A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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dm cache policy smq: put newly promoted entries at the top of the multiqueue

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This stops entries bouncing in and out of the cache quickly.

Signed-off-by: Joe Thornber <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
This commit is contained in:
Joe Thornber 2017-05-11 05:11:06 -04:00 • committed by Mike Snitzer
commit 4d44ec5ab7
1 changed files with 1 additions and 0 deletions
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1
drivers/md/dm-cache-policy-smq.c
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@ -1452,6 +1452,7 @@ static void __complete_background_work(struct smq_policy *mq,
clear_pending(mq, e);
if (success) {
e->oblock = work->oblock;
e->level = NR_CACHE_LEVELS - 1;
push(mq, e);
// h, q, a
} else {