAL(prev.br_startblock);
+ isnullstartblock(prev.br_startblock)) {
+ da_old = startblockval(prev.br_startblock);
if (cur)
ASSERT(cur->bc_private.b.flags &
XFS_BTCUR_BPRV_WASDEL);
*/
if (STATE_SET_TEST(LEFT_VALID, idx > 0)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &LEFT);
- STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock));
+ STATE_SET(LEFT_DELAY, isnullstartblock(LEFT.br_startblock));
}
STATE_SET(LEFT_CONTIG,
STATE_TEST(LEFT_VALID) && !STATE_TEST(LEFT_DELAY) &&
idx <
ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx + 1), &RIGHT);
- STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock));
+ STATE_SET(RIGHT_DELAY, isnullstartblock(RIGHT.br_startblock));
}
STATE_SET(RIGHT_CONTIG,
STATE_TEST(RIGHT_VALID) && !STATE_TEST(RIGHT_DELAY) &&
goto done;
}
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
- STARTBLOCKVAL(PREV.br_startblock));
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ startblockval(PREV.br_startblock));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("LF|LC", ip, idx, XFS_DATA_FORK);
*dnew = temp;
/* DELTA: The boundary between two in-core extents moved. */
goto done;
}
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
- STARTBLOCKVAL(PREV.br_startblock) -
+ startblockval(PREV.br_startblock) -
(cur ? cur->bc_private.b.allocated : 0));
ep = xfs_iext_get_ext(ifp, idx + 1);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("LF", ip, idx + 1, XFS_DATA_FORK);
*dnew = temp;
/* DELTA: One in-core extent is split in two. */
goto done;
}
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
- STARTBLOCKVAL(PREV.br_startblock));
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ startblockval(PREV.br_startblock));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("RF|RC", ip, idx, XFS_DATA_FORK);
*dnew = temp;
/* DELTA: The boundary between two in-core extents moved. */
goto done;
}
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
- STARTBLOCKVAL(PREV.br_startblock) -
+ startblockval(PREV.br_startblock) -
(cur ? cur->bc_private.b.allocated : 0));
ep = xfs_iext_get_ext(ifp, idx);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("RF", ip, idx, XFS_DATA_FORK);
*dnew = temp;
/* DELTA: One in-core extent is split in two. */
}
temp = xfs_bmap_worst_indlen(ip, temp);
temp2 = xfs_bmap_worst_indlen(ip, temp2);
- diff = (int)(temp + temp2 - STARTBLOCKVAL(PREV.br_startblock) -
+ diff = (int)(temp + temp2 - startblockval(PREV.br_startblock) -
(cur ? cur->bc_private.b.allocated : 0));
if (diff > 0 &&
xfs_mod_incore_sb(ip->i_mount, XFS_SBS_FDBLOCKS, -((int64_t)diff), rsvd)) {
}
}
ep = xfs_iext_get_ext(ifp, idx);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx, XFS_DATA_FORK);
XFS_BMAP_TRACE_PRE_UPDATE("0", ip, idx + 2, XFS_DATA_FORK);
xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx + 2),
- NULLSTARTBLOCK((int)temp2));
+ nullstartblock((int)temp2));
XFS_BMAP_TRACE_POST_UPDATE("0", ip, idx + 2, XFS_DATA_FORK);
*dnew = temp + temp2;
/* DELTA: One in-core extent is split in three. */
*/
if (STATE_SET_TEST(LEFT_VALID, idx > 0)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &LEFT);
- STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(LEFT.br_startblock));
+ STATE_SET(LEFT_DELAY, isnullstartblock(LEFT.br_startblock));
}
STATE_SET(LEFT_CONTIG,
STATE_TEST(LEFT_VALID) && !STATE_TEST(LEFT_DELAY) &&
idx <
ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t) - 1)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx + 1), &RIGHT);
- STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(RIGHT.br_startblock));
+ STATE_SET(RIGHT_DELAY, isnullstartblock(RIGHT.br_startblock));
}
STATE_SET(RIGHT_CONTIG,
STATE_TEST(RIGHT_VALID) && !STATE_TEST(RIGHT_DELAY) &&
ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
ep = xfs_iext_get_ext(ifp, idx);
state = 0;
- ASSERT(ISNULLSTARTBLOCK(new->br_startblock));
+ ASSERT(isnullstartblock(new->br_startblock));
/*
* Check and set flags if this segment has a left neighbor
*/
if (STATE_SET_TEST(LEFT_VALID, idx > 0)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &left);
- STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock));
+ STATE_SET(LEFT_DELAY, isnullstartblock(left.br_startblock));
}
/*
* Check and set flags if the current (right) segment exists.
idx <
ip->i_df.if_bytes / (uint)sizeof(xfs_bmbt_rec_t))) {
xfs_bmbt_get_all(ep, &right);
- STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(right.br_startblock));
+ STATE_SET(RIGHT_DELAY, isnullstartblock(right.br_startblock));
}
/*
* Set contiguity flags on the left and right neighbors.
XFS_BMAP_TRACE_PRE_UPDATE("LC|RC", ip, idx - 1,
XFS_DATA_FORK);
xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp);
- oldlen = STARTBLOCKVAL(left.br_startblock) +
- STARTBLOCKVAL(new->br_startblock) +
- STARTBLOCKVAL(right.br_startblock);
+ oldlen = startblockval(left.br_startblock) +
+ startblockval(new->br_startblock) +
+ startblockval(right.br_startblock);
newlen = xfs_bmap_worst_indlen(ip, temp);
xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1),
- NULLSTARTBLOCK((int)newlen));
+ nullstartblock((int)newlen));
XFS_BMAP_TRACE_POST_UPDATE("LC|RC", ip, idx - 1,
XFS_DATA_FORK);
XFS_BMAP_TRACE_DELETE("LC|RC", ip, idx, 1, XFS_DATA_FORK);
XFS_BMAP_TRACE_PRE_UPDATE("LC", ip, idx - 1,
XFS_DATA_FORK);
xfs_bmbt_set_blockcount(xfs_iext_get_ext(ifp, idx - 1), temp);
- oldlen = STARTBLOCKVAL(left.br_startblock) +
- STARTBLOCKVAL(new->br_startblock);
+ oldlen = startblockval(left.br_startblock) +
+ startblockval(new->br_startblock);
newlen = xfs_bmap_worst_indlen(ip, temp);
xfs_bmbt_set_startblock(xfs_iext_get_ext(ifp, idx - 1),
- NULLSTARTBLOCK((int)newlen));
+ nullstartblock((int)newlen));
XFS_BMAP_TRACE_POST_UPDATE("LC", ip, idx - 1,
XFS_DATA_FORK);
ip->i_df.if_lastex = idx - 1;
*/
XFS_BMAP_TRACE_PRE_UPDATE("RC", ip, idx, XFS_DATA_FORK);
temp = new->br_blockcount + right.br_blockcount;
- oldlen = STARTBLOCKVAL(new->br_startblock) +
- STARTBLOCKVAL(right.br_startblock);
+ oldlen = startblockval(new->br_startblock) +
+ startblockval(right.br_startblock);
newlen = xfs_bmap_worst_indlen(ip, temp);
xfs_bmbt_set_allf(ep, new->br_startoff,
- NULLSTARTBLOCK((int)newlen), temp, right.br_state);
+ nullstartblock((int)newlen), temp, right.br_state);
XFS_BMAP_TRACE_POST_UPDATE("RC", ip, idx, XFS_DATA_FORK);
ip->i_df.if_lastex = idx;
/* DELTA: One in-core extent grew into a hole. */
*/
if (STATE_SET_TEST(LEFT_VALID, idx > 0)) {
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx - 1), &left);
- STATE_SET(LEFT_DELAY, ISNULLSTARTBLOCK(left.br_startblock));
+ STATE_SET(LEFT_DELAY, isnullstartblock(left.br_startblock));
}
/*
* Check and set flags if this segment has a current value.
idx <
ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t))) {
xfs_bmbt_get_all(ep, &right);
- STATE_SET(RIGHT_DELAY, ISNULLSTARTBLOCK(right.br_startblock));
+ STATE_SET(RIGHT_DELAY, isnullstartblock(right.br_startblock));
}
/*
* We're inserting a real allocation between "left" and "right".
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
if (cur == NULL) {
- rval = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork);
+ rval = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else {
rval = XFS_ILOG_CORE;
if ((error = xfs_bmbt_lookup_eq(cur,
XFS_BMAP_TRACE_POST_UPDATE("LC", ip, idx - 1, whichfork);
ifp->if_lastex = idx - 1;
if (cur == NULL) {
- rval = XFS_ILOG_FEXT(whichfork);
+ rval = xfs_ilog_fext(whichfork);
} else {
rval = 0;
if ((error = xfs_bmbt_lookup_eq(cur,
XFS_BMAP_TRACE_POST_UPDATE("RC", ip, idx, whichfork);
ifp->if_lastex = idx;
if (cur == NULL) {
- rval = XFS_ILOG_FEXT(whichfork);
+ rval = xfs_ilog_fext(whichfork);
} else {
rval = 0;
if ((error = xfs_bmbt_lookup_eq(cur,
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
if (cur == NULL) {
- rval = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork);
+ rval = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else {
rval = XFS_ILOG_CORE;
if ((error = xfs_bmbt_lookup_eq(cur,
* try to use it's last block as our starting point.
