diff options
| author | Christoph Hellwig <hch@lst.de> | 2022-02-09 09:28:27 +0100 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-02-22 21:11:08 -0500 |
| commit | a773187e37fa5c3bcd92ffda9085707df34f903a (patch) | |
| tree | 71389a9211836c9b3c3c32b74ffca93285f1450b /drivers/md/dm.c | |
| parent | 10fa225c33a97385f2843e60b8e86b0ce0cd1e5f (diff) | |
scsi: dm: Remove WRITE_SAME support
There are no more end-users of REQ_OP_WRITE_SAME left, so we can start
deleting it.
Link: https://lore.kernel.org/r/20220209082828.2629273-7-hch@lst.de
Reviewed-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index c0ae8087c602..79e273924afd 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -855,14 +855,6 @@ void disable_discard(struct mapped_device *md) blk_queue_flag_clear(QUEUE_FLAG_DISCARD, md->queue); } -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; -} - void disable_write_zeroes(struct mapped_device *md) { struct queue_limits *limits = dm_get_queue_limits(md); @@ -889,9 +881,6 @@ static void clone_endio(struct bio *bio) if (bio_op(bio) == REQ_OP_DISCARD && !q->limits.max_discard_sectors) disable_discard(md); - else if (bio_op(bio) == REQ_OP_WRITE_SAME && - !q->limits.max_write_same_sectors) - disable_write_same(md); else if (bio_op(bio) == REQ_OP_WRITE_ZEROES && !q->limits.max_write_zeroes_sectors) disable_write_zeroes(md); @@ -1370,7 +1359,6 @@ static bool is_abnormal_io(struct bio *bio) switch (bio_op(bio)) { case REQ_OP_DISCARD: case REQ_OP_SECURE_ERASE: - case REQ_OP_WRITE_SAME: case REQ_OP_WRITE_ZEROES: r = true; break; @@ -1392,9 +1380,6 @@ static bool __process_abnormal_io(struct clone_info *ci, struct dm_target *ti, case REQ_OP_SECURE_ERASE: num_bios = ti->num_secure_erase_bios; break; - case REQ_OP_WRITE_SAME: - num_bios = ti->num_write_same_bios; - break; case REQ_OP_WRITE_ZEROES: num_bios = ti->num_write_zeroes_bios; break; |