UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Keith Busch 2018-01-09 12:04:18 -07:00 committed by Jens Axboe
parent e1f425e770
commit a1275677f8
1 changed files with 2 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/md/dm-mpath.c
View File

@ -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)