When using the block layer in single queue mode, get_request()
returns ERR_PTR(-EAGAIN) if the queue is dying and the REQ_NOWAIT
flag has been passed to get_request(). Avoid that the kernel
reports soft lockup complaints in this case due to continuous
requeuing activity.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
Cc: Laurence Oberman <loberman@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
---
drivers/md/dm-mpath.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 0e8ab5bb3575..0baa461eccaa 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -504,7 +504,6 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq,
if (queue_dying) {
atomic_inc(&m->pg_init_in_progress);
activate_or_offline_path(pgpath);
- return DM_MAPIO_REQUEUE;
}
return DM_MAPIO_DELAY_REQUEUE;
}
--
2.13.3