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author | Bart Van Assche <bvanassche@acm.org> | 2022-07-14 11:06:39 -0700 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2022-07-14 12:14:31 -0600 |
commit | 9945172a7120790fb8832cfec9557773f69e9d74 (patch) | |
tree | 2ff2c582d90789a2eda60374837da0c3f1d3953f /drivers | |
parent | ba91fd01aad28b2290a00518c4cd6eb728b4f06f (diff) | |
download | linux-stable-9945172a7120790fb8832cfec9557773f69e9d74.tar.gz linux-stable-9945172a7120790fb8832cfec9557773f69e9d74.tar.bz2 linux-stable-9945172a7120790fb8832cfec9557773f69e9d74.zip |
block/drbd: Use the enum req_op and blk_opf_t types
Improve static type checking by using the enum req_op type for variables
that represent a request operation and the new blk_opf_t type for
variables that represent request flags.
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20220714180729.1065367-14-bvanassche@acm.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/block/drbd/drbd_actlog.c | 9 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_bitmap.c | 2 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_int.h | 6 | ||||
-rw-r--r-- | drivers/block/drbd/drbd_receiver.c | 11 |
4 files changed, 15 insertions, 13 deletions
diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c index f5bcded3640d..e27478ae579c 100644 --- a/drivers/block/drbd/drbd_actlog.c +++ b/drivers/block/drbd/drbd_actlog.c @@ -124,12 +124,13 @@ void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_b static int _drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int op) + sector_t sector, enum req_op op) { struct bio *bio; /* we do all our meta data IO in aligned 4k blocks. */ const int size = 4096; - int err, op_flags = 0; + int err; + blk_opf_t op_flags = 0; device->md_io.done = 0; device->md_io.error = -ENODEV; @@ -174,7 +175,7 @@ static int _drbd_md_sync_page_io(struct drbd_device *device, } int drbd_md_sync_page_io(struct drbd_device *device, struct drbd_backing_dev *bdev, - sector_t sector, int op) + sector_t sector, enum req_op op) { int err; D_ASSERT(device, atomic_read(&device->md_io.in_use) == 1); @@ -385,7 +386,7 @@ static int __al_write_transaction(struct drbd_device *device, struct al_transact write_al_updates = rcu_dereference(device->ldev->disk_conf)->al_updates; rcu_read_unlock(); if (write_al_updates) { - if (drbd_md_sync_page_io(device, device->ldev, sector, WRITE)) { + if (drbd_md_sync_page_io(device, device->ldev, sector, REQ_OP_WRITE)) { err = -EIO; drbd_chk_io_error(device, 1, DRBD_META_IO_ERROR); } else { diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c index 9e060e49b3f8..603f6828dd79 100644 --- a/drivers/block/drbd/drbd_bitmap.c +++ b/drivers/block/drbd/drbd_bitmap.c @@ -977,7 +977,7 @@ static void drbd_bm_endio(struct bio *bio) static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_hold(local) { struct drbd_device *device = ctx->device; - unsigned int op = (ctx->flags & BM_AIO_READ) ? REQ_OP_READ : REQ_OP_WRITE; + enum req_op op = ctx->flags & BM_AIO_READ ? REQ_OP_READ : REQ_OP_WRITE; struct bio *bio = bio_alloc_bioset(device->ldev->md_bdev, 1, op, GFP_NOIO, &drbd_md_io_bio_set); struct drbd_bitmap *b = device->bitmap; diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 4d3efaa20b7b..ecb2ecd8d67d 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1495,7 +1495,7 @@ extern int drbd_resync_finished(struct drbd_device *device); extern void *drbd_md_get_buffer(struct drbd_device *device, const char *intent); extern void drbd_md_put_buffer(struct drbd_device *device); extern int drbd_md_sync_page_io(struct drbd_device *device, - struct drbd_backing_dev *bdev, sector_t sector, int op); + struct drbd_backing_dev *bdev, sector_t sector, enum req_op op); extern void drbd_ov_out_of_sync_found(struct drbd_device *, sector_t, int); extern void wait_until_done_or_force_detached(struct drbd_device *device, struct drbd_backing_dev *bdev, unsigned int *done); @@ -1547,8 +1547,8 @@ extern bool drbd_rs_c_min_rate_throttle(struct drbd_device *device); extern bool drbd_rs_should_slow_down(struct drbd_device *device, sector_t sector, bool throttle_if_app_is_waiting); extern int drbd_submit_peer_request(struct drbd_device *, - struct drbd_peer_request *, const unsigned, - const unsigned, const int); + struct drbd_peer_request *, enum req_op, + blk_opf_t, int); extern int drbd_free_peer_reqs(struct drbd_device *, struct list_head *); extern struct drbd_peer_request *drbd_alloc_peer_req(struct drbd_peer_device *, u64, sector_t, unsigned int, diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 6762be53f409..caf646dd91ba 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -1621,7 +1621,7 @@ static void drbd_issue_peer_discard_or_zero_out(struct drbd_device *device, stru /* TODO allocate from our own bio_set. */ int drbd_submit_peer_request(struct drbd_device *device, struct drbd_peer_request *peer_req, - const unsigned op, const unsigned op_flags, + const enum req_op op, const blk_opf_t op_flags, const int fault_type) { struct bio *bios = NULL; @@ -2383,14 +2383,14 @@ 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_flags(u32 dpf) +static blk_opf_t 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_PREFLUSH : 0); } -static unsigned long wire_flags_to_bio_op(u32 dpf) +static enum req_op wire_flags_to_bio_op(u32 dpf) { if (dpf & DP_ZEROES) return REQ_OP_WRITE_ZEROES; @@ -2543,7 +2543,8 @@ 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, op_flags; + enum req_op op; + blk_opf_t op_flags; u32 dp_flags; int err, tp; @@ -4951,7 +4952,7 @@ 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_WRITE_ZEROES; + const enum req_op op = REQ_OP_WRITE_ZEROES; peer_req = drbd_alloc_peer_req(peer_device, ID_SYNCER, sector, size, 0, GFP_NOIO); |