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File locking fix for v5.9.

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Merge tag 'filelock-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux

Pull file locking fix from Jeff Layton:
 "Just a single, one-line patch to fix an inefficiency in the posix
  locking code that can lead to it doing more wakeups than necessary"

* tag 'filelock-v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
  locks: add locks_move_blocks in posix_lock_inode
This commit is contained in:
Linus Torvalds 2020-08-03 10:46:41 -07:00
parent ab5c60b79a 5ef1596813
commit 3208167a86
1 changed files with 1 additions and 0 deletions
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1
fs/locks.c
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@ -1282,6 +1282,7 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request,
if (!new_fl)
goto out;
locks_copy_lock(new_fl, request);
locks_move_blocks(new_fl, request);
request = new_fl;
new_fl = NULL;
locks_insert_lock_ctx(request, &fl->fl_list);