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authorJens Axboe <axboe@kernel.dk>2013-12-31 17:51:02 +0100
committerJens Axboe <axboe@kernel.dk>2013-12-31 17:51:02 +0100
commitb28bc9b38c52f63f43e3fd875af982f2240a2859 (patch)
tree76cdb7b52b58f5685993cc15ed81d1c903023358 /drivers/md/dm-cache-policy-mq.c
parentdm cache: increment bi_remaining when bi_end_io is restored (diff)
parentLinux 3.13-rc6 (diff)
downloadlinux-b28bc9b38c52f63f43e3fd875af982f2240a2859.tar.xz
linux-b28bc9b38c52f63f43e3fd875af982f2240a2859.zip
Merge tag 'v3.13-rc6' into for-3.14/core
Needed to bring blk-mq uptodate, since changes have been going in since for-3.14/core was established. Fixup merge issues related to the immutable biovec changes. Signed-off-by: Jens Axboe <axboe@kernel.dk> Conflicts: block/blk-flush.c fs/btrfs/check-integrity.c fs/btrfs/extent_io.c fs/btrfs/scrub.c fs/logfs/dev_bdev.c
Diffstat (limited to 'drivers/md/dm-cache-policy-mq.c')
-rw-r--r--drivers/md/dm-cache-policy-mq.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/md/dm-cache-policy-mq.c b/drivers/md/dm-cache-policy-mq.c
index bfba97dcde2d..d13a16865d03 100644
--- a/drivers/md/dm-cache-policy-mq.c
+++ b/drivers/md/dm-cache-policy-mq.c
@@ -730,15 +730,18 @@ static int pre_cache_entry_found(struct mq_policy *mq, struct entry *e,
int r = 0;
bool updated = updated_this_tick(mq, e);
- requeue_and_update_tick(mq, e);
-
if ((!discarded_oblock && updated) ||
- !should_promote(mq, e, discarded_oblock, data_dir))
+ !should_promote(mq, e, discarded_oblock, data_dir)) {
+ requeue_and_update_tick(mq, e);
result->op = POLICY_MISS;
- else if (!can_migrate)
+
+ } else if (!can_migrate)
r = -EWOULDBLOCK;
- else
+
+ else {
+ requeue_and_update_tick(mq, e);
r = pre_cache_to_cache(mq, e, result);
+ }
return r;
}