diff options
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 3 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 2 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 6 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_req.c | 7 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_worker.c | 4 |
5 files changed, 15 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 92c60cbd04ee..8e62d9f65510 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1668,7 +1668,8 @@ static u32 bio_flags_to_wire(struct drbd_connection *connection, (bio->bi_opf & REQ_FUA ? DP_FUA : 0) | (bio->bi_opf & REQ_PREFLUSH ? DP_FLUSH : 0) | (bio_op(bio) == REQ_OP_WRITE_SAME ? DP_WSAME : 0) | - (bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0); + (bio_op(bio) == REQ_OP_DISCARD ? DP_DISCARD : 0) | + (bio_op(bio) == REQ_OP_WRITE_ZEROES ? DP_DISCARD : 0); else return bio->bi_opf & REQ_SYNC ? DP_RW_SYNC : 0; } diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 908c704e20aa..e4516d3b971d 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -1217,10 +1217,12 @@ static void decide_on_discard_support(struct drbd_device *device, blk_queue_discard_granularity(q, 512); q->limits.max_discard_sectors = drbd_max_discard_sectors(connection); queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); + q->limits.max_write_zeroes_sectors = drbd_max_discard_sectors(connection); } else { queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, q); blk_queue_discard_granularity(q, 0); q->limits.max_discard_sectors = 0; + q->limits.max_write_zeroes_sectors = 0; } } diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index bc1d296581f9..1b0a2be24f39 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -2285,7 +2285,7 @@ static unsigned long wire_flags_to_bio_flags(u32 dpf) static unsigned long wire_flags_to_bio_op(u32 dpf) { if (dpf & DP_DISCARD) - return REQ_OP_DISCARD; + return REQ_OP_WRITE_ZEROES; else return REQ_OP_WRITE; } @@ -2476,7 +2476,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * op_flags = wire_flags_to_bio_flags(dp_flags); if (pi->cmd == P_TRIM) { D_ASSERT(peer_device, peer_req->i.size > 0); - D_ASSERT(peer_device, op == REQ_OP_DISCARD); + D_ASSERT(peer_device, op == REQ_OP_WRITE_ZEROES); D_ASSERT(peer_device, peer_req->pages == NULL); } else if (peer_req->pages == NULL) { D_ASSERT(device, peer_req->i.size == 0); @@ -4789,7 +4789,7 @@ static int receive_rs_deallocated(struct drbd_connection *connection, struct pac if (get_ldev(device)) { struct drbd_peer_request *peer_req; - const int op = REQ_OP_DISCARD; + const int op = REQ_OP_WRITE_ZEROES; peer_req = drbd_alloc_peer_req(peer_device, ID_SYNCER, sector, size, 0, GFP_NOIO); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index 6da9ea8c48b6..b5730e17b455 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -59,6 +59,7 @@ static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio drbd_req_make_private_bio(req, bio_src); req->rq_state = (bio_data_dir(bio_src) == WRITE ? RQ_WRITE : 0) | (bio_op(bio_src) == REQ_OP_WRITE_SAME ? RQ_WSAME : 0) + | (bio_op(bio_src) == REQ_OP_WRITE_ZEROES ? RQ_UNMAP : 0) | (bio_op(bio_src) == REQ_OP_DISCARD ? RQ_UNMAP : 0); req->device = device; req->master_bio = bio_src; @@ -1180,7 +1181,8 @@ drbd_submit_req_private_bio(struct drbd_request *req) if (get_ldev(device)) { if (drbd_insert_fault(device, type)) bio_io_error(bio); - else if (bio_op(bio) == REQ_OP_DISCARD) + else if (bio_op(bio) == REQ_OP_WRITE_ZEROES || + bio_op(bio) == REQ_OP_DISCARD) drbd_process_discard_req(req); else generic_make_request(bio); @@ -1234,7 +1236,8 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long _drbd_start_io_acct(device, req); /* process discards always from our submitter thread */ - if (bio_op(bio) & REQ_OP_DISCARD) + if ((bio_op(bio) & REQ_OP_WRITE_ZEROES) || + (bio_op(bio) & REQ_OP_DISCARD)) goto queue_for_submitter_thread; if (rw == WRITE && req->private_bio && req->i.size diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 3bff33f21435..1afcb4e02d8d 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -174,7 +174,8 @@ void drbd_peer_request_endio(struct bio *bio) struct drbd_peer_request *peer_req = bio->bi_private; struct drbd_device *device = peer_req->peer_device->device; bool is_write = bio_data_dir(bio) == WRITE; - bool is_discard = !!(bio_op(bio) == REQ_OP_DISCARD); + bool is_discard = bio_op(bio) == REQ_OP_WRITE_ZEROES || + bio_op(bio) == REQ_OP_DISCARD; if (bio->bi_error && __ratelimit(&drbd_ratelimit_state)) drbd_warn(device, "%s: error=%d s=%llus\n", @@ -249,6 +250,7 @@ void drbd_request_endio(struct bio *bio) /* to avoid recursion in __req_mod */ if (unlikely(bio->bi_error)) { switch (bio_op(bio)) { + case REQ_OP_WRITE_ZEROES: case REQ_OP_DISCARD: if (bio->bi_error == -EOPNOTSUPP) what = DISCARD_COMPLETED_NOTSUPP; |