]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/locks.c
PCI: add routines for debugging and handling lost interrupts
[linux-2.6-omap-h63xx.git] / fs / locks.c
index 6222e4b580e283728025181690b9528448e74e09..20457486d6b2a95e67783f220b89f8cb19e22d3e 100644 (file)
@@ -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);
@@ -1747,21 +1748,16 @@ static int do_lock_file_wait(struct file *filp, unsigned int cmd,
        if (error)
                return error;
 
-       if (filp->f_op && filp->f_op->lock != NULL)
-               error = filp->f_op->lock(filp, cmd, fl);
-       else {
-               for (;;) {
-                       error = posix_lock_file(filp, fl, NULL);
-                       if (error != FILE_LOCK_DEFERRED)
-                               break;
-                       error = wait_event_interruptible(fl->fl_wait,
-                                                        !fl->fl_next);
-                       if (!error)
-                               continue;
-
-                       locks_delete_block(fl);
+       for (;;) {
+               error = vfs_lock_file(filp, cmd, fl, NULL);
+               if (error != FILE_LOCK_DEFERRED)
                        break;
-               }
+               error = wait_event_interruptible(fl->fl_wait, !fl->fl_next);
+               if (!error)
+                       continue;
+
+               locks_delete_block(fl);
+               break;
        }
 
        return error;