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@xxxxxxxxxx>
Index: linux/fs/locks.c
===================================================================
--- linux.orig/fs/locks.c 2006-04-09 11:10:01.000000000 +0200
+++ linux/fs/locks.c 2006-04-09 11:17:58.000000000 +0200
@@ -1891,15 +1891,14 @@ 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;
@@ -1912,25 +1911,11 @@ void locks_remove_posix(struct file *fil
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);
}
-
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