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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

17
drivers/md/raid1.c
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@@ -267,7 +267,7 @@ static void raid_end_bio_io(struct r1bio *r1_bio)
(bio_data_dir(bio) == WRITE) ? "write" : "read",
(unsigned long long) bio->bi_sector,
(unsigned long long) bio->bi_sector +
(bio->bi_size >> 9) - 1);
bio_sectors(bio) - 1);
call_bio_endio(r1_bio);
}
@@ -458,7 +458,7 @@ static void raid1_end_write_request(struct bio *bio, int error)
" %llu-%llu\n",
(unsigned long long) mbio->bi_sector,
(unsigned long long) mbio->bi_sector +
(mbio->bi_size >> 9) - 1);
bio_sectors(mbio) - 1);
call_bio_endio(r1_bio);
}
}
@@ -1049,7 +1049,7 @@ static void make_request(struct mddev *mddev, struct bio * bio)
r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO);
r1_bio->master_bio = bio;
r1_bio->sectors = bio->bi_size >> 9;
r1_bio->sectors = bio_sectors(bio);
r1_bio->state = 0;
r1_bio->mddev = mddev;
r1_bio->sector = bio->bi_sector;
@@ -1127,7 +1127,7 @@ read_again:
r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO);
r1_bio->master_bio = bio;
r1_bio->sectors = (bio->bi_size >> 9) - sectors_handled;
r1_bio->sectors = bio_sectors(bio) - sectors_handled;
r1_bio->state = 0;
r1_bio->mddev = mddev;
r1_bio->sector = bio->bi_sector + sectors_handled;
@@ -1329,14 +1329,14 @@ read_again:
/* Mustn't call r1_bio_write_done before this next test,
* as it could result in the bio being freed.
*/
if (sectors_handled < (bio->bi_size >> 9)) {
if (sectors_handled < bio_sectors(bio)) {
r1_bio_write_done(r1_bio);
/* We need another r1_bio. It has already been counted
* in bio->bi_phys_segments
*/
r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO);
r1_bio->master_bio = bio;
r1_bio->sectors = (bio->bi_size >> 9) - sectors_handled;
r1_bio->sectors = bio_sectors(bio) - sectors_handled;
r1_bio->state = 0;
r1_bio->mddev = mddev;
r1_bio->sector = bio->bi_sector + sectors_handled;
@@ -1947,7 +1947,7 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio)
wbio->bi_rw = WRITE;
wbio->bi_end_io = end_sync_write;
atomic_inc(&r1_bio->remaining);
md_sync_acct(conf->mirrors[i].rdev->bdev, wbio->bi_size >> 9);
md_sync_acct(conf->mirrors[i].rdev->bdev, bio_sectors(wbio));
generic_make_request(wbio);
}
@@ -2284,8 +2284,7 @@ read_more:
r1_bio = mempool_alloc(conf->r1bio_pool, GFP_NOIO);
r1_bio->master_bio = mbio;
r1_bio->sectors = (mbio->bi_size >> 9)
- sectors_handled;
r1_bio->sectors = bio_sectors(mbio) - sectors_handled;
r1_bio->state = 0;
set_bit(R1BIO_ReadError, &r1_bio->state);
r1_bio->mddev = mddev;