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authorDavid S. Miller <davem@davemloft.net>2008-04-17 23:56:30 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-17 23:56:30 -0700
commit1e42198609d73ed1a9adcba2af275c24c2678420 (patch)
tree32fd4d9073bfc0f3909af8f9fb4bcff38951d01a /fs/locks.c
parent794eb6bf20ebf992c040ea831cd3a9c64b0c1f7a (diff)
parent4b119e21d0c66c22e8ca03df05d9de623d0eb50f (diff)
downloadtalos-op-linux-1e42198609d73ed1a9adcba2af275c24c2678420.tar.gz
talos-op-linux-1e42198609d73ed1a9adcba2af275c24c2678420.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/locks.c')
-rw-r--r--fs/locks.c48
1 files changed, 28 insertions, 20 deletions
diff --git a/fs/locks.c b/fs/locks.c
index d83fab1b77b5..43c0af21a0c5 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1801,17 +1801,21 @@ again:
if (error)
goto out;
- for (;;) {
- error = vfs_lock_file(filp, cmd, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
+ if (filp->f_op && filp->f_op->lock != NULL)
+ error = filp->f_op->lock(filp, cmd, file_lock);
+ else {
+ for (;;) {
+ error = posix_lock_file(filp, file_lock, NULL);
+ if (error != -EAGAIN || cmd == F_SETLK)
+ break;
+ error = wait_event_interruptible(file_lock->fl_wait,
+ !file_lock->fl_next);
+ if (!error)
+ continue;
- locks_delete_block(file_lock);
- break;
+ locks_delete_block(file_lock);
+ break;
+ }
}
/*
@@ -1925,17 +1929,21 @@ again:
if (error)
goto out;
- for (;;) {
- error = vfs_lock_file(filp, cmd, file_lock, NULL);
- if (error != -EAGAIN || cmd == F_SETLK64)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
+ if (filp->f_op && filp->f_op->lock != NULL)
+ error = filp->f_op->lock(filp, cmd, file_lock);
+ else {
+ for (;;) {
+ error = posix_lock_file(filp, file_lock, NULL);
+ if (error != -EAGAIN || cmd == F_SETLK64)
+ break;
+ error = wait_event_interruptible(file_lock->fl_wait,
+ !file_lock->fl_next);
+ if (!error)
+ continue;
- locks_delete_block(file_lock);
- break;
+ locks_delete_block(file_lock);
+ break;
+ }
}
/*
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