From: mchristi@redhat.com
To: linux-fsdevel@vger.kernel.org, dm-devel@redhat.com,
linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-scsi@vger.kernel.org, drbd-dev@lists.linbit.com
Cc: Mike Christie <mchristi@redhat.com>
Subject: [PATCH 30/32] drbd: don't use bi_rw for operations
Date: Wed, 4 Nov 2015 16:08:27 -0600 [thread overview]
Message-ID: <1446674909-5371-31-git-send-email-mchristi@redhat.com> (raw)
In-Reply-To: <1446674909-5371-1-git-send-email-mchristi@redhat.com>
From: Mike Christie <mchristi@redhat.com>
This removes drbd's bi_rw use for operations read, write,
discard, write same, etc (REQ_OPs).
Signed-off-by: Mike Christie <mchristi@redhat.com>
---
drivers/block/drbd/drbd_actlog.c | 2 +-
drivers/block/drbd/drbd_bitmap.c | 1 -
drivers/block/drbd/drbd_main.c | 15 ++++++++-------
drivers/block/drbd/drbd_receiver.c | 22 ++++++++--------------
drivers/block/drbd/drbd_worker.c | 4 ++--
5 files changed, 19 insertions(+), 25 deletions(-)
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index ed2eafe..fc96a3c 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -159,7 +159,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device,
goto out;
bio->bi_private = device;
bio->bi_end_io = drbd_md_endio;
- bio->bi_rw = op | op_flags;
+ bio->bi_rw = op_flags;
bio->bi_op = op;
if (op != REQ_OP_WRITE && device->state.disk == D_DISKLESS && device->ldev == NULL)
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 2ff407a..173a3d6 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1022,7 +1022,6 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho
if (drbd_insert_fault(device, (rw == REQ_OP_WRITE) ? DRBD_FAULT_MD_WR : DRBD_FAULT_MD_RD)) {
bio->bi_op = rw;
- bio->bi_rw |= rw;
bio_io_error(bio);
} else {
submit_bio(rw, 0, bio);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 9eb8039..d74178c 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1602,15 +1602,16 @@ static int _drbd_send_zc_ee(struct drbd_peer_device *peer_device,
return 0;
}
-static u32 bio_flags_to_wire(struct drbd_connection *connection, unsigned long bi_rw)
+static u32 bio_flags_to_wire(struct drbd_connection *connection,
+ struct bio *bio)
{
if (connection->agreed_pro_version >= 95)
- return (bi_rw & REQ_SYNC ? DP_RW_SYNC : 0) |
- (bi_rw & REQ_FUA ? DP_FUA : 0) |
- (bi_rw & REQ_FLUSH ? DP_FLUSH : 0) |
- (bi_rw & REQ_DISCARD ? DP_DISCARD : 0);
+ return (bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0) |
+ (bio->bi_rw & REQ_FUA ? DP_FUA : 0) |
+ (bio->bi_rw & REQ_FLUSH ? DP_FLUSH : 0) |
+ (bio->bi_op == REQ_OP_DISCARD ? DP_DISCARD : 0);
else
- return bi_rw & REQ_SYNC ? DP_RW_SYNC : 0;
+ return bio->bi_rw & REQ_SYNC ? DP_RW_SYNC : 0;
}
/* Used to send write or TRIM aka REQ_DISCARD requests
@@ -1635,7 +1636,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request *
p->sector = cpu_to_be64(req->i.sector);
p->block_id = (unsigned long)req;
p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq));
- dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw);
+ dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio);
if (device->state.conn >= C_SYNC_SOURCE &&
device->state.conn <= C_PAUSED_SYNC_T)
dp_flags |= DP_MAY_SET_IN_SYNC;
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 4e458bd..44193da 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1418,7 +1418,7 @@ 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 = op | op_flags;
+ bio->bi_rw = op_flags;
bio->bi_op = op;
bio->bi_private = peer_req;
bio->bi_end_io = drbd_peer_request_endio;
@@ -1427,7 +1427,7 @@ next_bio:
bios = bio;
++n_bios;
- if (op & REQ_OP_DISCARD) {
+ if (op == REQ_OP_DISCARD) {
bio->bi_iter.bi_size = data_size;
goto submit;
}
@@ -2132,8 +2132,7 @@ 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_FLUSH : 0);
}
static unsigned long wire_flags_to_bio_op(u32 dpf)
@@ -2141,7 +2140,7 @@ static unsigned long wire_flags_to_bio_op(u32 dpf)
if (dpf & DP_DISCARD)
return REQ_OP_DISCARD;
else
- return 0;
+ return REQ_OP_WRITE;;
}
static void fail_postponed_requests(struct drbd_device *device, sector_t sector,
@@ -2287,7 +2286,7 @@ 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 op = REQ_OP_WRITE, op_flags = 0;
+ int op, op_flags;
u32 dp_flags;
int err, tp;
@@ -2326,20 +2325,15 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info *
peer_req->flags |= EE_APPLICATION;
dp_flags = be32_to_cpu(p->dp_flags);
- /*
- * Tmp compat. We OR it here because other code assumes both the
- * discard and write flags are set. In the next patches that
- * will be cleaned up.
