Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 6.2 56/60] dm cache: add cond_resched() to various workqueue loops | Date | Sun, 26 Feb 2023 21:00:41 -0500 |
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From: Mike Snitzer <snitzer@kernel.org>
[ Upstream commit 76227f6dc805e9e960128bcc6276647361e0827c ]
Otherwise on resource constrained systems these workqueues may be too greedy.
Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/md/dm-cache-target.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 5e92fac90b675..17fde3e5a1f7b 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -1805,6 +1805,7 @@ static void process_deferred_bios(struct work_struct *ws) else commit_needed = process_bio(cache, bio) || commit_needed; + cond_resched(); } if (commit_needed) @@ -1827,6 +1828,7 @@ static void requeue_deferred_bios(struct cache *cache) while ((bio = bio_list_pop(&bios))) { bio->bi_status = BLK_STS_DM_REQUEUE; bio_endio(bio); + cond_resched(); } } @@ -1867,6 +1869,8 @@ static void check_migrations(struct work_struct *ws) r = mg_start(cache, op, NULL); if (r) break; + + cond_resched(); } } -- 2.39.0
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