*/
if (ap->eof && ap->prevp->br_startoff != NULLFILEOFF &&
- !ISNULLSTARTBLOCK(ap->prevp->br_startblock) &&
+ !isnullstartblock(ap->prevp->br_startblock) &&
ISVALID(ap->prevp->br_startblock + ap->prevp->br_blockcount,
ap->prevp->br_startblock)) {
ap->rval = ap->prevp->br_startblock + ap->prevp->br_blockcount;
* start block based on it.
*/
if (ap->prevp->br_startoff != NULLFILEOFF &&
- !ISNULLSTARTBLOCK(ap->prevp->br_startblock) &&
+ !isnullstartblock(ap->prevp->br_startblock) &&
(prevbno = ap->prevp->br_startblock +
ap->prevp->br_blockcount) &&
ISVALID(prevbno, ap->prevp->br_startblock)) {
* If there's a following (right) block, select a requested
* start block based on it.
*/
- if (!ISNULLSTARTBLOCK(ap->gotp->br_startblock)) {
+ if (!isnullstartblock(ap->gotp->br_startblock)) {
/*
* Calculate gap to start of next block.
*/
ASSERT(ifp->if_broot == NULL);
ASSERT((ifp->if_flags & XFS_IFBROOT) == 0);
XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
- *logflagsp = XFS_ILOG_CORE | XFS_ILOG_FEXT(whichfork);
+ *logflagsp = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
return 0;
}
del_endoff = del->br_startoff + del->br_blockcount;
got_endoff = got.br_startoff + got.br_blockcount;
ASSERT(got_endoff >= del_endoff);
- delay = ISNULLSTARTBLOCK(got.br_startblock);
- ASSERT(ISNULLSTARTBLOCK(del->br_startblock) == delay);
+ delay = isnullstartblock(got.br_startblock);
+ ASSERT(isnullstartblock(del->br_startblock) == delay);
flags = 0;
qfield = 0;
error = 0;
}
da_old = da_new = 0;
} else {
- da_old = STARTBLOCKVAL(got.br_startblock);
+ da_old = startblockval(got.br_startblock);
da_new = 0;
nblks = 0;
do_fx = 0;
XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
flags |= XFS_ILOG_CORE;
if (!cur) {
- flags |= XFS_ILOG_FEXT(whichfork);
+ flags |= xfs_ilog_fext(whichfork);
break;
}
if ((error = xfs_btree_delete(cur, &i)))
if (delay) {
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
da_old);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("2", ip, idx,
whichfork);
da_new = temp;
xfs_bmbt_set_startblock(ep, del_endblock);
XFS_BMAP_TRACE_POST_UPDATE("2", ip, idx, whichfork);
if (!cur) {
- flags |= XFS_ILOG_FEXT(whichfork);
+ flags |= xfs_ilog_fext(whichfork);
break;
}
if ((error = xfs_bmbt_update(cur, del_endoff, del_endblock,
if (delay) {
temp = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),
da_old);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
XFS_BMAP_TRACE_POST_UPDATE("1", ip, idx,
whichfork);
da_new = temp;
}
XFS_BMAP_TRACE_POST_UPDATE("1", ip, idx, whichfork);
if (!cur) {
- flags |= XFS_ILOG_FEXT(whichfork);
+ flags |= xfs_ilog_fext(whichfork);
break;
}
if ((error = xfs_bmbt_update(cur, got.br_startoff,
}
XFS_WANT_CORRUPTED_GOTO(i == 1, done);
} else
- flags |= XFS_ILOG_FEXT(whichfork);
+ flags |= xfs_ilog_fext(whichfork);
XFS_IFORK_NEXT_SET(ip, whichfork,
XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
} else {
ASSERT(whichfork == XFS_DATA_FORK);
temp = xfs_bmap_worst_indlen(ip, temp);
- xfs_bmbt_set_startblock(ep, NULLSTARTBLOCK((int)temp));
+ xfs_bmbt_set_startblock(ep, nullstartblock((int)temp));
temp2 = xfs_bmap_worst_indlen(ip, temp2);
- new.br_startblock = NULLSTARTBLOCK((int)temp2);
+ new.br_startblock = nullstartblock((int)temp2);
da_new = temp + temp2;
while (da_new > da_old) {
if (temp) {
temp--;
da_new--;
xfs_bmbt_set_startblock(ep,
- NULLSTARTBLOCK((int)temp));
+ nullstartblock((int)temp));
}
if (da_new == da_old)
break;
temp2--;
da_new--;
new.br_startblock =
- NULLSTARTBLOCK((int)temp2);
+ nullstartblock((int)temp2);
}
}
}
nextents = ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t);
for (cnt = i = 0; i < nextents; i++) {
ep = xfs_iext_get_ext(ifp, i);
- if (!ISNULLSTARTBLOCK(xfs_bmbt_get_startblock(ep))) {
+ if (!isnullstartblock(xfs_bmbt_get_startblock(ep))) {
arp->l0 = cpu_to_be64(ep->l0);
arp->l1 = cpu_to_be64(ep->l1);
arp++; cnt++;
xfs_btree_log_recs(cur, abp, 1, be16_to_cpu(ablock->bb_numrecs));
ASSERT(*curp == NULL);
*curp = cur;
- *logflagsp = XFS_ILOG_CORE | XFS_ILOG_FBROOT(whichfork);
+ *logflagsp = XFS_ILOG_CORE | xfs_ilog_fbroot(whichfork);
return 0;
}
ip->i_d.di_nblocks = 1;
XFS_TRANS_MOD_DQUOT_BYINO(args.mp, tp, ip,
XFS_TRANS_DQ_BCOUNT, 1L);
- flags |= XFS_ILOG_FEXT(whichfork);
+ flags |= xfs_ilog_fext(whichfork);
} else {
ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0);
xfs_bmap_forkoff_reset(ip->i_mount, ip, whichfork);
XFS_IFORK_ASIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
ip->i_afp->if_flags = XFS_IFEXTENTS;
logflags = 0;
- XFS_BMAP_INIT(&flist, &firstblock);
+ xfs_bmap_init(&flist, &firstblock);
switch (ip->i_d.di_format) {
case XFS_DINODE_FMT_LOCAL:
error = xfs_bmap_add_attrfork_local(tp, ip, &firstblock, &flist,
ASSERT(bno != NULLFSBLOCK);
ASSERT(len > 0);
ASSERT(len <= MAXEXTLEN);
- ASSERT(!ISNULLSTARTBLOCK(bno));
+ ASSERT(!isnullstartblock(bno));
agno = XFS_FSB_TO_AGNO(mp, bno);
agbno = XFS_FSB_TO_AGBNO(mp, bno);
ASSERT(agno < mp->m_sb.sb_agcount);
got.br_startoff = end;
inhole = eof || got.br_startoff > bno;
wasdelay = wr && !inhole && !(flags & XFS_BMAPI_DELAY) &&
- ISNULLSTARTBLOCK(got.br_startblock);
+ isnullstartblock(got.br_startblock);
/*
* First, deal with the hole before the allocated space
* that we found, if any.
}
ip->i_delayed_blks += alen;
- abno = NULLSTARTBLOCK(indlen);
+ abno = nullstartblock(indlen);
} else {
/*
* If first time, allocate and fill in
aoff + alen);
#ifdef DEBUG
if (flags & XFS_BMAPI_DELAY) {
- ASSERT(ISNULLSTARTBLOCK(got.br_startblock));
- ASSERT(STARTBLOCKVAL(got.br_startblock) > 0);
+ ASSERT(isnullstartblock(got.br_startblock));
+ ASSERT(startblockval(got.br_startblock) > 0);
}
ASSERT(got.br_state == XFS_EXT_NORM ||
got.br_state == XFS_EXT_UNWRITTEN);
ASSERT((bno >= obno) || (n == 0));
ASSERT(bno < end);
mval->br_startoff = bno;
- if (ISNULLSTARTBLOCK(got.br_startblock)) {
+ if (isnullstartblock(got.br_startblock)) {
ASSERT(!wr || (flags & XFS_BMAPI_DELAY));
mval->br_startblock = DELAYSTARTBLOCK;
} else
ASSERT(mval->br_blockcount <= len);
} else {
*mval = got;
- if (ISNULLSTARTBLOCK(mval->br_startblock)) {
+ if (isnullstartblock(mval->br_startblock)) {
ASSERT(!wr || (flags & XFS_BMAPI_DELAY));
mval->br_startblock = DELAYSTARTBLOCK;
}
* Log everything. Do this after conversion, there's no point in
* logging the extent records if we've converted to btree format.
