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| author | Ming Lei <ming.lei@canonical.com> | 2016-02-26 23:40:53 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-03-03 14:42:49 -0700 |
| commit | e827091cb1bcd8e718ac3657845fb809c0b93324 (patch) | |
| tree | 146811f42b518408c3ead1c78c51a3198d811f61 /block | |
| parent | 25e71a99f10e444cd00bb2ebccb11e1c9fb672b1 (diff) | |
| download | linux-e827091cb1bcd8e718ac3657845fb809c0b93324.tar.gz linux-e827091cb1bcd8e718ac3657845fb809c0b93324.tar.bz2 linux-e827091cb1bcd8e718ac3657845fb809c0b93324.zip | |
block: merge: get the 1st and last bvec via helpers
This patch applies the two introduced helpers to
figure out the 1st and last bvec.
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-merge.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/block/blk-merge.c b/block/blk-merge.c index 888a7fec81f7..261353166dcf 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -304,7 +304,6 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio, struct bio *nxt) { struct bio_vec end_bv = { NULL }, nxt_bv; - struct bvec_iter iter; if (!blk_queue_cluster(q)) return 0; @@ -316,11 +315,8 @@ static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio, if (!bio_has_data(bio)) return 1; - bio_for_each_segment(end_bv, bio, iter) - if (end_bv.bv_len == iter.bi_size) - break; - - nxt_bv = bio_iovec(nxt); + bio_get_last_bvec(bio, &end_bv); + bio_get_first_bvec(nxt, &nxt_bv); if (!BIOVEC_PHYS_MERGEABLE(&end_bv, &nxt_bv)) return 0; |