Commit e4f80303 authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm thin: add cond_resched() to various workqueue loops 



Otherwise on resource constrained systems these workqueues may be too
greedy.

Signed-off-by: default avatarMike Snitzer <snitzer@kernel.org>
parent f77692d6

drivers/md/dm-thin.c

+2 −0
Original line number Diff line number Diff line
@@ -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));

}