*/
- if ((logflags & XFS_ILOG_FEXT(whichfork)) &&
+ if ((logflags & xfs_ilog_fext(whichfork)) &&
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
- logflags &= ~XFS_ILOG_FEXT(whichfork);
- else if ((logflags & XFS_ILOG_FBROOT(whichfork)) &&
+ logflags &= ~xfs_ilog_fext(whichfork);
+ else if ((logflags & xfs_ilog_fbroot(whichfork)) &&
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)
- logflags &= ~XFS_ILOG_FBROOT(whichfork);
+ logflags &= ~xfs_ilog_fbroot(whichfork);
/*
* Log whatever the flags say, even if error. Otherwise we might miss
* detecting a case where the data is changed, there's an error,
*fsb = NULLFSBLOCK;
return 0;
}
- ASSERT(!ISNULLSTARTBLOCK(got.br_startblock));
+ ASSERT(!isnullstartblock(got.br_startblock));
ASSERT(bno < got.br_startoff + got.br_blockcount);
*fsb = got.br_startblock + (bno - got.br_startoff);
ifp->if_lastex = lastx;
*/
ASSERT(ep != NULL);
del = got;
- wasdel = ISNULLSTARTBLOCK(del.br_startblock);
+ wasdel = isnullstartblock(del.br_startblock);
if (got.br_startoff < start) {
del.br_startoff = start;
del.br_blockcount -= start - got.br_startoff;
xfs_bmbt_get_all(xfs_iext_get_ext(ifp,
lastx - 1), &prev);
ASSERT(prev.br_state == XFS_EXT_NORM);
- ASSERT(!ISNULLSTARTBLOCK(prev.br_startblock));
+ ASSERT(!isnullstartblock(prev.br_startblock));
ASSERT(del.br_startblock ==
prev.br_startblock + prev.br_blockcount);
if (prev.br_startoff < start) {
}
}
if (wasdel) {
- ASSERT(STARTBLOCKVAL(del.br_startblock) > 0);
+ ASSERT(startblockval(del.br_startblock) > 0);
/* Update realtime/data freespace, unreserve quota */
if (isrt) {
xfs_filblks_t rtexts;
* Log everything. Do this after conversion, there's no point in
* logging the extent records if we've converted to btree format.
*/
- if ((logflags & XFS_ILOG_FEXT(whichfork)) &&
+ if ((logflags & xfs_ilog_fext(whichfork)) &&
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
- logflags &= ~XFS_ILOG_FEXT(whichfork);
- else if ((logflags & XFS_ILOG_FBROOT(whichfork)) &&
+ logflags &= ~xfs_ilog_fext(whichfork);
+ else if ((logflags & xfs_ilog_fbroot(whichfork)) &&
XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)
- logflags &= ~XFS_ILOG_FBROOT(whichfork);
+ logflags &= ~xfs_ilog_fbroot(whichfork);
/*
* Log inode even in the error case, if the transaction
* is dirty we'll need to shut down the filesystem.
if (startblock == DELAYSTARTBLOCK)
out->bmv_block = -2;
else
- out->bmv_block = XFS_FSB_TO_DB(ip, startblock);
+ out->bmv_block = xfs_fsb_to_db(ip, startblock);
fileblock = XFS_BB_TO_FSB(ip->i_mount, out->bmv_offset);
ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
if (xfs_iext_bno_to_ext(ifp, fileblock, &lastx) &&
if (nex > XFS_IFORK_NEXTENTS(ip, whichfork) * 2 + 1)
nex = XFS_IFORK_NEXTENTS(ip, whichfork) * 2 + 1;
- bmapi_flags = XFS_BMAPI_AFLAG(whichfork) |
+ bmapi_flags = xfs_bmapi_aflag(whichfork) |
((iflags & BMV_IF_PREALLOC) ? 0 : XFS_BMAPI_IGSTATE);
/*
*/
*aeof = (off >= s.br_startoff &&
off < s.br_startoff + s.br_blockcount &&
- ISNULLSTARTBLOCK(s.br_startblock)) ||
+ isnullstartblock(s.br_startblock)) ||
off >= s.br_startoff + s.br_blockcount;
return 0;
}
/* need write cache flushing and no */
/* additional allocation alignments */
-#define XFS_BMAPI_AFLAG(w) xfs_bmapi_aflag(w)
static inline int xfs_bmapi_aflag(int w)
{
return (w == XFS_ATTR_FORK ? XFS_BMAPI_ATTRFORK : 0);
#define DELAYSTARTBLOCK ((xfs_fsblock_t)-1LL)
#define HOLESTARTBLOCK ((xfs_fsblock_t)-2LL)
-#define XFS_BMAP_INIT(flp,fbp) xfs_bmap_init(flp,fbp)
static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)
{
((flp)->xbf_first = NULL, (flp)->xbf_count = 0, \
b = (((xfs_dfsbno_t)l0 & xfs_mask64lo(9)) << 43) |
(((xfs_dfsbno_t)l1) >> 21);
- ASSERT((b >> 32) == 0 || ISNULLDSTARTBLOCK(b));
+ ASSERT((b >> 32) == 0 || isnulldstartblock(b));
s->br_startblock = (xfs_fsblock_t)b;
}
#else /* !DEBUG */
b = (((xfs_dfsbno_t)r->l0 & xfs_mask64lo(9)) << 43) |
(((xfs_dfsbno_t)r->l1) >> 21);
- ASSERT((b >> 32) == 0 || ISNULLDSTARTBLOCK(b));
+ ASSERT((b >> 32) == 0 || isnulldstartblock(b));
return (xfs_fsblock_t)b;
#else /* !DEBUG */
return (xfs_fsblock_t)(((xfs_dfsbno_t)r->l1) >> 21);
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)xfs_mask64lo(21));
#else /* !XFS_BIG_BLKNOS */
- if (ISNULLSTARTBLOCK(startblock)) {
+ if (isnullstartblock(startblock)) {
r->l0 = ((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
(xfs_bmbt_rec_base_t)xfs_mask64lo(9);
((xfs_bmbt_rec_base_t)blockcount &
(xfs_bmbt_rec_base_t)xfs_mask64lo(21)));
#else /* !XFS_BIG_BLKNOS */
- if (ISNULLSTARTBLOCK(startblock)) {
+ if (isnullstartblock(startblock)) {
r->l0 = cpu_to_be64(
((xfs_bmbt_rec_base_t)extent_flag << 63) |
((xfs_bmbt_rec_base_t)startoff << 9) |
r->l1 = (r->l1 & (xfs_bmbt_rec_base_t)xfs_mask64lo(21)) |
(xfs_bmbt_rec_base_t)(v << 21);
#else /* !XFS_BIG_BLKNOS */
- if (ISNULLSTARTBLOCK(v)) {
+ if (isnullstartblock(v)) {
r->l0 |= (xfs_bmbt_rec_base_t)xfs_mask64lo(9);
r->l1 = (xfs_bmbt_rec_base_t)xfs_mask64hi(11) |
((xfs_bmbt_rec_base_t)v << 21) |
#define DSTARTBLOCKMASK \
(((((xfs_dfsbno_t)1) << DSTARTBLOCKMASKBITS) - 1) << STARTBLOCKVALBITS)
-#define ISNULLSTARTBLOCK(x) isnullstartblock(x)
static inline int isnullstartblock(xfs_fsblock_t x)
{
return ((x) & STARTBLOCKMASK) == STARTBLOCKMASK;
}
-#define ISNULLDSTARTBLOCK(x) isnulldstartblock(x)
static inline int isnulldstartblock(xfs_dfsbno_t x)
{
return ((x) & DSTARTBLOCKMASK) == DSTARTBLOCKMASK;
}
-#define NULLSTARTBLOCK(k) nullstartblock(k)
static inline xfs_fsblock_t nullstartblock(int k)
{
ASSERT(k < (1 << STARTBLOCKVALBITS));
return STARTBLOCKMASK | (k);
}
-#define STARTBLOCKVAL(x) startblockval(x)
static inline xfs_filblks_t startblockval(xfs_fsblock_t x)
{
return (xfs_filblks_t)((x) & ~STARTBLOCKMASK);
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
- return be64_to_cpu(ptr->l) == NULLFSBLOCK;
+ return be64_to_cpu(ptr->l) == NULLDFSBNO;
else
return be32_to_cpu(ptr->s) == NULLAGBLOCK;
}
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS)
- ptr->l = cpu_to_be64(NULLFSBLOCK);
+ ptr->l = cpu_to_be64(NULLDFSBNO);
else
ptr->s = cpu_to_be32(NULLAGBLOCK);
}
new->bb_numrecs = cpu_to_be16(numrecs);
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
- new->bb_u.l.bb_leftsib = cpu_to_be64(NULLFSBLOCK);
- new->bb_u.l.bb_rightsib = cpu_to_be64(NULLFSBLOCK);
+ new->bb_u.l.bb_leftsib = cpu_to_be64(NULLDFSBNO);
+ new->bb_u.l.bb_rightsib = cpu_to_be64(NULLDFSBNO);
} else {
new->bb_u.s.bb_leftsib = cpu_to_be32(NULLAGBLOCK);
new->bb_u.s.bb_rightsib = cpu_to_be32(NULLAGBLOCK);
ptr->l = cpu_to_be64(XFS_DADDR_TO_FSB(cur->bc_mp,
XFS_BUF_ADDR(bp)));
else {
- ptr->s = cpu_to_be32(XFS_DADDR_TO_AGBNO(cur->bc_mp,
+ ptr->s = cpu_to_be32(xfs_daddr_to_agbno(cur->bc_mp,
XFS_BUF_ADDR(bp)));
}
}
union xfs_btree_ptr *ptr)
{
if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
- ASSERT(be64_to_cpu(ptr->l) != NULLFSBLOCK);
+ ASSERT(be64_to_cpu(ptr->l) != NULLDFSBNO);
return XFS_FSB_TO_DADDR(cur->bc_mp, be64_to_cpu(ptr->l));
} else {
xfs_btree_log_ptrs(cur, cbp, 1, be16_to_cpu(cblock->bb_numrecs));
*logflags |=
- XFS_ILOG_CORE | XFS_ILOG_FBROOT(cur->bc_private.b.whichfork);
+ XFS_ILOG_CORE | xfs_ilog_fbroot(cur->bc_private.b.whichfork);
*stat = 1;
XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT);
return 0;
cur->bc_bufs[level - 1] = NULL;
be16_add_cpu(&block->bb_level, -1);
xfs_trans_log_inode(cur->bc_tp, ip,
- XFS_ILOG_CORE | XFS_ILOG_FBROOT(cur->bc_private.b.whichfork));
+ XFS_ILOG_CORE | xfs_ilog_fbroot(cur->bc_private.b.whichfork));
cur->bc_nlevels--;
out0:
XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT);
nmap = 1;
ASSERT(args->firstblock != NULL);
if ((error = xfs_bmapi(tp, dp, bno, count,
- XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|
+ xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|
XFS_BMAPI_CONTIG,
args->firstblock, args->total, &map, &nmap,
args->flist, NULL))) {
nmap = MIN(XFS_BMAP_MAX_NMAP, count);
c = (int)(bno + count - b);
if ((error = xfs_bmapi(tp, dp, b, c,
- XFS_BMAPI_AFLAG(w)|XFS_BMAPI_WRITE|
+ xfs_bmapi_aflag(w)|XFS_BMAPI_WRITE|
XFS_BMAPI_METADATA,
args->firstblock, args->total,
&mapp[mapi], &nmap, args->flist,
* the last block to the place we want to kill.
