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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2015-04-27 23:48:34 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-08-13 12:31:57 -0600 |
| commit | 8ae126660fddbeebb9251a174e6fa45b6ad8f932 (patch) | |
| tree | fe471f94c8686b59f7a07b5b4f59ee4f51254902 /drivers/md/dm-raid.c | |
| parent | 7140aafce2fc14c5af02fdb7859b6bea0108be3d (diff) | |
| download | op-kernel-dev-8ae126660fddbeebb9251a174e6fa45b6ad8f932.zip op-kernel-dev-8ae126660fddbeebb9251a174e6fa45b6ad8f932.tar.gz | |
block: kill merge_bvec_fn() completely
As generic_make_request() is now able to handle arbitrarily sized bios,
it's no longer necessary for each individual block driver to define its
own ->merge_bvec_fn() callback. Remove every invocation completely.
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <drbd-dev@lists.linbit.com>
Cc: drbd-user@lists.linbit.com
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Yehuda Sadeh <yehuda@inktank.com>
Cc: Sage Weil <sage@inktank.com>
Cc: Alex Elder <elder@kernel.org>
Cc: ceph-devel@vger.kernel.org
Cc: Alasdair Kergon <agk@redhat.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: dm-devel@redhat.com
Cc: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Cc: Christoph Hellwig <hch@infradead.org>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: NeilBrown <neilb@suse.de> (for the 'md' bits)
Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
[dpark: also remove ->merge_bvec_fn() in dm-thin as well as
dm-era-target, and resolve merge conflicts]
Signed-off-by: Dongsu Park <dpark@posteo.net>
Signed-off-by: Ming Lin <ming.l@ssi.samsung.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-raid.c')
| -rw-r--r-- | drivers/md/dm-raid.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 2daa677..97e1651 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1717,24 +1717,6 @@ static void raid_resume(struct dm_target *ti) mddev_resume(&rs->md); } -static int raid_merge(struct dm_target *ti, struct bvec_merge_data *bvm, - struct bio_vec *biovec, int max_size) -{ - struct raid_set *rs = ti->private; - struct md_personality *pers = rs->md.pers; - - if (pers && pers->mergeable_bvec) - return min(max_size, pers->mergeable_bvec(&rs->md, bvm, biovec)); - - /* - * In case we can't request the personality because - * the raid set is not running yet - * - * -> return safe minimum - */ - return rs->md.chunk_sectors; -} - static struct target_type raid_target = { .name = "raid", .version = {1, 7, 0}, @@ -1749,7 +1731,6 @@ static struct target_type raid_target = { .presuspend = raid_presuspend, .postsuspend = raid_postsuspend, .resume = raid_resume, - .merge = raid_merge, }; static int __init dm_raid_init(void) |
