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| author | Jonathan Corbet <corbet@lwn.net> | 2009-03-27 12:24:31 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2009-03-30 08:00:24 -0600 |
| commit | 4a6a4499693a419a20559c41e33a7bd70bf20a6f (patch) | |
| tree | 7a89d08f0b2f19e1b84b38869596c8a84ab6f583 /include/linux/fs.h | |
| parent | 996ff68d8b358885c1de82a45517c607999947c7 (diff) | |
| download | op-kernel-dev-4a6a4499693a419a20559c41e33a7bd70bf20a6f.zip op-kernel-dev-4a6a4499693a419a20559c41e33a7bd70bf20a6f.tar.gz | |
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>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 7428c6d..2f13c1d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -848,7 +848,7 @@ struct file { #define f_dentry f_path.dentry #define f_vfsmnt f_path.mnt const struct file_operations *f_op; - spinlock_t f_lock; /* f_ep_links, f_flags */ + spinlock_t f_lock; /* f_ep_links, f_flags, no IRQ */ atomic_long_t f_count; unsigned int f_flags; fmode_t f_mode; |
