| commit | a7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c | [log] [tgz] |
|---|---|---|
| author | Michel Lespinasse <walken@google.com> | Tue May 07 06:45:56 2013 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Tue May 07 07:20:16 2013 -0700 |
| tree | 1494f94f71a299d32a3584565a538e5ffdef1163 | |
| parent | 5ede972df1cd9294c82e9515949fd2103be81d7b [diff] |
rwsem: avoid taking wait_lock in rwsem_down_write_failed In rwsem_down_write_failed(), if there are active locks after we wake up (i.e. the lock got stolen from us), skip taking the wait_lock and go back to sleep immediately. Signed-off-by: Michel Lespinasse <walken@google.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>