*/
if ((error = xfs_bunmapi(tp, dp, dead_blkno, count,
- XFS_BMAPI_AFLAG(w)|XFS_BMAPI_METADATA,
+ xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA,
0, args->firstblock, args->flist, NULL,
&done)) == ENOSPC) {
if (w != XFS_DATA_FORK)
if ((error = xfs_bmapi(trans, dp, (xfs_fileoff_t)bno,
nfsb,
XFS_BMAPI_METADATA |
- XFS_BMAPI_AFLAG(whichfork),
+ xfs_bmapi_aflag(whichfork),
NULL, 0, mapp, &nmap, NULL, NULL)))
goto exit0;
}
int ioffset = i << args.mp->m_sb.sb_inodelog;
uint isize = sizeof(struct xfs_dinode);
- free = XFS_MAKE_IPTR(args.mp, fbuf, i);
+ free = xfs_make_iptr(args.mp, fbuf, i);
free->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
free->di_version = version;
free->di_gen = cpu_to_be32(gen);
}
}
}
- offset = XFS_IALLOC_FIND_FREE(&rec.ir_free);
+ offset = xfs_ialloc_find_free(&rec.ir_free);
ASSERT(offset >= 0);
ASSERT(offset < XFS_INODES_PER_CHUNK);
ASSERT((XFS_AGINO_TO_OFFSET(mp, rec.ir_startino) %
offset = XFS_INO_TO_OFFSET(mp, ino);
ASSERT(offset < mp->m_sb.sb_inopblock);
- cluster_agbno = XFS_DADDR_TO_AGBNO(mp, imap->im_blkno);
+ cluster_agbno = xfs_daddr_to_agbno(mp, imap->im_blkno);
offset += (agbno - cluster_agbno) * mp->m_sb.sb_inopblock;
imap->im_len = XFS_FSB_TO_BB(mp, blks_per_cluster);
/*
* Make an inode pointer out of the buffer/offset.
*/
-#define XFS_MAKE_IPTR(mp,b,o) xfs_make_iptr(mp,b,o)
static inline struct xfs_dinode *
xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
{
/*
* Find a free (set) bit in the inode bitmask.
*/
-#define XFS_IALLOC_FIND_FREE(fp) xfs_ialloc_find_free(fp)
static inline int xfs_ialloc_find_free(xfs_inofree_t *fp)
{
return xfs_lowbit64(*fp);
#define XFS_INODES_PER_CHUNK_LOG (XFS_NBBYLOG + 3)
#define XFS_INOBT_ALL_FREE ((xfs_inofree_t)-1)
-#define XFS_INOBT_MASKN(i,n) xfs_inobt_maskn(i,n)
static inline xfs_inofree_t xfs_inobt_maskn(int i, int n)
{
return (((n) >= XFS_INODES_PER_CHUNK ? \
case XFS_DINODE_FMT_LOCAL:
atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip);
size = be16_to_cpu(atp->hdr.totsize);
+
+ if (unlikely(size < sizeof(struct xfs_attr_sf_hdr))) {
+ xfs_fs_repair_cmn_err(CE_WARN, ip->i_mount,
+ "corrupt inode %Lu "
+ "(bad attr fork size %Ld).",
+ (unsigned long long) ip->i_ino,
+ (long long) size);
+ XFS_CORRUPTION_ERROR("xfs_iformat(8)",
+ XFS_ERRLEVEL_LOW,
+ ip->i_mount, dip);
+ return XFS_ERROR(EFSCORRUPTED);
+ }
+
error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size);
break;
case XFS_DINODE_FMT_EXTENTS:
* in this file with garbage in them once recovery
* runs.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_bunmapi(ntp, ip,
first_unmap_block, unmap_len,
- XFS_BMAPI_AFLAG(fork) |
+ xfs_bmapi_aflag(fork) |
(sync ? 0 : XFS_BMAPI_ASYNC),
XFS_ITRUNC_MAX_EXTENTS,
&first_block, &free_list,
for (i = 0; i < nrecs; i++) {
xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, i);
start_block = xfs_bmbt_get_startblock(ep);
- if (ISNULLSTARTBLOCK(start_block)) {
+ if (isnullstartblock(start_block)) {
/*
* It's a delayed allocation extent, so skip it.
*/
#define XFS_ILI_IOLOCKED_ANY (XFS_ILI_IOLOCKED_EXCL | XFS_ILI_IOLOCKED_SHARED)
-
-#define XFS_ILOG_FBROOT(w) xfs_ilog_fbroot(w)
static inline int xfs_ilog_fbroot(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DBROOT : XFS_ILOG_ABROOT);
}
-#define XFS_ILOG_FEXT(w) xfs_ilog_fext(w)
static inline int xfs_ilog_fext(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DEXT : XFS_ILOG_AEXT);
}
-#define XFS_ILOG_FDATA(w) xfs_ilog_fdata(w)
static inline int xfs_ilog_fdata(int w)
{
return (w == XFS_DATA_FORK ? XFS_ILOG_DDATA : XFS_ILOG_ADATA);
iomapp->iomap_bn = IOMAP_DADDR_NULL;
iomapp->iomap_flags |= IOMAP_DELAY;
} else {
- iomapp->iomap_bn = XFS_FSB_TO_DB(ip, start_block);
+ iomapp->iomap_bn = xfs_fsb_to_db(ip, start_block);
if (ISUNWRITTEN(imap))
iomapp->iomap_flags |= IOMAP_UNWRITTEN;
}
xfs_iunlock(ip, lockmode);
lockmode = 0;
- if (nimaps && !ISNULLSTARTBLOCK(imap.br_startblock)) {
+ if (nimaps && !isnullstartblock(imap.br_startblock)) {
xfs_iomap_map_trace(XFS_IOMAP_WRITE_MAP, ip,
offset, count, iomapp, &imap, flags);
break;
/*
* Issue the xfs_bmapi() call to allocate the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
nimaps = 1;
error = xfs_bmapi(tp, ip, offset_fsb, count_fsb, bmapi_flag,
&firstfsb, 0, &imap, &nimaps, &free_list, NULL);
xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
xfs_trans_ihold(tp, ip);
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
/*
* it is possible that the extents have changed since
/*
* Modify the unwritten extent state of the buffer.
