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authorKent Overstreet <koverstreet@google.com>2012-09-26 02:05:12 +0400
committerKent Overstreet <koverstreet@google.com>2013-03-24 01:15:29 +0400
commitf73a1c7d117d07a96d89475066188a2b79e53c48 (patch)
treeb2343926df6cf7877ee398ba485a962148b67804 /drivers/block/brd.c
parentfb9e3534768c1daa0bd09dd00d1a8828e15079c8 (diff)
downloadlinux-f73a1c7d117d07a96d89475066188a2b79e53c48.tar.xz
block: Add bio_end_sector()
Just a little convenience macro - main reason to add it now is preparing for immutable bio vecs, it'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: Lars Ellenberg <drbd-dev@lists.linbit.com> CC: Jiri Kosina <jkosina@suse.cz> CC: Alasdair Kergon <agk@redhat.com> CC: dm-devel@redhat.com CC: Neil Brown <neilb@suse.de> CC: Martin Schwidefsky <schwidefsky@de.ibm.com> CC: Heiko Carstens <heiko.carstens@de.ibm.com> CC: linux-s390@vger.kernel.org CC: Chris Mason <chris.mason@fusionio.com> CC: Steven Whitehouse <swhiteho@redhat.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'drivers/block/brd.c')
-rw-r--r--drivers/block/brd.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 531ceb31d0ff..f1a29f8e9d33 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -334,8 +334,7 @@ static void brd_make_request(struct request_queue *q, struct bio *bio)
int err = -EIO;
sector = bio->bi_sector;
- if (sector + (bio->bi_size >> SECTOR_SHIFT) >
- get_capacity(bdev->bd_disk))
+ if (bio_end_sector(bio) > get_capacity(bdev->bd_disk))
goto out;
if (unlikely(bio->bi_rw & REQ_DISCARD)) {