diff options
author | Michel Lespinasse <[email protected]> | 2013-05-07 06:45:56 -0700 |
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committer | Linus Torvalds <[email protected]> | 2013-05-07 07:20:16 -0700 |
commit | a7d2c573ae7fad1b2c877d1a1342fa5bb0d6478c (patch) | |
tree | 1494f94f71a299d32a3584565a538e5ffdef1163 /lib/mpi/mpi-bit.c | |
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 <[email protected]>
Reviewed-by: Peter Hurley <[email protected]>
Acked-by: Davidlohr Bueso <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-bit.c')
0 files changed, 0 insertions, 0 deletions