block: reuse __blk_bvec_map_sg() for mapping page sized bvec
authorMing Lei <ming.lei@redhat.com>
Sun, 17 Mar 2019 10:01:11 +0000 (18:01 +0800)
committerJens Axboe <axboe@kernel.dk>
Mon, 1 Apr 2019 18:11:48 +0000 (12:11 -0600)
commit16e3e4187758d8936d358b26149de785b7d5a9b7
tree4c5002dc5deb5ebc1e68346c10a2f8eb59fc2b3c
parentcae6c2e54cc10514fec26e333f63c5cded9d2383
block: reuse __blk_bvec_map_sg() for mapping page sized bvec

Inside __blk_segment_map_sg(), page sized bvec mapping is optimized
a bit with one standalone branch.

So reuse __blk_bvec_map_sg() to do that.

Cc: Omar Sandoval <osandov@fb.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/blk-merge.c