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
nimaps = 1;
error = xfs_bmapi(tp, ip, offset_fsb, count_fsb,
XFS_BMAPI_WRITE|XFS_BMAPI_CONVERT, &firstfsb,
(chunkidx = agino - gino + 1) <
XFS_INODES_PER_CHUNK &&
/* there are some left allocated */
- XFS_INOBT_MASKN(chunkidx,
+ xfs_inobt_maskn(chunkidx,
XFS_INODES_PER_CHUNK - chunkidx) & ~gfree) {
/*
* Grab the chunk record. Mark all the
if (XFS_INOBT_MASK(i) & ~gfree)
gcnt++;
}
- gfree |= XFS_INOBT_MASKN(0, chunkidx);
+ gfree |= xfs_inobt_maskn(0, chunkidx);
irbp->ir_startino = gino;
irbp->ir_freecount = gcnt;
irbp->ir_free = gfree;
chunkidx < XFS_INODES_PER_CHUNK;
chunkidx += nicluster,
agbno += nbcluster) {
- if (XFS_INOBT_MASKN(chunkidx,
+ if (xfs_inobt_maskn(chunkidx,
nicluster) & ~gfree)
xfs_btree_reada_bufs(mp, agno,
agbno, nbcluster);
#include "xfs_fsops.h"
#include "xfs_utils.h"
-STATIC int xfs_mount_log_sb(xfs_mount_t *, __int64_t);
STATIC int xfs_uuid_mount(xfs_mount_t *);
STATIC void xfs_unmountfs_wait(xfs_mount_t *);
* Update alignment values based on mount options and sb values
*/
STATIC int
-xfs_update_alignment(xfs_mount_t *mp, __uint64_t *update_flags)
+xfs_update_alignment(xfs_mount_t *mp)
{
xfs_sb_t *sbp = &(mp->m_sb);
if (xfs_sb_version_hasdalign(sbp)) {
if (sbp->sb_unit != mp->m_dalign) {
sbp->sb_unit = mp->m_dalign;
- *update_flags |= XFS_SB_UNIT;
+ mp->m_update_flags |= XFS_SB_UNIT;
}
if (sbp->sb_width != mp->m_swidth) {
sbp->sb_width = mp->m_swidth;
- *update_flags |= XFS_SB_WIDTH;
+ mp->m_update_flags |= XFS_SB_WIDTH;
}
}
} else if ((mp->m_flags & XFS_MOUNT_NOALIGN) != XFS_MOUNT_NOALIGN &&
xfs_sb_t *sbp = &(mp->m_sb);
xfs_inode_t *rip;
__uint64_t resblks;
- __int64_t update_flags = 0LL;
uint quotamount, quotaflags;
int uuid_mounted = 0;
int error = 0;
"XFS: correcting sb_features alignment problem");
sbp->sb_features2 |= sbp->sb_bad_features2;
sbp->sb_bad_features2 = sbp->sb_features2;
- update_flags |= XFS_SB_FEATURES2 | XFS_SB_BAD_FEATURES2;
+ mp->m_update_flags |= XFS_SB_FEATURES2 | XFS_SB_BAD_FEATURES2;
/*
* Re-check for ATTR2 in case it was found in bad_features2
if (xfs_sb_version_hasattr2(&mp->m_sb) &&
(mp->m_flags & XFS_MOUNT_NOATTR2)) {
xfs_sb_version_removeattr2(&mp->m_sb);
- update_flags |= XFS_SB_FEATURES2;
+ mp->m_update_flags |= XFS_SB_FEATURES2;
/* update sb_versionnum for the clearing of the morebits */
if (!sbp->sb_features2)
- update_flags |= XFS_SB_VERSIONNUM;
+ mp->m_update_flags |= XFS_SB_VERSIONNUM;
}
/*
* allocator alignment is within an ag, therefore ag has
* to be aligned at stripe boundary.
*/
- error = xfs_update_alignment(mp, &update_flags);
+ error = xfs_update_alignment(mp);
if (error)
goto error1;
}
/*
- * If fs is not mounted readonly, then update the superblock changes.
+ * If this is a read-only mount defer the superblock updates until
+ * the next remount into writeable mode. Otherwise we would never
+ * perform the update e.g. for the root filesystem.
*/
- if (update_flags && !(mp->m_flags & XFS_MOUNT_RDONLY)) {
- error = xfs_mount_log_sb(mp, update_flags);
+ if (mp->m_update_flags && !(mp->m_flags & XFS_MOUNT_RDONLY)) {
+ error = xfs_mount_log_sb(mp, mp->m_update_flags);
if (error) {
cmn_err(CE_WARN, "XFS: failed to write sb changes");
goto error4;
* be altered by the mount options, as well as any potential sb_features2
* fixup. Only the first superblock is updated.
*/
-STATIC int
+int
xfs_mount_log_sb(
xfs_mount_t *mp,
__int64_t fields)
#ifndef __KERNEL__
-#define XFS_DADDR_TO_AGNO(mp,d) \
+#define xfs_daddr_to_agno(mp,d) \
((xfs_agnumber_t)(XFS_BB_TO_FSBT(mp, d) / (mp)->m_sb.sb_agblocks))
-#define XFS_DADDR_TO_AGBNO(mp,d) \
+#define xfs_daddr_to_agbno(mp,d) \
((xfs_agblock_t)(XFS_BB_TO_FSBT(mp, d) % (mp)->m_sb.sb_agblocks))
#else /* __KERNEL__ */
spinlock_t m_sync_lock; /* work item list lock */
int m_sync_seq; /* sync thread generation no. */
wait_queue_head_t m_wait_single_sync_task;
+ __int64_t m_update_flags; /* sb flags we need to update
+ on the next remount,rw */
} xfs_mount_t;
/*
*/
#define XFS_MFSI_QUIET 0x40 /* Be silent if mount errors found */
-#define XFS_DADDR_TO_AGNO(mp,d) xfs_daddr_to_agno(mp,d)
static inline xfs_agnumber_t
xfs_daddr_to_agno(struct xfs_mount *mp, xfs_daddr_t d)
{
return (xfs_agnumber_t) ld;
}
-#define XFS_DADDR_TO_AGBNO(mp,d) xfs_daddr_to_agbno(mp,d)
static inline xfs_agblock_t
xfs_daddr_to_agbno(struct xfs_mount *mp, xfs_daddr_t d)
{
int64_t, int);
extern int xfs_mod_incore_sb_batch(xfs_mount_t *, xfs_mod_sb_t *,
uint, int);
+extern int xfs_mount_log_sb(xfs_mount_t *, __int64_t);
extern struct xfs_buf *xfs_getsb(xfs_mount_t *, int);
extern int xfs_readsb(xfs_mount_t *, int);
extern void xfs_freesb(xfs_mount_t *);
xfs_sort_for_rename(src_dp, target_dp, src_ip, target_ip,
inodes, &num_inodes);
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
tp = xfs_trans_alloc(mp, XFS_TRANS_RENAME);
cancel_flags = XFS_TRANS_RELEASE_LOG_RES;
spaceres = XFS_RENAME_SPACE_RES(mp, target_name->len);
if ((error = xfs_trans_iget(mp, tp, ino, 0,
XFS_ILOCK_EXCL, &ip)))
goto error_cancel;
- XFS_BMAP_INIT(&flist, &firstblock);
+ xfs_bmap_init(&flist, &firstblock);
/*
* Allocate blocks to the bitmap file.
*/
* file is a real time file or not, because the bmap code
* does.
*/
-#define XFS_FSB_TO_DB(ip,fsb) xfs_fsb_to_db(ip,fsb)
static inline xfs_daddr_t
xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb)
{
#define XFS_HDR_BLOCK(mp,d) ((xfs_agblock_t)XFS_BB_TO_FSBT(mp,d))
#define XFS_DADDR_TO_FSB(mp,d) XFS_AGB_TO_FSB(mp, \
- XFS_DADDR_TO_AGNO(mp,d), XFS_DADDR_TO_AGBNO(mp,d))
+ xfs_daddr_to_agno(mp,d), xfs_daddr_to_agbno(mp,d))
#define XFS_FSB_TO_DADDR(mp,fsbno) XFS_AGB_TO_DADDR(mp, \
XFS_FSB_TO_AGNO(mp,fsbno), XFS_FSB_TO_AGBNO(mp,fsbno))
* Find the block(s) so we can inval and unmap them.
*/
done = 0;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
nmaps = ARRAY_SIZE(mval);
if ((error = xfs_bmapi(tp, ip, 0, XFS_B_TO_FSB(mp, size),
XFS_BMAPI_METADATA, &first_block, 0, mval, &nmaps,
/*
* Free the inode.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_ifree(tp, ip, &free_list);
if (error) {
/*
xfs_ilock(dp, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
unlock_dp_on_error = B_TRUE;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
ASSERT(ip == NULL);
}
}
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_removename(tp, dp, name, ip->i_ino,
&first_block, &free_list, resblks);
if (error) {
if (error)
goto error_return;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_createname(tp, tdp, target_name, sip->i_ino,
&first_block, &free_list, resblks);
xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
unlock_dp_on_error = B_FALSE;
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
error = xfs_dir_createname(tp, dp, dir_name, cdp->i_ino,
&first_block, &free_list, resblks ?
* Initialize the bmap freelist prior to calling either
* bmapi or the directory create code.
*/
- XFS_BMAP_INIT(&free_list, &first_block);
+ xfs_bmap_init(&free_list, &first_block);
/*
* Allocate an inode for the symlink.
/*
* Issue the xfs_bmapi() call to allocate the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bmapi(tp, ip, startoffset_fsb,
allocatesize_fsb, bmapi_flag,
&firstfsb, 0, imapp, &nimaps,
XFS_BUF_UNDONE(bp);
XFS_BUF_UNWRITE(bp);
XFS_BUF_READ(bp);
- XFS_BUF_SET_ADDR(bp, XFS_FSB_TO_DB(ip, imap.br_startblock));
+ XFS_BUF_SET_ADDR(bp, xfs_fsb_to_db(ip, imap.br_startblock));
xfsbdstrat(mp, bp);
error = xfs_iowait(bp);
if (error) {
/*
* issue the bunmapi() call to free the blocks
*/
- XFS_BMAP_INIT(&free_list, &firstfsb);
+ xfs_bmap_init(&free_list, &firstfsb);
error = xfs_bunmapi(tp, ip, startoffset_fsb,
endoffset_fsb - startoffset_fsb,
0, 2, &firstfsb, &free_list, NULL, &done);
*
* Undefined if no bit exists, so code should check against 0 first.
*/
-static inline unsigned long __ffs(unsigned long word)
+static __always_inline unsigned long __ffs(unsigned long word)
{
int num = 0;
*
* Undefined if no set bit exists, so code should check against 0 first.
*/
-static inline unsigned long __fls(unsigned long word)
+static __always_inline unsigned long __fls(unsigned long word)
{
int num = BITS_PER_LONG - 1;
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
-static inline int fls(int x)
+static __always_inline int fls(int x)
{
int r = 32;
* at position 64.
