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-rw-r--r--drivers/md/dm-mpath.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index f31fa1364abc..e477af8596e2 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1530,6 +1530,14 @@ static void activate_path(struct work_struct *work)
static int noretry_error(int error)
{
switch (error) {
+ case -EBADE:
+ /*
+ * EBADE signals an reservation conflict.
+ * We shouldn't fail the path here as we can communicate with
+ * the target. We should failover to the next path, but in
+ * doing so we might be causing a ping-pong between paths.
+ * So just return the reservation conflict error.
+ */
case -EOPNOTSUPP:
case -EREMOTEIO:
case -EILSEQ:
@@ -1574,9 +1582,6 @@ static int do_end_io(struct multipath *m, struct request *clone,
if (!test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags)) {
if (!must_push_back_rq(m))
r = -EIO;
- } else {
- if (error == -EBADE)
- r = error;
}
}
@@ -1625,9 +1630,6 @@ static int do_end_io_bio(struct multipath *m, struct bio *clone,
if (!must_push_back_bio(m))
return -EIO;
return DM_ENDIO_REQUEUE;
- } else {
- if (error == -EBADE)
- return error;
}
}