diff options
| author | Keith Busch <keith.busch@intel.com> | 2018-01-09 12:04:18 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-01-10 10:52:20 -0700 |
| commit | a1275677f8cd060bb8824fda66781d431560c714 (patch) | |
| tree | 124cff99d2f5f3bd5f1d6efac985ba3d86bcabfe /drivers/md/dm-mpath.c | |
| parent | e1f425e770d21a34f51d7284e55f3fa984f8e275 (diff) | |
| download | blackbird-op-linux-a1275677f8cd060bb8824fda66781d431560c714.tar.gz blackbird-op-linux-a1275677f8cd060bb8824fda66781d431560c714.zip | |
dm mpath: Use blk_path_error
Uses common code for determining if an error should be retried on
alternate path.
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/dm-mpath.c')
| -rw-r--r-- | drivers/md/dm-mpath.c | 19 |
1 files 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) |