*/
#if BITS_PER_LONG == 32
-static inline int fls64(__u64 x)
+static __always_inline int fls64(__u64 x)
{
__u32 h = x >> 32;
if (h)
return fls(x);
}
#elif BITS_PER_LONG == 64
-static inline int fls64(__u64 x)
+static __always_inline int fls64(__u64 x)
{
if (x == 0)
return 0;
.posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
.cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
.rlim = INIT_RLIMITS, \
+ .cputime = { .totals = { \
+ .utime = cputime_zero, \
+ .stime = cputime_zero, \
+ .sum_exec_runtime = 0, \
+ .lock = __SPIN_LOCK_UNLOCKED(sig.cputime.totals.lock), \
+ }, }, \
}
extern struct nsproxy init_nsproxy;
extern void softlockup_tick(void);
extern void touch_softlockup_watchdog(void);
extern void touch_all_softlockup_watchdogs(void);
+extern int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
+ struct file *filp, void __user *buffer,
+ size_t *lenp, loff_t *ppos);
extern unsigned int softlockup_panic;
extern unsigned long sysctl_hung_task_check_count;
extern unsigned long sysctl_hung_task_timeout_secs;
cputime_t utime;
cputime_t stime;
unsigned long long sum_exec_runtime;
+ spinlock_t lock;
};
/* Alternate field names when used to cache expirations. */
#define prof_exp stime
* used for thread group CPU clock calculations.
*/
struct thread_group_cputime {
- struct task_cputime *totals;
+ struct task_cputime totals;
};
/*
* Thread group CPU time accounting.
*/
-extern int thread_group_cputime_alloc(struct task_struct *);
-extern void thread_group_cputime(struct task_struct *, struct task_cputime *);
-
-static inline void thread_group_cputime_init(struct signal_struct *sig)
+static inline
+void thread_group_cputime(struct task_struct *tsk, struct task_cputime *times)
{
- sig->cputime.totals = NULL;
+ struct task_cputime *totals = &tsk->signal->cputime.totals;
+ unsigned long flags;
+
+ spin_lock_irqsave(&totals->lock, flags);
+ *times = *totals;
+ spin_unlock_irqrestore(&totals->lock, flags);
}
-static inline int thread_group_cputime_clone_thread(struct task_struct *curr)
+static inline void thread_group_cputime_init(struct signal_struct *sig)
{
- if (curr->signal->cputime.totals)
- return 0;
- return thread_group_cputime_alloc(curr);
+ sig->cputime.totals = (struct task_cputime){
+ .utime = cputime_zero,
+ .stime = cputime_zero,
+ .sum_exec_runtime = 0,
+ };
+
+ spin_lock_init(&sig->cputime.totals.lock);
}
static inline void thread_group_cputime_free(struct signal_struct *sig)
{
- free_percpu(sig->cputime.totals);
}
/*
init_timer(&(_work)->timer); \
} while (0)
+#define INIT_DELAYED_WORK_ON_STACK(_work, _func) \
+ do { \
+ INIT_WORK(&(_work)->work, (_func)); \
+ init_timer_on_stack(&(_work)->timer); \
+ } while (0)
+
#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func) \
do { \
INIT_WORK(&(_work)->work, (_func)); \
init_timer_deferrable(&(_work)->timer); \
} while (0)
+#define INIT_DELAYED_WORK_ON_STACK(_work, _func) \
+ do { \
+ INIT_WORK(&(_work)->work, (_func)); \
+ init_timer_on_stack(&(_work)->timer); \
+ } while (0)
+
/**
* work_pending - Find out whether a work item is currently pending
* @work: The work item in question
#define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \
wevent, wflags) \
{ .id = snd_soc_dapm_switch, .name = wname, .reg = wreg, .shift = wshift, \
- .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1 \
+ .invert = winvert, .kcontrols = wcontrols, .num_kcontrols = 1, \
.event = wevent, .event_flags = wflags}
#define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \
wevent, wflags) \
def_bool y
depends on AUDITSYSCALL && INOTIFY
+menu "RCU Subsystem"
+
+choice
+ prompt "RCU Implementation"
+ default CLASSIC_RCU
+
+config CLASSIC_RCU
+ bool "Classic RCU"
+ help
+ This option selects the classic RCU implementation that is
+ designed for best read-side performance on non-realtime
+ systems.
+
+ Select this option if you are unsure.
+
+config TREE_RCU
+ bool "Tree-based hierarchical RCU"
+ help
+ This option selects the RCU implementation that is
+ designed for very large SMP system with hundreds or
+ thousands of CPUs.
+
+config PREEMPT_RCU
+ bool "Preemptible RCU"
+ depends on PREEMPT
+ help
+ This option reduces the latency of the kernel by making certain
+ RCU sections preemptible. Normally RCU code is non-preemptible, if
+ this option is selected then read-only RCU sections become
+ preemptible. This helps latency, but may expose bugs due to
+ now-naive assumptions about each RCU read-side critical section
+ remaining on a given CPU through its execution.
+
+endchoice
+
+config RCU_TRACE
+ bool "Enable tracing for RCU"
+ depends on TREE_RCU || PREEMPT_RCU
+ help
+ This option provides tracing in RCU which presents stats
+ in debugfs for debugging RCU implementation.
+
+ Say Y here if you want to enable RCU tracing
+ Say N if you are unsure.
+
+config RCU_FANOUT
+ int "Tree-based hierarchical RCU fanout value"
+ range 2 64 if 64BIT
+ range 2 32 if !64BIT
+ depends on TREE_RCU
+ default 64 if 64BIT
+ default 32 if !64BIT
+ help
+ This option controls the fanout of hierarchical implementations
+ of RCU, allowing RCU to work efficiently on machines with
+ large numbers of CPUs. This value must be at least the cube
+ root of NR_CPUS, which allows NR_CPUS up to 32,768 for 32-bit
+ systems and up to 262,144 for 64-bit systems.
+
+ Select a specific number if testing RCU itself.
+ Take the default if unsure.
+
+config RCU_FANOUT_EXACT
+ bool "Disable tree-based hierarchical RCU auto-balancing"
+ depends on TREE_RCU
+ default n
+ help
+ This option forces use of the exact RCU_FANOUT value specified,
+ regardless of imbalances in the hierarchy. This is useful for
+ testing RCU itself, and might one day be useful on systems with
+ strong NUMA behavior.
+
+ Without RCU_FANOUT_EXACT, the code will balance the hierarchy.
+
+ Say N if unsure.
+
+config TREE_RCU_TRACE
+ def_bool RCU_TRACE && TREE_RCU
+ select DEBUG_FS
+ help
+ This option provides tracing for the TREE_RCU implementation,
+ permitting Makefile to trivially select kernel/rcutree_trace.c.
+
+config PREEMPT_RCU_TRACE
+ def_bool RCU_TRACE && PREEMPT_RCU
+ select DEBUG_FS
+ help
+ This option provides tracing for the PREEMPT_RCU implementation,
+ permitting Makefile to trivially select kernel/rcupreempt_trace.c.
+
+endmenu # "RCU Subsystem"
+
config IKCONFIG
tristate "Kernel .config support"
---help---
config PREEMPT_NOTIFIERS
bool
-choice
- prompt "RCU Implementation"
- default CLASSIC_RCU
-
-config CLASSIC_RCU
- bool "Classic RCU"
- help
- This option selects the classic RCU implementation that is
- designed for best read-side performance on non-realtime
- systems.
-
- Select this option if you are unsure.
-
-config TREE_RCU
- bool "Tree-based hierarchical RCU"
- help
- This option selects the RCU implementation that is
- designed for very large SMP system with hundreds or
- thousands of CPUs.
-
-config PREEMPT_RCU
- bool "Preemptible RCU"
- depends on PREEMPT
- help
- This option reduces the latency of the kernel by making certain
- RCU sections preemptible. Normally RCU code is non-preemptible, if
- this option is selected then read-only RCU sections become
- preemptible. This helps latency, but may expose bugs due to
- now-naive assumptions about each RCU read-side critical section
- remaining on a given CPU through its execution.
-
-endchoice
-
-config RCU_TRACE
- bool "Enable tracing for RCU"
- depends on TREE_RCU || PREEMPT_RCU
- help
- This option provides tracing in RCU which presents stats
- in debugfs for debugging RCU implementation.
-
- Say Y here if you want to enable RCU tracing
- Say N if you are unsure.
-
-config RCU_FANOUT
- int "Tree-based hierarchical RCU fanout value"
- range 2 64 if 64BIT
- range 2 32 if !64BIT
- depends on TREE_RCU
- default 64 if 64BIT
- default 32 if !64BIT
- help
- This option controls the fanout of hierarchical implementations
- of RCU, allowing RCU to work efficiently on machines with
- large numbers of CPUs. This value must be at least the cube
- root of NR_CPUS, which allows NR_CPUS up to 32,768 for 32-bit
- systems and up to 262,144 for 64-bit systems.
-
- Select a specific number if testing RCU itself.
- Take the default if unsure.
-
-config RCU_FANOUT_EXACT
- bool "Disable tree-based hierarchical RCU auto-balancing"
- depends on TREE_RCU
- default n
- help
- This option forces use of the exact RCU_FANOUT value specified,
- regardless of imbalances in the hierarchy. This is useful for
- testing RCU itself, and might one day be useful on systems with
- strong NUMA behavior.
