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path: root/drivers/block/drbd/drbd_receiver.c
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Diffstat (limited to 'drivers/block/drbd/drbd_receiver.c')
-rw-r--r--drivers/block/drbd/drbd_receiver.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 050aaa1c0350..1ee002352ea2 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1398,7 +1398,8 @@ void drbd_bump_write_ordering(struct drbd_resource *resource, struct drbd_backin
/* TODO allocate from our own bio_set. */
int drbd_submit_peer_request(struct drbd_device *device,
struct drbd_peer_request *peer_req,
- const unsigned rw, const int fault_type)
+ const unsigned op, const unsigned op_flags,
+ const int fault_type)
{
struct bio *bios = NULL;
struct bio *bio;
@@ -1450,7 +1451,7 @@ next_bio:
/* > peer_req->i.sector, unless this is the first bio */
bio->bi_iter.bi_sector = sector;
bio->bi_bdev = device->ldev->backing_bdev;
- bio->bi_rw = rw;
+ bio_set_op_attrs(bio, op, op_flags);
bio->bi_private = peer_req;
bio->bi_end_io = drbd_peer_request_endio;
@@ -1458,7 +1459,7 @@ next_bio:
bios = bio;
++n_bios;
- if (rw & REQ_DISCARD) {
+ if (op == REQ_OP_DISCARD) {
bio->bi_iter.bi_size = data_size;
goto submit;
}
@@ -1830,7 +1831,8 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto
spin_unlock_irq(&device->resource->req_lock);
atomic_add(pi->size >> 9, &device->rs_sect_ev);
- if (drbd_submit_peer_request(device, peer_req, WRITE, DRBD_FAULT_RS_WR) == 0)
+ if (drbd_submit_peer_request(device, peer_req, REQ_OP_WRITE, 0,
+ DRBD_FAULT_RS_WR) == 0)
return 0;
/* don't care for the reason here */
@@ -2152,12 +2154,19 @@ static int wait_for_and_update_peer_seq(struct drbd_peer_device *peer_device, co
/* see also bio_flags_to_wire()
* DRBD_REQ_*, because we need to semantically map the flags to data packet
* flags and back. We may replicate to other kernel versions. */
-static unsigned long wire_flags_to_bio(u32 dpf)
+static unsigned long wire_flags_to_bio_flags(u32 dpf)
{
return (dpf & DP_RW_SYNC ? REQ_SYNC : 0) |
(dpf & DP_FUA ? REQ_FUA : 0) |
- (dpf & DP_FLUSH ? REQ_FLUSH : 0) |
- (dpf & DP_DISCARD ? REQ_DISCARD : 0);
+ (dpf & DP_FLUSH ? REQ_PREFLUSH : 0);
+}
+
+static unsigned long wire_flags_to_bio_op(u32 dpf)
+{
+ if (dpf & DP_DISCARD)
+ return REQ_OP_DISCARD;
+ else
+ return REQ_OP_WRITE;
}
static void fail_postponed_requests(struct drbd_device *device, sector_t sector,
@@ -2303,7 +2312,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
struct drbd_peer_request *peer_req;
struct p_data *p = pi->data;
u32 peer_seq = be32_to_cpu(p->seq_num);
- int rw = WRITE;
+ int op, op_flags;
u32 dp_flags;
int err, tp;
@@ -2342,14 +2351,15 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
peer_req->flags |= EE_APPLICATION;
dp_flags = be32_to_cpu(p->dp_flags);
- rw |= wire_flags_to_bio(dp_flags);
+ op = wire_flags_to_bio_op(dp_flags);
+ op_flags = wire_flags_to_bio_flags(dp_flags);
if (pi->cmd == P_TRIM) {
struct request_queue *q = bdev_get_queue(device->ldev->backing_bdev);
peer_req->flags |= EE_IS_TRIM;
if (!blk_queue_discard(q))
peer_req->flags |= EE_IS_TRIM_USE_ZEROOUT;
D_ASSERT(peer_device, peer_req->i.size > 0);
- D_ASSERT(peer_device, rw & REQ_DISCARD);
+ D_ASSERT(peer_device, op == REQ_OP_DISCARD);
D_ASSERT(peer_device, peer_req->pages == NULL);
} else if (peer_req->pages == NULL) {
D_ASSERT(device, peer_req->i.size == 0);
@@ -2433,7 +2443,8 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
peer_req->flags |= EE_CALL_AL_COMPLETE_IO;
}
- err = drbd_submit_peer_request(device, peer_req, rw, DRBD_FAULT_DT_WR);
+ err = drbd_submit_peer_request(device, peer_req, op, op_flags,
+ DRBD_FAULT_DT_WR);
if (!err)
return 0;
@@ -2723,7 +2734,8 @@ submit_for_resync:
submit:
update_receiver_timing_details(connection, drbd_submit_peer_request);
inc_unacked(device);
- if (drbd_submit_peer_request(device, peer_req, READ, fault_type) == 0)
+ if (drbd_submit_peer_request(device, peer_req, REQ_OP_READ, 0,
+ fault_type) == 0)
return 0;
/* don't care for the reason here */