diff options
| author | Kent Overstreet <koverstreet@google.com> | 2012-09-25 15:05:12 -0700 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-03-23 14:15:29 -0700 |
| commit | f73a1c7d117d07a96d89475066188a2b79e53c48 (patch) | |
| tree | b2343926df6cf7877ee398ba485a962148b67804 /drivers/s390 | |
| parent | fb9e3534768c1daa0bd09dd00d1a8828e15079c8 (diff) | |
| download | op-kernel-dev-f73a1c7d117d07a96d89475066188a2b79e53c48.zip op-kernel-dev-f73a1c7d117d07a96d89475066188a2b79e53c48.tar.gz | |
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/s390')
| -rw-r--r-- | drivers/s390/block/dcssblk.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index b6ad0de..12d08b4 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -826,8 +826,7 @@ dcssblk_make_request(struct request_queue *q, struct bio *bio) if ((bio->bi_sector & 7) != 0 || (bio->bi_size & 4095) != 0) /* Request is not page-aligned. */ goto fail; - if (((bio->bi_size >> 9) + bio->bi_sector) - > get_capacity(bio->bi_bdev->bd_disk)) { + if (bio_end_sector(bio) > get_capacity(bio->bi_bdev->bd_disk)) { /* Request beyond end of DCSS segment. */ goto fail; } |
