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| author | Jens Axboe <axboe@suse.de> | 2006-01-10 12:48:02 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-10 19:37:08 +0300 |
| commit | daef265f1590cf3e6de989d074041a280c82d58b (patch) | |
| tree | 3d869c801561f9bfafa6dabd30211379cd0bb55d | |
| parent | 00d6da9b4d6707b808481372537adb0fb38f99b3 (diff) | |
| download | linux-daef265f1590cf3e6de989d074041a280c82d58b.tar.xz | |
[PATCH] dm: don't enable bouncing by default
DM doesn't need to bounce bio's on its own, but the block layer defaults
to that in blk_queue_make_request(). The lower level drivers should
bounce ios themselves, that is what they need to do if not layered below
dm anyways.
Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/md/dm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 5c210b0a4cb0..097d1e540090 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -768,6 +768,7 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent) md->queue->backing_dev_info.congested_fn = dm_any_congested; md->queue->backing_dev_info.congested_data = md; blk_queue_make_request(md->queue, dm_request); + blk_queue_bounce_limit(md->queue, BLK_BOUNCE_ANY); md->queue->unplug_fn = dm_unplug_all; md->queue->issue_flush_fn = dm_flush_all; |