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-rw-r--r--drivers/md/dm-mpath.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 1e97b3c12bd..0c1b8520ef8 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -985,6 +985,9 @@ static int do_end_io(struct multipath *m, struct bio *bio,
if (!error)
return 0; /* I/O complete */
+ if ((error == -EWOULDBLOCK) && bio_rw_ahead(bio))
+ return error;
+
spin_lock(&m->lock);
if (!m->nr_valid_paths) {
if (!m->queue_if_no_path || m->suspended) {