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WSL2-Linux-Kernel
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nilfs2: pass the operation to bio_alloc 

Refactor the segbuf write code to pass the op to bio_alloc instead of
setting it just before the submission.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Link: https://lore.kernel.org/r/20220222154634.597067-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2022-02-22 16:46:34 +01:00 коммит произвёл Jens Axboe
Родитель 4c4dad11ff
Коммит fbe7c2ef5e
1 изменённых файлов: 9 добавлений и 11 удалений
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20
fs/nilfs2/segbuf.c
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@ -337,8 +337,7 @@ static void nilfs_end_bio_write(struct bio *bio)
}
static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
struct nilfs_write_info *wi, int mode,
int mode_flags)
struct nilfs_write_info *wi)
{
struct bio *bio = wi->bio;
int err;
@ -356,7 +355,6 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
bio->bi_end_io = nilfs_end_bio_write;
bio->bi_private = segbuf;
bio_set_op_attrs(bio, mode, mode_flags);
submit_bio(bio);
segbuf->sb_nbio++;
@ -384,15 +382,15 @@ static void nilfs_segbuf_prepare_write(struct nilfs_segment_buffer *segbuf,
static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
struct nilfs_write_info *wi,
struct buffer_head *bh, int mode)
struct buffer_head *bh)
{
int len, err;
BUG_ON(wi->nr_vecs <= 0);
repeat:
if (!wi->bio) {
wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs, 0,
GFP_NOIO);
wi->bio = bio_alloc(wi->nilfs->ns_bdev, wi->nr_vecs,
REQ_OP_WRITE, GFP_NOIO);
wi->bio->bi_iter.bi_sector = (wi->blocknr + wi->end) <<
(wi->nilfs->ns_blocksize_bits - 9);
}
@ -403,7 +401,7 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
return 0;
}
/* bio is FULL */
err = nilfs_segbuf_submit_bio(segbuf, wi, mode, 0);
err = nilfs_segbuf_submit_bio(segbuf, wi);
/* never submit current bh */
if (likely(!err))
goto repeat;
@ -433,13 +431,13 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
nilfs_segbuf_prepare_write(segbuf, &wi);
list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) {
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
if (unlikely(res))
goto failed_bio;
}
list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) {
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh, REQ_OP_WRITE);
res = nilfs_segbuf_submit_bh(segbuf, &wi, bh);
if (unlikely(res))
goto failed_bio;
}
@ -449,8 +447,8 @@ static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
* Last BIO is always sent through the following
* submission.
*/
res = nilfs_segbuf_submit_bio(segbuf, &wi, REQ_OP_WRITE,
REQ_SYNC);
wi.bio->bi_opf |= REQ_SYNC;
res = nilfs_segbuf_submit_bio(segbuf, &wi);
}
failed_bio: