diff mbox series

[3/6] dm thin: add cond_resched() to various workqueue loops

Message ID 20230217200737.12481-4-snitzer@kernel.org (mailing list archive)
State Accepted, archived
Delegated to: Mike Snitzer
Headers show
Series dm: some changes just staged for 6.3 | expand

Commit Message

Mike Snitzer Feb. 17, 2023, 8:07 p.m. UTC 
Otherwise on resource constrained systems these workqueues may be too
greedy.

Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---
 drivers/md/dm-thin.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index affd91a53042..6cd105c1cef3 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));
 }