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| author | Jens Axboe <jens.axboe@oracle.com> | 2008-04-29 19:12:35 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-29 10:21:12 -0700 |
| commit | c9a3f6d6f541915bd7451fc7e9cb23a8b33a3ab8 (patch) | |
| tree | 3d6d54e43b4bd7d5409bc47837e72b45788da1d4 | |
| parent | a217656cb26c5b7ebe9900354b2e808c1f74b470 (diff) | |
| download | linux-c9a3f6d6f541915bd7451fc7e9cb23a8b33a3ab8.tar.gz linux-c9a3f6d6f541915bd7451fc7e9cb23a8b33a3ab8.tar.bz2 linux-c9a3f6d6f541915bd7451fc7e9cb23a8b33a3ab8.zip | |
dm: use unlocked variants of queue flag check/set
dm.c already provides mutual exclusion through ->map_lock.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/md/dm-table.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 73326e7c54bf..94116eaf4709 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -873,13 +873,11 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q) q->max_hw_sectors = t->limits.max_hw_sectors; q->seg_boundary_mask = t->limits.seg_boundary_mask; q->bounce_pfn = t->limits.bounce_pfn; - /* XXX: the below will probably go bug. must ensure there can be no - * concurrency on queue_flags, and use the unlocked versions... - */ + if (t->limits.no_cluster) - queue_flag_clear(QUEUE_FLAG_CLUSTER, q); + queue_flag_clear_unlocked(QUEUE_FLAG_CLUSTER, q); else - queue_flag_set(QUEUE_FLAG_CLUSTER, q); + queue_flag_set_unlocked(QUEUE_FLAG_CLUSTER, q); } |