- */
- op |= wire_flags_to_bio_op(dp_flags);
- op_flags |= wire_flags_to_bio_flags(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, op & REQ_OP_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);
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 23e5500..f1c63d2 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -175,7 +175,7 @@ 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;
int is_write = bio_data_dir(bio) == WRITE;
- int is_discard = !!(bio->bi_rw & REQ_DISCARD);
+ int is_discard = (bio->bi_op == REQ_OP_DISCARD);
if (bio->bi_error && __ratelimit(&drbd_ratelimit_state))
drbd_warn(device, "%s: error=%d s=%llus\n",
@@ -243,7 +243,7 @@ void drbd_request_endio(struct bio *bio)
/* to avoid recursion in __req_mod */
if (unlikely(bio->bi_error)) {
- if (bio->bi_rw & REQ_DISCARD)
+ if (bio->bi_op == REQ_OP_DISCARD)
what = (bio->bi_error == -EOPNOTSUPP)
? DISCARD_COMPLETED_NOTSUPP
: DISCARD_COMPLETED_WITH_ERROR;
--
1.8.3.1
next prev parent reply other threads:[~2015-11-04 22:08 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 22:07 [RESEND RFC PATCH 00/32] separate operations from flags in the bio/request structs mchristi
2015-11-04 22:07 ` [PATCH 01/32] block/fs: add REQ_OP definitions mchristi
2015-11-04 22:07 ` [PATCH 02/32] block/fs/mm: prepare submit_bio_wait users for bi_rw split mchristi
2015-11-05 7:14 ` Hannes Reinecke
2015-11-04 22:08 ` [PATCH 03/32] dio/btrfs: prep dio->submit_bio " mchristi
2015-11-04 22:08 ` [PATCH 04/32] block: prepare blkdev_issue_discard " mchristi
2015-11-04 22:08 ` [PATCH 05/32] drbd: prepare drbd " mchristi
2015-11-04 22:08 ` [PATCH 06/32] xen blkback: prepare " mchristi
[not found] ` <1446674909-5371-7-git-send-email-mchristi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-11-07 10:17 ` Christoph Hellwig
2015-11-07 10:17 ` Christoph Hellwig
2015-11-07 14:04 ` Konrad Rzeszutek Wilk
2015-11-07 14:04 ` Konrad Rzeszutek Wilk
2015-11-09 4:00 ` Bob Liu
2015-11-09 4:00 ` Bob Liu
2015-11-07 10:17 ` Christoph Hellwig
2015-11-04 22:08 ` [PATCH 07/32] dm: " mchristi
2015-11-04 22:08 ` [PATCH 08/32] target: " mchristi
2015-11-04 22:08 ` [PATCH 09/32] btrfs: " mchristi
2015-11-04 22:08 ` [PATCH 10/32] f2fs: " mchristi
2015-11-04 22:08 ` [PATCH 11/32] gfs2: " mchristi
2015-11-04 22:08 ` [PATCH 12/32] xfs: " mchristi
2015-11-04 22:08 ` [PATCH 13/32] mm: " mchristi
2015-11-04 22:08 ` [PATCH 14/32] block/fs/mm: pass in op and flags to submit_bio mchristi
2015-11-04 22:08 ` [PATCH 15/32] btrfs: prepare for bi_rw split mchristi
2015-11-04 22:08 ` [PATCH 16/32] block/fs/md: pass in op and flags to submit_bh mchristi
2015-11-04 22:08 ` [PATCH 17/32] block: add operation field to bio struct mchristi
2015-11-04 22:08 ` [PATCH 18/32] drbd: set bio bi_op to REQ_OP mchristi
2015-11-04 22:08 ` [PATCH 19/32] block: add helper to get data dir from op mchristi
[not found] ` <1446674909-5371-20-git-send-email-mchristi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-11-04 22:44 ` [dm-devel] " Bart Van Assche
2015-11-04 22:44 ` Bart Van Assche
2015-11-04 22:44 ` Bart Van Assche
2015-11-05 17:34 ` Mike Christie
[not found] ` <563B930F.7040705-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-11-07 10:19 ` Christoph Hellwig
2015-11-07 10:19 ` Christoph Hellwig
2015-11-04 22:08 ` [PATCH 20/32] md: set bi_op to REQ_OP mchristi
2015-11-04 22:08 ` [PATCH 21/32] bcache: " mchristi
2015-11-04 22:08 ` [PATCH 22/32] block/fs/drivers: " mchristi
2015-11-04 22:08 ` [PATCH 23/32] block/fs: pass in op and flags to ll_rw_block mchristi
2015-11-04 22:08 ` [PATCH 24/32] dm: pass dm stats data dir instead of bi_rw mchristi
2015-11-04 22:08 ` [PATCH 25/32] block: add operation field to request struct mchristi
2015-11-04 22:08 ` [PATCH 26/32] ide cd: do not set REQ_WRITE on requests mchristi
2015-11-04 22:08 ` [PATCH 27/32] cfq/cgroup: pass operation and flags seperately mchristi
2015-11-04 22:08 ` [PATCH 28/32] block/fs/drivers: use bio/rq_data_dir helpers mchristi
2015-11-04 22:08 ` [PATCH 29/32] block/drivers: rm request cmd_flags REQ_OP use mchristi
2015-11-04 22:08 ` mchristi [this message]
2015-11-04 22:08 ` [PATCH 31/32] block/fs/driver: rm bio bi_rw " mchristi
2015-11-04 22:08 ` [PATCH 32/32] block: remove __REQ op defs and reduce bi_op/bi_rw sizes mchristi
[not found] ` <1446674909-5371-33-git-send-email-mchristi-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-11-07 10:21 ` Christoph Hellwig
2015-11-07 10:21 ` Christoph Hellwig
2015-11-05 16:44 ` [RESEND RFC PATCH 00/32] separate operations from flags in the bio/request structs Bob Peterson
2015-11-07 10:10 ` Christoph Hellwig
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