diff options
Diffstat (limited to 'drivers/md/dm-cache-policy-smq.c')
| -rw-r--r-- | drivers/md/dm-cache-policy-smq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index 55a657f78f00..66feb307e697 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1581,7 +1581,7 @@ static dm_cblock_t smq_residency(struct dm_cache_policy *p) return r; } -static void smq_tick(struct dm_cache_policy *p) +static void smq_tick(struct dm_cache_policy *p, bool can_block) { struct smq_policy *mq = to_smq_policy(p); unsigned long flags; @@ -1589,6 +1589,12 @@ static void smq_tick(struct dm_cache_policy *p) spin_lock_irqsave(&mq->tick_lock, flags); mq->tick_protected++; spin_unlock_irqrestore(&mq->tick_lock, flags); + + if (can_block) { + mutex_lock(&mq->lock); + copy_tick(mq); + mutex_unlock(&mq->lock); + } } /* Init the policy plugin interface function pointers. */ |