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block: Use bio_sectors() more consistently

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Bunch of places in the code weren't using it where they could be -
this'll reduce the size of the patch that puts bi_sector/bi_size/bi_idx
into a struct bvec_iter.

Signed-off-by: Kent Overstreet <koverstreet@google.com>
CC: Jens Axboe <axboe@kernel.dk>
CC: "Ed L. Cashin" <ecashin@coraid.com>
CC: Nick Piggin <npiggin@kernel.dk>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Jim Paris <jim@jtan.com>
CC: Geoff Levand <geoff@infradead.org>
CC: Alasdair Kergon <agk@redhat.com>
CC: dm-devel@redhat.com
CC: Neil Brown <neilb@suse.de>
CC: Steven Rostedt <rostedt@goodmis.org>
Acked-by: Ed Cashin <ecashin@coraid.com>
This commit is contained in:
Kent Overstreet
2013-02-05 15:19:29 -08:00
parent f73a1c7d11
commit aa8b57aa3d
8 changed files with 35 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/md/raid10.c
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@@ -1169,7 +1169,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
/* If this request crosses a chunk boundary, we need to
* split it. This will only happen for 1 PAGE (or less) requests.
*/
if (unlikely((bio->bi_sector & chunk_mask) + (bio->bi_size >> 9)
if (unlikely((bio->bi_sector & chunk_mask) + bio_sectors(bio)
> chunk_sects
&& (conf->geo.near_copies < conf->geo.raid_disks
|| conf->prev.near_copies < conf->prev.raid_disks))) {
@@ -1209,7 +1209,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
bad_map:
printk("md/raid10:%s: make_request bug: can't convert block across chunks"
" or bigger than %dk %llu %d\n", mdname(mddev), chunk_sects/2,
(unsigned long long)bio->bi_sector, bio->bi_size >> 10);
(unsigned long long)bio->bi_sector, bio_sectors(bio) / 2);
bio_io_error(bio);
return;
@@ -1224,7 +1224,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
*/
wait_barrier(conf);
sectors = bio->bi_size >> 9;
sectors = bio_sectors(bio);
while (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) &&
bio->bi_sector < conf->reshape_progress &&
bio->bi_sector + sectors > conf->reshape_progress) {
@@ -1326,8 +1326,7 @@ read_again:
r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO);
r10_bio->master_bio = bio;
r10_bio->sectors = ((bio->bi_size >> 9)
- sectors_handled);
r10_bio->sectors = bio_sectors(bio) - sectors_handled;
r10_bio->state = 0;
r10_bio->mddev = mddev;
r10_bio->sector = bio->bi_sector + sectors_handled;
@@ -1569,7 +1568,7 @@ retry_write:
* after checking if we need to go around again.
*/
if (sectors_handled < (bio->bi_size >> 9)) {
if (sectors_handled < bio_sectors(bio)) {
one_write_done(r10_bio);
/* We need another r10_bio. It has already been counted
* in bio->bi_phys_segments.
@@ -1577,7 +1576,7 @@ retry_write:
r10_bio = mempool_alloc(conf->r10bio_pool, GFP_NOIO);
r10_bio->master_bio = bio;
r10_bio->sectors = (bio->bi_size >> 9) - sectors_handled;
r10_bio->sectors = bio_sectors(bio) - sectors_handled;
r10_bio->mddev = mddev;
r10_bio->sector = bio->bi_sector + sectors_handled;
@@ -2103,7 +2102,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
d = r10_bio->devs[i].devnum;
atomic_inc(&conf->mirrors[d].rdev->nr_pending);
atomic_inc(&r10_bio->remaining);
md_sync_acct(conf->mirrors[d].rdev->bdev, tbio->bi_size >> 9);
md_sync_acct(conf->mirrors[d].rdev->bdev, bio_sectors(tbio));
tbio->bi_sector += conf->mirrors[d].rdev->data_offset;
tbio->bi_bdev = conf->mirrors[d].rdev->bdev;
@@ -2128,7 +2127,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
d = r10_bio->devs[i].devnum;
atomic_inc(&r10_bio->remaining);
md_sync_acct(conf->mirrors[d].replacement->bdev,
tbio->bi_size >> 9);
bio_sectors(tbio));
generic_make_request(tbio);
}
@@ -2254,13 +2253,13 @@ static void recovery_request_write(struct mddev *mddev, struct r10bio *r10_bio)
wbio2 = r10_bio->devs[1].repl_bio;
if (wbio->bi_end_io) {
atomic_inc(&conf->mirrors[d].rdev->nr_pending);
md_sync_acct(conf->mirrors[d].rdev->bdev, wbio->bi_size >> 9);
md_sync_acct(conf->mirrors[d].rdev->bdev, bio_sectors(wbio));
generic_make_request(wbio);
}
if (wbio2 && wbio2->bi_end_io) {
atomic_inc(&conf->mirrors[d].replacement->nr_pending);
md_sync_acct(conf->mirrors[d].replacement->bdev,
wbio2->bi_size >> 9);
bio_sectors(wbio2));
generic_make_request(wbio2);
}
}
@@ -2690,8 +2689,7 @@ read_more:
r10_bio = mempool_alloc(conf->r10bio_pool,
GFP_NOIO);
r10_bio->master_bio = mbio;
r10_bio->sectors = (mbio->bi_size >> 9)
- sectors_handled;
r10_bio->sectors = bio_sectors(mbio) - sectors_handled;
r10_bio->state = 0;
set_bit(R10BIO_ReadError,
&r10_bio->state);