dm: use bio op accessors
Separate the op from the rq_flag_bits and have dm
set/get the bio using bio_set_op_attrs/bio_op.
Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index b3ccf1e..907df2b 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -260,7 +260,8 @@
struct dm_io_region io[ms->nr_mirrors];
struct mirror *m;
struct dm_io_request io_req = {
- .bi_rw = WRITE_FLUSH,
+ .bi_op = REQ_OP_WRITE,
+ .bi_op_flags = WRITE_FLUSH,
.mem.type = DM_IO_KMEM,
.mem.ptr.addr = NULL,
.client = ms->io_client,
@@ -541,7 +542,8 @@
{
struct dm_io_region io;
struct dm_io_request io_req = {
- .bi_rw = READ,
+ .bi_op = REQ_OP_READ,
+ .bi_op_flags = 0,
.mem.type = DM_IO_BIO,
.mem.ptr.bio = bio,
.notify.fn = read_callback,
@@ -624,7 +626,7 @@
* If the bio is discard, return an error, but do not
* degrade the array.
*/
- if (bio->bi_rw & REQ_DISCARD) {
+ if (bio_op(bio) == REQ_OP_DISCARD) {
bio->bi_error = -EOPNOTSUPP;
bio_endio(bio);
return;
@@ -654,7 +656,8 @@
struct dm_io_region io[ms->nr_mirrors], *dest = io;
struct mirror *m;
struct dm_io_request io_req = {
- .bi_rw = WRITE | (bio->bi_rw & WRITE_FLUSH_FUA),
+ .bi_op = REQ_OP_WRITE,
+ .bi_op_flags = bio->bi_rw & WRITE_FLUSH_FUA,
.mem.type = DM_IO_BIO,
.mem.ptr.bio = bio,
.notify.fn = write_callback,
@@ -662,8 +665,8 @@
.client = ms->io_client,
};
- if (bio->bi_rw & REQ_DISCARD) {
- io_req.bi_rw |= REQ_DISCARD;
+ if (bio_op(bio) == REQ_OP_DISCARD) {
+ io_req.bi_op = REQ_OP_DISCARD;
io_req.mem.type = DM_IO_KMEM;
io_req.mem.ptr.addr = NULL;
}
@@ -702,7 +705,7 @@
while ((bio = bio_list_pop(writes))) {
if ((bio->bi_rw & REQ_FLUSH) ||
- (bio->bi_rw & REQ_DISCARD)) {
+ (bio_op(bio) == REQ_OP_DISCARD)) {
bio_list_add(&sync, bio);
continue;
}
@@ -1250,7 +1253,7 @@
* We need to dec pending if this was a write.
*/
if (rw == WRITE) {
- if (!(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD)))
+ if (!(bio->bi_rw & REQ_FLUSH) && bio_op(bio) != REQ_OP_DISCARD)
dm_rh_dec(ms->rh, bio_record->write_region);
return error;
}
