Uses common code for determining if an error should be retried on
alternate path.
Acked-by: Mike Snitzer <snit...@redhat.com>
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Keith Busch <keith.bu...@intel.com>
---
drivers/md/dm-mpath.c | 19 ++-----------------
1 file changed, 2 insertions(+), 17 deletions(-)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index f7810cc869ac..ef57c6d1c887 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1475,21 +1475,6 @@ static void activate_path_work(struct work_struct *work)
activate_or_offline_path(pgpath);
}
-static int noretry_error(blk_status_t error)
-{
- switch (error) {
- case BLK_STS_NOTSUPP:
- case BLK_STS_NOSPC:
- case BLK_STS_TARGET:
- case BLK_STS_NEXUS:
- case BLK_STS_MEDIUM:
- return 1;
- }
-
- /* Anything else could be a path failure, so should be retried */
- return 0;
-}
-
static int multipath_end_io(struct dm_target *ti, struct request *clone,
blk_status_t error, union map_info *map_context)
{
@@ -1508,7 +1493,7 @@ static int multipath_end_io(struct dm_target *ti, struct
request *clone,
* request into dm core, which will remake a clone request and
* clone bios for it and resubmit it later.
*/
- if (error && !noretry_error(error)) {
+ if (error && blk_path_error(error)) {
struct multipath *m = ti->private;
r = DM_ENDIO_REQUEUE;
@@ -1544,7 +1529,7 @@ static int multipath_end_io_bio(struct dm_target *ti,
struct bio *clone,
unsigned long flags;
int r = DM_ENDIO_DONE;
- if (!*error || noretry_error(*error))
+ if (!*error || !blk_path_error(*error))
goto done;
if (pgpath)
--
2.13.6
--
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