Merge branch 'proc' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/proc

[linux-2.6-omap-h63xx.git] / fs / locks.c

diff --git a/fs/locks.c b/fs/locks.c
index 01490300f7cbd7f6257f38b9de6ff34b5ce6f78d..09062e3ff104d7222d4725d757c5493da3ad68fa 100644 (file)
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -201,7 +201,7 @@ EXPORT_SYMBOL(locks_init_lock);
  * Initialises the fields of the file lock which are invariant for
  * free file_locks.
  */
-static void init_once(struct kmem_cache *cache, void *foo)
+static void init_once(void *foo)
 {
        struct file_lock *lock = (struct file_lock *) foo;
 
@@ -1580,7 +1580,8 @@ asmlinkage long sys_flock(unsigned int fd, unsigned int cmd)
        cmd &= ~LOCK_NB;
        unlock = (cmd == LOCK_UN);
 
-       if (!unlock && !(cmd & LOCK_MAND) && !(filp->f_mode & 3))
+       if (!unlock && !(cmd & LOCK_MAND) &&
+           !(filp->f_mode & (FMODE_READ|FMODE_WRITE)))
                goto out_putf;
 
        error = flock_make_lock(filp, &lock, cmd);
@@ -2078,6 +2079,7 @@ int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
 EXPORT_SYMBOL_GPL(vfs_cancel_lock);
 
 #ifdef CONFIG_PROC_FS
+#include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
 static void lock_get_status(struct seq_file *f, struct file_lock *fl,
@@ -2183,12 +2185,31 @@ static void locks_stop(struct seq_file *f, void *v)
        unlock_kernel();
 }
 
-struct seq_operations locks_seq_operations = {
+static const struct seq_operations locks_seq_operations = {
        .start  = locks_start,
        .next   = locks_next,
        .stop   = locks_stop,
        .show   = locks_show,
 };
+
+static int locks_open(struct inode *inode, struct file *filp)
+{
+       return seq_open(filp, &locks_seq_operations);
+}
+
+static const struct file_operations proc_locks_operations = {
+       .open           = locks_open,
+       .read           = seq_read,
+       .llseek         = seq_lseek,
+       .release        = seq_release,
+};
+
+static int __init proc_locks_init(void)
+{
+       proc_create("locks", 0, NULL, &proc_locks_operations);
+       return 0;
+}
+module_init(proc_locks_init);
 #endif
 
 /**