-
- Without RCU_FANOUT_EXACT, the code will balance the hierarchy.
-
- Say N if unsure.
-
-config TREE_RCU_TRACE
- def_bool RCU_TRACE && TREE_RCU
- select DEBUG_FS
- help
- This option provides tracing for the TREE_RCU implementation,
- permitting Makefile to trivially select kernel/rcutree_trace.c.
-
-config PREEMPT_RCU_TRACE
- def_bool RCU_TRACE && PREEMPT_RCU
- select DEBUG_FS
- help
- This option provides tracing for the PREEMPT_RCU implementation,
- permitting Makefile to trivially select kernel/rcupreempt_trace.c.
static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
{
struct signal_struct *sig;
- int ret;
if (clone_flags & CLONE_THREAD) {
- ret = thread_group_cputime_clone_thread(current);
- if (likely(!ret)) {
- atomic_inc(¤t->signal->count);
- atomic_inc(¤t->signal->live);
- }
- return ret;
+ atomic_inc(¤t->signal->count);
+ atomic_inc(¤t->signal->live);
+ return 0;
}
sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
+
+ if (sig)
+ posix_cpu_timers_init_group(sig);
+
tsk->signal = sig;
if (!sig)
return -ENOMEM;
memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
task_unlock(current->group_leader);
- posix_cpu_timers_init_group(sig);
-
acct_init_pacct(&sig->pacct);
tty_audit_fork(sig);
*/
void hres_timers_resume(void)
{
- /* Retrigger the CPU local events: */
+ WARN_ONCE(!irqs_disabled(),
+ KERN_INFO "hres_timers_resume() called with IRQs enabled!");
+
retrigger_next_event(NULL);
}
#include <asm/uaccess.h>
#include <linux/kernel_stat.h>
-/*
- * Allocate the thread_group_cputime structure appropriately and fill in the
- * current values of the fields. Called from copy_signal() via
- * thread_group_cputime_clone_thread() when adding a second or subsequent
- * thread to a thread group. Assumes interrupts are enabled when called.
- */
-int thread_group_cputime_alloc(struct task_struct *tsk)
-{
- struct signal_struct *sig = tsk->signal;
- struct task_cputime *cputime;
-
- /*
- * If we have multiple threads and we don't already have a
- * per-CPU task_cputime struct (checked in the caller), allocate
- * one and fill it in with the times accumulated so far. We may
- * race with another thread so recheck after we pick up the sighand
- * lock.
- */
- cputime = alloc_percpu(struct task_cputime);
- if (cputime == NULL)
- return -ENOMEM;
- spin_lock_irq(&tsk->sighand->siglock);
- if (sig->cputime.totals) {
- spin_unlock_irq(&tsk->sighand->siglock);
- free_percpu(cputime);
- return 0;
- }
- sig->cputime.totals = cputime;
- cputime = per_cpu_ptr(sig->cputime.totals, smp_processor_id());
- cputime->utime = tsk->utime;
- cputime->stime = tsk->stime;
- cputime->sum_exec_runtime = tsk->se.sum_exec_runtime;
- spin_unlock_irq(&tsk->sighand->siglock);
- return 0;
-}
-
-/**
- * thread_group_cputime - Sum the thread group time fields across all CPUs.
- *
- * @tsk: The task we use to identify the thread group.
- * @times: task_cputime structure in which we return the summed fields.
- *
- * Walk the list of CPUs to sum the per-CPU time fields in the thread group
- * time structure.
- */
-void thread_group_cputime(
- struct task_struct *tsk,
- struct task_cputime *times)
-{
- struct task_cputime *totals, *tot;
- int i;
-
- totals = tsk->signal->cputime.totals;
- if (!totals) {
- times->utime = tsk->utime;
- times->stime = tsk->stime;
- times->sum_exec_runtime = tsk->se.sum_exec_runtime;
- return;
- }
-
- times->stime = times->utime = cputime_zero;
- times->sum_exec_runtime = 0;
- for_each_possible_cpu(i) {
- tot = per_cpu_ptr(totals, i);
- times->utime = cputime_add(times->utime, tot->utime);
- times->stime = cputime_add(times->stime, tot->stime);
- times->sum_exec_runtime += tot->sum_exec_runtime;
- }
-}
-
/*
* Called after updating RLIMIT_CPU to set timer expiration if necessary.
*/
raise_rcu_softirq();
}
-static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp,
+static void __cpuinit rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp,
struct rcu_data *rdp)
{
unsigned long flags;
* access due to the fact that this CPU cannot possibly have any RCU
* callbacks in flight yet.
*/
-static void
+static void __cpuinit
rcu_init_percpu_data(int cpu, struct rcu_state *rsp)
{
unsigned long flags;
mutex_lock(&relay_channels_mutex);
/* Is chan already set up? */
- if (unlikely(chan->has_base_filename))
+ if (unlikely(chan->has_base_filename)) {
+ mutex_unlock(&relay_channels_mutex);
return -EEXIST;
+ }
chan->has_base_filename = 1;
chan->parent = parent;
curr_cpu = get_cpu();
static inline void account_group_user_time(struct task_struct *tsk,
cputime_t cputime)
{
+ struct task_cputime *times;
struct signal_struct *sig;
/* tsk == current, ensure it is safe to use ->signal */
return;
sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->utime = cputime_add(times->utime, cputime);
- put_cpu_no_resched();
- }
+ spin_lock(×->lock);
+ times->utime = cputime_add(times->utime, cputime);
+ spin_unlock(×->lock);
}
/**
static inline void account_group_system_time(struct task_struct *tsk,
cputime_t cputime)
{
+ struct task_cputime *times;
struct signal_struct *sig;
/* tsk == current, ensure it is safe to use ->signal */
return;
sig = tsk->signal;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->stime = cputime_add(times->stime, cputime);
- put_cpu_no_resched();
- }
+ spin_lock(×->lock);
+ times->stime = cputime_add(times->stime, cputime);
+ spin_unlock(×->lock);
}
/**
static inline void account_group_exec_runtime(struct task_struct *tsk,
unsigned long long ns)
{
+ struct task_cputime *times;
struct signal_struct *sig;
sig = tsk->signal;
if (unlikely(!sig))
return;
- if (sig->cputime.totals) {
- struct task_cputime *times;
+ times = &sig->cputime.totals;
- times = per_cpu_ptr(sig->cputime.totals, get_cpu());
- times->sum_exec_runtime += ns;
- put_cpu_no_resched();
- }
+ spin_lock(×->lock);
+ times->sum_exec_runtime += ns;
+ spin_unlock(×->lock);
}
#include <linux/lockdep.h>
#include <linux/notifier.h>
#include <linux/module.h>
+#include <linux/sysctl.h>
#include <asm/irq_regs.h>
}
EXPORT_SYMBOL(touch_all_softlockup_watchdogs);
+int proc_dosoftlockup_thresh(struct ctl_table *table, int write,
+ struct file *filp, void __user *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ touch_all_softlockup_watchdogs();
+ return proc_dointvec_minmax(table, write, filp, buffer, lenp, ppos);
+}
+
/*
* This callback runs from the timer interrupt, and checks
* whether the watchdog thread has hung or not:
.data = &softlockup_thresh,
.maxlen = sizeof(int),
.mode = 0644,
- .proc_handler = &proc_dointvec_minmax,
+ .proc_handler = &proc_dosoftlockup_thresh,
.strategy = &sysctl_intvec,
.extra1 = &neg_one,
.extra2 = &sixty,
* value. We do this unconditionally on any cpu, as we don't know whether the
* cpu, which has the update task assigned is in a long sleep.
*/
-void tick_nohz_update_jiffies(void)
+static void tick_nohz_update_jiffies(void)
{
int cpu = smp_processor_id();
struct tick_sched *ts = &per_cpu(tick_cpu_sched, cpu);
}
#ifdef CONFIG_SMP
+static struct workqueue_struct *work_on_cpu_wq __read_mostly;
+
struct work_for_cpu {
struct work_struct work;
long (*fn)(void *);
* @fn: the function to run
* @arg: the function arg
*
- * This will return -EINVAL in the cpu is not online, or the return value
- * of @fn otherwise.
+ * This will return the value @fn returns.
+ * It is up to the caller to ensure that the cpu doesn't go offline.
*/
long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg)
{
INIT_WORK(&wfc.work, do_work_for_cpu);
wfc.fn = fn;
wfc.arg = arg;
- get_online_cpus();
- if (unlikely(!cpu_online(cpu)))
- wfc.ret = -EINVAL;
- else {
- schedule_work_on(cpu, &wfc.work);
- flush_work(&wfc.work);
- }
- put_online_cpus();
+ queue_work_on(cpu, work_on_cpu_wq, &wfc.work);
+ flush_work(&wfc.work);
return wfc.ret;
}
hotcpu_notifier(workqueue_cpu_callback, 0);
keventd_wq = create_workqueue("events");
BUG_ON(!keventd_wq);
+#ifdef CONFIG_SMP
+ work_on_cpu_wq = create_workqueue("work_on_cpu");
+ BUG_ON(!work_on_cpu_wq);
+#endif
}
This is a relatively cheap check but if you care about maximum
performance, say N.
+#
+# Select this config option from the architecture Kconfig, if it
+# it is preferred to always offer frame pointers as a config
+# option on the architecture (regardless of KERNEL_DEBUG):
+#
+config ARCH_WANT_FRAME_POINTERS
+ bool
+ help
+
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
depends on DEBUG_KERNEL && \
Say N here if you want the RCU torture tests to start only
after being manually enabled via /proc.
