Properly notify block layer of sync writes

[linux-2.6-omap-h63xx.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index d6d7c52055c69c633a8251181b278037aa7be166..d8e2762ed14df21bb05c50fde55158d6ec42bd5e 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -83,6 +83,7 @@ extern int dir_notify_enable;
 #define READ_SYNC      (READ | (1 << BIO_RW_SYNC))
 #define READ_META      (READ | (1 << BIO_RW_META))
 #define WRITE_SYNC     (WRITE | (1 << BIO_RW_SYNC))
+#define SWRITE_SYNC    (SWRITE | (1 << BIO_RW_SYNC))
 #define WRITE_BARRIER  ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
 
 #define SEL_IN         1
@@ -474,8 +475,8 @@ struct address_space_operations {
        int (*releasepage) (struct page *, gfp_t);
        ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov,
                        loff_t offset, unsigned long nr_segs);
-       struct page* (*get_xip_page)(struct address_space *, sector_t,
-                       int);
+       int (*get_xip_mem)(struct address_space *, pgoff_t, int,
+                                               void **, unsigned long *);
        /* migrate the contents of a page to the specified target */
        int (*migratepage) (struct address_space *,
                        struct page *, struct page *);
@@ -894,8 +895,6 @@ static inline int file_check_writeable(struct file *filp)
 typedef struct files_struct *fl_owner_t;
 
 struct file_lock_operations {
-       void (*fl_insert)(struct file_lock *);  /* lock insertion callback */
-       void (*fl_remove)(struct file_lock *);  /* lock removal callback */
        void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
        void (*fl_release_private)(struct file_lock *);
 };
@@ -1178,7 +1177,8 @@ struct block_device_operations {
        int (*ioctl) (struct inode *, struct file *, unsigned, unsigned long);
        long (*unlocked_ioctl) (struct file *, unsigned, unsigned long);
        long (*compat_ioctl) (struct file *, unsigned, unsigned long);
-       int (*direct_access) (struct block_device *, sector_t, unsigned long *);
+       int (*direct_access) (struct block_device *, sector_t,
+                                               void **, unsigned long *);
        int (*media_changed) (struct gendisk *);
        int (*revalidate_disk) (struct gendisk *);
        int (*getgeo)(struct block_device *, struct hd_geometry *);
@@ -1288,17 +1288,12 @@ extern ssize_t vfs_readv(struct file *, const struct iovec __user *,
 extern ssize_t vfs_writev(struct file *, const struct iovec __user *,
                unsigned long, loff_t *);
 
-/*
- * NOTE: write_inode, delete_inode, clear_inode, put_inode can be called
- * without the big kernel lock held in all filesystems.
- */
 struct super_operations {
        struct inode *(*alloc_inode)(struct super_block *sb);
        void (*destroy_inode)(struct inode *);
 
        void (*dirty_inode) (struct inode *);
        int (*write_inode) (struct inode *, int);
-       void (*put_inode) (struct inode *);
        void (*drop_inode) (struct inode *);
        void (*delete_inode) (struct inode *);
        void (*put_super) (struct super_block *);
@@ -1520,7 +1515,6 @@ extern int get_sb_pseudo(struct file_system_type *, char *,
        const struct super_operations *ops, unsigned long,
        struct vfsmount *mnt);
 extern int simple_set_mnt(struct vfsmount *mnt, struct super_block *sb);
-int __put_super(struct super_block *sb);
 int __put_super_and_need_restart(struct super_block *sb);
 void unnamed_dev_init(void);
 
@@ -1821,7 +1815,6 @@ extern void iget_failed(struct inode *);
 extern void clear_inode(struct inode *);
 extern void destroy_inode(struct inode *);
 extern struct inode *new_inode(struct super_block *);
-extern int __remove_suid(struct dentry *, int);
 extern int should_remove_suid(struct dentry *);
 extern int remove_suid(struct dentry *);
 
@@ -1964,7 +1957,6 @@ extern int vfs_stat_fd(int dfd, char __user *, struct kstat *);
 extern int vfs_lstat_fd(int dfd, char __user *, struct kstat *);
 extern int vfs_fstat(unsigned int, struct kstat *);
 
-extern long vfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
                    unsigned long arg);
 
@@ -2007,7 +1999,10 @@ extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
 extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count);
 extern void simple_release_fs(struct vfsmount **mount, int *count);
 
-extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
+extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
+                       loff_t *ppos, const void *from, size_t available);
+extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
+                       const void *from, size_t available);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,