From c45a8f2def865e0d75b45618aef2963e15725cc4 Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Mon, 18 Dec 2017 20:22:05 +0800 Subject: [PATCH] fs: convert to bio_last_bvec_all() This patch converts 3 users to bio_last_bvec_all(), so that we can go ahead and convert to multipage bvec. Signed-off-by: Ming Lei Signed-off-by: Jens Axboe --- fs/btrfs/compression.c | 2 +- fs/btrfs/extent_io.c | 2 +- fs/buffer.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 38a6b091bc25..75610d23d197 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -411,7 +411,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start, static u64 bio_end_offset(struct bio *bio) { - struct bio_vec *last = &bio->bi_io_vec[bio->bi_vcnt - 1]; + struct bio_vec *last = bio_last_bvec_all(bio); return page_offset(last->bv_page) + last->bv_len + last->bv_offset; } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 012d63870b99..69cd63d4503d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2724,7 +2724,7 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num, unsigned long bio_flags) { blk_status_t ret = 0; - struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; + struct bio_vec *bvec = bio_last_bvec_all(bio); struct page *page = bvec->bv_page; struct extent_io_tree *tree = bio->bi_private; u64 start; diff --git a/fs/buffer.c b/fs/buffer.c index 0736a6a2e2f0..8b26295a56fe 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3014,7 +3014,7 @@ static void end_bio_bh_io_sync(struct bio *bio) void guard_bio_eod(int op, struct bio *bio) { sector_t maxsector; - struct bio_vec *bvec = &bio->bi_io_vec[bio->bi_vcnt - 1]; + struct bio_vec *bvec = bio_last_bvec_all(bio); unsigned truncated_bytes; struct hd_struct *part; -- 2.11.0