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authorKent Overstreet <kent.overstreet@gmail.com>2015-04-27 23:48:34 -0700
committerJens Axboe <axboe@fb.com>2015-08-13 12:31:57 -0600
commit8ae126660fddbeebb9251a174e6fa45b6ad8f932 (patch)
treefe471f94c8686b59f7a07b5b4f59ee4f51254902 /drivers/md/raid0.h
parent7140aafce2fc14c5af02fdb7859b6bea0108be3d (diff)
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/raid0.h')
-rw-r--r--drivers/md/raid0.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 05539d9c97f0..7127a623f5da 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -12,8 +12,6 @@ struct r0conf {
struct md_rdev **devlist; /* lists of rdevs, pointed to
* by strip_zone->dev */
int nr_strip_zones;
- int has_merge_bvec; /* at least one member has
- * a merge_bvec_fn */
};
#endif