diff options
| author | Miklos Szeredi <miklos@szeredi.hu> | 2006-06-23 11:05:11 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-23 16:43:02 +0200 |
| commit | ff7b86b82083f24b8637dff1528c7101c18c7f39 (patch) | |
| tree | be80c94e4c1410b51190b617fa27caf33b0ba60b | |
| parent | [PATCH] locks: don't do unnecessary allocations (diff) | |
| download | linux-ff7b86b82083f24b8637dff1528c7101c18c7f39.tar.xz linux-ff7b86b82083f24b8637dff1528c7101c18c7f39.zip | |
[PATCH] locks: clean up locks_remove_posix()
locks_remove_posix() can use posix_lock_file() instead of doing the lock
removal by hand. posix_lock_file() now does exacly the same.
The comment about pids no longer applies, posix_lock_file() takes only the
owner into account.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/locks.c | 25 |
1 files changed, 5 insertions, 20 deletions
diff --git a/fs/locks.c b/fs/locks.c index 2344f241c687..e588e1c265f7 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -1896,15 +1896,14 @@ out: */ void locks_remove_posix(struct file *filp, fl_owner_t owner) { - struct file_lock lock, **before; + struct file_lock lock; /* * If there are no locks held on this file, we don't need to call * posix_lock_file(). Another process could be setting a lock on this * file at the same time, but we wouldn't remove that lock anyway. */ - before = &filp->f_dentry->d_inode->i_flock; - if (*before == NULL) + if (!filp->f_dentry->d_inode->i_flock) return; lock.fl_type = F_UNLCK; @@ -1917,25 +1916,11 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner) lock.fl_ops = NULL; lock.fl_lmops = NULL; - if (filp->f_op && filp->f_op->lock != NULL) { + if (filp->f_op && filp->f_op->lock != NULL) filp->f_op->lock(filp, F_SETLK, &lock); - goto out; - } + else + posix_lock_file(filp, &lock); - /* Can't use posix_lock_file here; we need to remove it no matter - * which pid we have. - */ - lock_kernel(); - while (*before != NULL) { - struct file_lock *fl = *before; - if (IS_POSIX(fl) && posix_same_owner(fl, &lock)) { - locks_delete_lock(before); - continue; - } - before = &fl->fl_next; - } - unlock_kernel(); -out: if (lock.fl_ops && lock.fl_ops->fl_release_private) lock.fl_ops->fl_release_private(&lock); } |