Fix a lockdep warning in fasync_helper()
commit4a6a4499693a419a20559c41e33a7bd70bf20a6f
authorJonathan Corbet <corbet@lwn.net>
Fri, 27 Mar 2009 18:24:31 +0000 (27 12:24 -0600)
committerJonathan Corbet <corbet@lwn.net>
Mon, 30 Mar 2009 14:00:24 +0000 (30 08:00 -0600)
tree7a89d08f0b2f19e1b84b38869596c8a84ab6f583
parent996ff68d8b358885c1de82a45517c607999947c7
Fix a lockdep warning in fasync_helper()

Lockdep gripes if file->f_lock is taken in a no-IRQ situation, since that
is not always the case.  We don't really want to disable IRQs for every
acquisition of f_lock; instead, just move it outside of fasync_lock.

Reported-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
fs/fcntl.c
include/linux/fs.h