From e4f80303c2353952e6e980b23914e4214487f2a6 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Thu, 16 Feb 2023 15:29:44 -0500 Subject: [PATCH] dm thin: add cond_resched() to various workqueue loops Otherwise on resource constrained systems these workqueues may be too greedy. Signed-off-by: Mike Snitzer --- drivers/md/dm-thin.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index affd91a..6cd105c 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2209,6 +2209,7 @@ static void process_thin_deferred_bios(struct thin_c *tc) throttle_work_update(&pool->throttle); dm_pool_issue_prefetches(pool->pmd); } + cond_resched(); } blk_finish_plug(&plug); } @@ -2291,6 +2292,7 @@ static void process_thin_deferred_cells(struct thin_c *tc) else pool->process_cell(tc, cell); } + cond_resched(); } while (!list_empty(&cells)); } -- 2.7.4