diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/dm-mpath.c | 11 | ||||
| -rw-r--r-- | drivers/md/dm.c | 16 |
2 files changed, 17 insertions, 10 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index ebfa411d1a7d..3f6fd9d33ba3 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1242,17 +1242,8 @@ static int do_end_io(struct multipath *m, struct request *clone, if (!error && !clone->errors) return 0; /* I/O complete */ - if (noretry_error(error)) { - if ((clone->cmd_flags & REQ_WRITE_SAME) && - !clone->q->limits.max_write_same_sectors) { - struct queue_limits *limits; - - /* device doesn't really support WRITE SAME, disable it */ - limits = dm_get_queue_limits(dm_table_get_md(m->ti->table)); - limits->max_write_same_sectors = 0; - } + if (noretry_error(error)) return error; - } if (mpio->pgpath) fail_path(mpio->pgpath); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 97940fc8c302..3234a753a80d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -755,6 +755,14 @@ static void dec_pending(struct dm_io *io, int error) } } +static void disable_write_same(struct mapped_device *md) +{ + struct queue_limits *limits = dm_get_queue_limits(md); + + /* device doesn't really support WRITE SAME, disable it */ + limits->max_write_same_sectors = 0; +} + static void clone_endio(struct bio *bio, int error) { int r = 0; @@ -783,6 +791,10 @@ static void clone_endio(struct bio *bio, int error) } } + if (unlikely(r == -EREMOTEIO && (bio->bi_rw & REQ_WRITE_SAME) && + !bdev_get_queue(bio->bi_bdev)->limits.max_write_same_sectors)) + disable_write_same(md); + free_tio(md, tio); dec_pending(io, error); } @@ -977,6 +989,10 @@ static void dm_done(struct request *clone, int error, bool mapped) r = rq_end_io(tio->ti, clone, error, &tio->info); } + if (unlikely(r == -EREMOTEIO && (clone->cmd_flags & REQ_WRITE_SAME) && + !clone->q->limits.max_write_same_sectors)) + disable_write_same(tio->md); + if (r <= 0) /* The target wants to complete the I/O */ dm_end_request(clone, r); |