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fs: convert to bio_last_bvec_all()

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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 <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei 2017-12-18 20:22:05 +08:00 • committed by Jens Axboe
parent 263663cd3c
commit c45a8f2def
3 changed files with 3 additions and 3 deletions
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2
fs/btrfs/compression.c
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@ -411,7 +411,7 @@ blk_status_t btrfs_submit_compressed_write(struct inode *inode, u64 start,
static u64 bio_end_offset(struct bio *bio) 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; return page_offset(last->bv_page) + last->bv_len + last->bv_offset;
} }

2
fs/btrfs/extent_io.c
View file

@ -2724,7 +2724,7 @@ static int __must_check submit_one_bio(struct bio *bio, int mirror_num,
unsigned long bio_flags) unsigned long bio_flags)
{ {
blk_status_t ret = 0; 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 page *page = bvec->bv_page;
struct extent_io_tree *tree = bio->bi_private; struct extent_io_tree *tree = bio->bi_private;
u64 start; u64 start;

2
fs/buffer.c
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@ -3014,7 +3014,7 @@ static void end_bio_bh_io_sync(struct bio *bio)
void guard_bio_eod(int op, struct bio *bio) void guard_bio_eod(int op, struct bio *bio)
{ {
sector_t maxsector; 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; unsigned truncated_bytes;
struct hd_struct *part; struct hd_struct *part;