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md: use bio op accessors

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Separate the op from the rq_flag_bits and have md
set/get the bio using bio_set_op_attrs/bio_op.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Mike Christie
2016-06-05 14:32:07 -05:00
committed by Jens Axboe
parent bb3cc85e16
commit 796a5cf083
10 changed files with 88 additions and 84 deletions
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32
drivers/md/raid1.c
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@@ -759,7 +759,7 @@ static void flush_pending_writes(struct r1conf *conf)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
bio->bi_next = NULL;
if (unlikely((bio->bi_rw & REQ_DISCARD) &&
if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
/* Just ignore it */
bio_endio(bio);
@@ -1033,7 +1033,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
while (bio) { /* submit pending writes */
struct bio *next = bio->bi_next;
bio->bi_next = NULL;
if (unlikely((bio->bi_rw & REQ_DISCARD) &&
if (unlikely((bio_op(bio) == REQ_OP_DISCARD) &&
!blk_queue_discard(bdev_get_queue(bio->bi_bdev))))
/* Just ignore it */
bio_endio(bio);
@@ -1053,12 +1053,11 @@ static void raid1_make_request(struct mddev *mddev, struct bio * bio)
int i, disks;
struct bitmap *bitmap;
unsigned long flags;
const int op = bio_op(bio);
const int rw = bio_data_dir(bio);
const unsigned long do_sync = (bio->bi_rw & REQ_SYNC);
const unsigned long do_flush_fua = (bio->bi_rw & (REQ_FLUSH | REQ_FUA));
const unsigned long do_discard = (bio->bi_rw
& (REQ_DISCARD | REQ_SECURE));
const unsigned long do_same = (bio->bi_rw & REQ_WRITE_SAME);
const unsigned long do_sec = (bio->bi_rw & REQ_SECURE);
struct md_rdev *blocked_rdev;
struct blk_plug_cb *cb;
struct raid1_plug_cb *plug = NULL;
@@ -1166,7 +1165,7 @@ read_again:
mirror->rdev->data_offset;
read_bio->bi_bdev = mirror->rdev->bdev;
read_bio->bi_end_io = raid1_end_read_request;
read_bio->bi_rw = READ | do_sync;
bio_set_op_attrs(read_bio, op, do_sync);
read_bio->bi_private = r1_bio;
if (max_sectors < r1_bio->sectors) {
@@ -1376,8 +1375,7 @@ read_again:
conf->mirrors[i].rdev->data_offset);
mbio->bi_bdev = conf->mirrors[i].rdev->bdev;
mbio->bi_end_io = raid1_end_write_request;
mbio->bi_rw =
WRITE | do_flush_fua | do_sync | do_discard | do_same;
bio_set_op_attrs(mbio, op, do_flush_fua | do_sync | do_sec);
mbio->bi_private = r1_bio;
atomic_inc(&r1_bio->remaining);
@@ -1771,7 +1769,7 @@ static void end_sync_write(struct bio *bio)
static int r1_sync_page_io(struct md_rdev *rdev, sector_t sector,
int sectors, struct page *page, int rw)
{
if (sync_page_io(rdev, sector, sectors << 9, page, rw, false))
if (sync_page_io(rdev, sector, sectors << 9, page, rw, 0, false))
/* success */
return 1;
if (rw == WRITE) {
@@ -1825,7 +1823,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio)
rdev = conf->mirrors[d].rdev;
if (sync_page_io(rdev, sect, s<<9,
bio->bi_io_vec[idx].bv_page,
READ, false)) {
REQ_OP_READ, 0, false)) {
success = 1;
break;
}
@@ -2030,7 +2028,7 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio)
!test_bit(MD_RECOVERY_SYNC, &mddev->recovery))))
continue;
wbio->bi_rw = WRITE;
bio_set_op_attrs(wbio, REQ_OP_WRITE, 0);
wbio->bi_end_io = end_sync_write;
atomic_inc(&r1_bio->remaining);
md_sync_acct(conf->mirrors[i].rdev->bdev, bio_sectors(wbio));
@@ -2090,7 +2088,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk,
is_badblock(rdev, sect, s,
&first_bad, &bad_sectors) == 0 &&
sync_page_io(rdev, sect, s<<9,
conf->tmppage, READ, false))
conf->tmppage, REQ_OP_READ, 0, false))
success = 1;
else {
d++;
@@ -2201,7 +2199,7 @@ static int narrow_write_error(struct r1bio *r1_bio, int i)
wbio = bio_clone_mddev(r1_bio->master_bio, GFP_NOIO, mddev);
}
wbio->bi_rw = WRITE;
bio_set_op_attrs(wbio, REQ_OP_WRITE, 0);
wbio->bi_iter.bi_sector = r1_bio->sector;
wbio->bi_iter.bi_size = r1_bio->sectors << 9;
@@ -2344,7 +2342,7 @@ read_more:
bio->bi_iter.bi_sector = r1_bio->sector + rdev->data_offset;
bio->bi_bdev = rdev->bdev;
bio->bi_end_io = raid1_end_read_request;
bio->bi_rw = READ | do_sync;
bio_set_op_attrs(bio, REQ_OP_READ, do_sync);
bio->bi_private = r1_bio;
if (max_sectors < r1_bio->sectors) {
/* Drat - have to split this up more */
@@ -2572,7 +2570,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
if (i < conf->raid_disks)
still_degraded = 1;
} else if (!test_bit(In_sync, &rdev->flags)) {
bio->bi_rw = WRITE;
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio->bi_end_io = end_sync_write;
write_targets ++;
} else {
@@ -2599,7 +2597,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
if (disk < 0)
disk = i;
}
bio->bi_rw = READ;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
bio->bi_end_io = end_sync_read;
read_targets++;
} else if (!test_bit(WriteErrorSeen, &rdev->flags) &&
@@ -2611,7 +2609,7 @@ static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
* if we are doing resync or repair. Otherwise, leave
* this device alone for this sync request.
*/
bio->bi_rw = WRITE;
bio_set_op_attrs(bio, REQ_OP_WRITE, 0);
bio->bi_end_io = end_sync_write;
write_targets++;
}