From: Mike Snitzer snitzer@kernel.org
[ Upstream commit e4f80303c2353952e6e980b23914e4214487f2a6 ]
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-thin.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index f3c519e18a12f..c890bb3e51852 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2217,6 +2217,7 @@ 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); } @@ -2299,6 +2300,7 @@ static void process_thin_deferred_cells(struct thin_c *tc) else pool->process_cell(tc, cell); } + cond_resched(); } while (!list_empty(&cells)); }