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| author | Jens Axboe <axboe@kernel.dk> | 2013-05-17 11:58:43 +0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-10-25 14:55:59 +0400 |
| commit | c84a83e2aaab02a5ca64a982aa55342784934479 (patch) | |
| tree | 405880cd8121ba0fb1905549cc992071d27c6ca4 /block | |
| parent | e3daab6ce467199ffea12fc1b2df8f61335ce1ca (diff) | |
| download | linux-c84a83e2aaab02a5ca64a982aa55342784934479.tar.xz | |
smp: don't warn about csd->flags having CSD_FLAG_LOCK cleared for !wait
blk-mq reuses the request potentially immediately, since the most
cache hot is always given out first. This means that rq->csd could
be reused between csd->func() being called and csd_unlock() being
called. This isn't a problem, since we never use wait == 1 for
the smp call function. Add CSD_FLAG_WAIT to be able to tell the
difference, retaining the warning for other cases.
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions