summaryrefslogtreecommitdiff
path: root/mm/cleancache.c
diff options
context:
space:
mode:
authorMichel Lespinasse <walken@google.com>2013-05-07 06:45:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-07 07:20:16 -0700
commita7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c (patch)
tree1494f94f71a299d32a3584565a538e5ffdef1163 /mm/cleancache.c
parent5ede972df1cd9294c82e9515949fd2103be81d7b (diff)
downloadlinux-3.10-a7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c.tar.gz
linux-3.10-a7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c.tar.bz2
linux-3.10-a7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c.zip
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>
Diffstat (limited to 'mm/cleancache.c')
0 files changed, 0 insertions, 0 deletions