-config RCU_CPU_STALL_DETECTOR
- bool "Check for stalled CPUs delaying RCU grace periods"
- depends on CLASSIC_RCU
- default n
- help
- This option causes RCU to printk information on which
- CPUs are delaying the current grace period, but only when
- the grace period extends for excessive time periods.
-
- Say Y if you want RCU to perform such checks.
-
- Say N if you are unsure.
-
config RCU_CPU_STALL_DETECTOR
bool "Check for stalled CPUs delaying RCU grace periods"
depends on CLASSIC_RCU || TREE_RCU
select SND_OXYGEN_LIB
help
Say Y here to include support for sound cards based on the
- Asus AV100/AV200 chips, i.e., Xonar D1, DX, D2, D2X and
- HDAV1.3 (Deluxe).
+ Asus AV100/AV200 chips, i.e., Xonar D1, DX, D2 and D2X.
+ Support for the HDAV1.3 (Deluxe) is very experimental.
To compile this driver as a module, choose M here: the module
will be called snd-virtuoso.
SND_PCI_QUIRK(0x1043, 0x835f, "Asus Eee 1601", ALC888_ASUS_EEE1601),
SND_PCI_QUIRK(0x105b, 0x0ce8, "Foxconn P35AX-S", ALC883_6ST_DIG),
SND_PCI_QUIRK(0x105b, 0x6668, "Foxconn", ALC883_6ST_DIG),
+ SND_PCI_QUIRK(0x1071, 0x8227, "Mitac 82801H", ALC883_MITAC),
SND_PCI_QUIRK(0x1071, 0x8253, "Mitac 8252d", ALC883_MITAC),
SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC883_LAPTOP_EAPD),
SND_PCI_QUIRK(0x10f1, 0x2350, "TYAN-S2350", ALC888_6ST_DELL),
SND_PCI_QUIRK(0x1991, 0x5625, "Haier W66", ALC883_HAIER_W66),
SND_PCI_QUIRK(0x8086, 0x0001, "DG33BUC", ALC883_3ST_6ch_INTEL),
SND_PCI_QUIRK(0x8086, 0x0002, "DG33FBC", ALC883_3ST_6ch_INTEL),
+ SND_PCI_QUIRK(0x8086, 0x2503, "82801H", ALC883_MITAC),
SND_PCI_QUIRK(0x8086, 0x0022, "DX58SO", ALC883_3ST_6ch_INTEL),
SND_PCI_QUIRK(0x8086, 0xd601, "D102GGC", ALC883_3ST_6ch),
{}
enum {
STAC_92HD83XXX_REF,
+ STAC_92HD83XXX_PWR_REF,
STAC_92HD83XXX_MODELS
};
};
static unsigned int stac92hd83xxx_pwr_mapping[4] = {
- 0x03, 0x0c, 0x10, 0x40,
+ 0x03, 0x0c, 0x20, 0x40,
};
static hda_nid_t stac92hd83xxx_amp_nids[1] = {
};
static struct hda_verb stac92hd83xxx_core_init[] = {
- /* start of config #1 */
- { 0xe, AC_VERB_SET_CONNECT_SEL, 0x3},
-
- /* start of config #2 */
{ 0xa, AC_VERB_SET_CONNECT_SEL, 0x0},
{ 0xb, AC_VERB_SET_CONNECT_SEL, 0x0},
{ 0xd, AC_VERB_SET_CONNECT_SEL, 0x1},
static struct hda_verb stac925x_core_init[] = {
/* set dac0mux for dac converter */
{ 0x06, AC_VERB_SET_CONNECT_SEL, 0x00},
- /* unmute and set max the selector */
- { 0x0e, AC_VERB_SET_AMP_GAIN_MUTE, 0xb01f },
+ /* mute the master volume */
+ { 0x0e, AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE },
{}
};
};
static struct snd_kcontrol_new stac925x_mixer[] = {
+ HDA_CODEC_VOLUME("Master Playback Volume", 0x0e, 0, HDA_OUTPUT),
+ HDA_CODEC_MUTE("Master Playback Switch", 0x0e, 0, HDA_OUTPUT),
STAC_INPUT_SOURCE(1),
HDA_CODEC_VOLUME("Capture Volume", 0x09, 0, HDA_OUTPUT),
HDA_CODEC_MUTE("Capture Switch", 0x14, 0, HDA_OUTPUT),
static unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = {
[STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs,
+ [STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs,
};
static const char *stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
[STAC_92HD83XXX_REF] = "ref",
+ [STAC_92HD83XXX_PWR_REF] = "mic-ref",
};
static struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
"HP dv5", STAC_HP_M4),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f4,
"HP dv7", STAC_HP_M4),
+ SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30f7,
+ "HP dv4", STAC_HP_DV5),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x30fc,
"HP dv7", STAC_HP_M4),
SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x3603,
err = stac92xx_auto_fill_dac_nids(codec);
if (err < 0)
return err;
+ err = stac92xx_auto_create_multi_out_ctls(codec,
+ &spec->autocfg);
+ if (err < 0)
+ return err;
}
- err = stac92xx_auto_create_multi_out_ctls(codec, &spec->autocfg);
-
- if (err < 0)
- return err;
-
/* setup analog beep controls */
if (spec->anabeep_nid > 0) {
err = stac92xx_auto_create_beep_ctls(codec,
static int patch_stac92hd83xxx(struct hda_codec *codec)
{
struct sigmatel_spec *spec;
+ hda_nid_t conn[STAC92HD83_DAC_COUNT + 1];
int err;
+ int num_dacs;
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
if (spec == NULL)
spec->num_pwrs = ARRAY_SIZE(stac92hd83xxx_pwr_nids);
spec->multiout.dac_nids = spec->dac_nids;
- spec->init = stac92hd83xxx_core_init;
- switch (codec->vendor_id) {
- case 0x111d7605:
- break;
- default:
- spec->num_pwrs--;
- spec->init++; /* switch to config #2 */
- }
+ /* set port 0xe to select the last DAC
+ */
+ num_dacs = snd_hda_get_connections(codec, 0x0e,
+ conn, STAC92HD83_DAC_COUNT + 1) - 1;
+
+ snd_hda_codec_write_cache(codec, 0xe, 0,
+ AC_VERB_SET_CONNECT_SEL, num_dacs);
+
+ spec->init = stac92hd83xxx_core_init;
spec->mixer = stac92hd83xxx_mixer;
spec->num_pins = ARRAY_SIZE(stac92hd83xxx_pin_nids);
spec->num_dmuxes = ARRAY_SIZE(stac92hd83xxx_dmux_nids);
return err;
}
+ switch (codec->vendor_id) {
+ case 0x111d7604:
+ case 0x111d7605:
+ if (spec->board_config == STAC_92HD83XXX_PWR_REF)
+ break;
+ spec->num_pwrs = 0;
+ break;
+ }
+
err = stac92xx_parse_auto_config(codec, 0x1d, 0);
if (!err) {
if (spec->board_config < 0) {
if (chip->uart_input_count >= 2 &&
chip->uart_input[chip->uart_input_count - 2] == 'O' &&
chip->uart_input[chip->uart_input_count - 1] == 'K') {
- printk(KERN_DEBUG "message from Xonar HDAV HDMI chip received:");
+ printk(KERN_DEBUG "message from Xonar HDAV HDMI chip received:\n");
print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
chip->uart_input, chip->uart_input_count);
chip->uart_input_count = 0;
.dac_channels = 8,
.dac_volume_min = 0x0f,
.dac_volume_max = 0xff,
+ .misc_flags = OXYGEN_MISC_MIDI,
.function_flags = OXYGEN_FUNCTION_2WIRE,
.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <mach/hardware.h>
-
#include "atmel-pcm.h"
.startup = mpc8610_hpcd_startup,
};
-/**
- * mpc8610_hpcd_machine: ASoC machine data
- */
-static struct snd_soc_card mpc8610_hpcd_machine = {
- .probe = mpc8610_hpcd_machine_probe,
- .remove = mpc8610_hpcd_machine_remove,
- .name = "MPC8610 HPCD",
- .num_links = 1,
-};
-
/**
* mpc8610_hpcd_probe: OF probe function for the fabric driver
*
machine_data->dai.codec_dai = &cs4270_dai; /* The codec_dai we want */
machine_data->dai.ops = &mpc8610_hpcd_ops;
- mpc8610_hpcd_machine.dai_link = &machine_data->dai;
+ machine_data->machine.probe = mpc8610_hpcd_machine_probe;
+ machine_data->machine.remove = mpc8610_hpcd_machine_remove;
+ machine_data->machine.name = "MPC8610 HPCD";
+ machine_data->machine.num_links = 1;
+ machine_data->machine.dai_link = &machine_data->dai;
/* Allocate a new audio platform device structure */
sound_device = platform_device_alloc("soc-audio", -1);
goto error;
}
- machine_data->sound_devdata.card = &mpc8610_hpcd_machine;
+ machine_data->sound_devdata.card = &machine_data->machine;
machine_data->sound_devdata.codec_dev = &soc_codec_device_cs4270;
machine_data->machine.platform = &fsl_soc_platform;
projects / linux-2.6-omap-h63xx.git / commitdiff