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| author | Ming Lei <tom.leiming@gmail.com> | 2016-11-22 16:57:21 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-22 16:57:21 +0100 |
| commit | 3a83f4677539bce8eaa2bca9ee9c20e172d7ab04 (patch) | |
| tree | edb5ffeed2c07c342bd6d9adb0180fab472c1666 /drivers/md/dm-bufio.c | |
| parent | block_dev: get rid of blksize bits calculation (diff) | |
| download | linux-3a83f4677539bce8eaa2bca9ee9c20e172d7ab04.tar.xz linux-3a83f4677539bce8eaa2bca9ee9c20e172d7ab04.zip | |
block: bio: pass bvec table to bio_init()
Some drivers often use external bvec table, so introduce
this helper for this case. It is always safe to access the
bio->bi_io_vec in this way for this case.
After converting to this usage, it will becomes a bit easier
to evaluate the remaining direct access to bio->bi_io_vec,
so it can help to prepare for the following multipage bvec
support.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Fixed up the new O_DIRECT cases.
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/dm-bufio.c')
| -rw-r--r-- | drivers/md/dm-bufio.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index b3ba142e59a4..262e75365cc0 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -611,9 +611,7 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block, char *ptr; int len; - bio_init(&b->bio); - b->bio.bi_io_vec = b->bio_vec; - b->bio.bi_max_vecs = DM_BUFIO_INLINE_VECS; + bio_init(&b->bio, b->bio_vec, DM_BUFIO_INLINE_VECS); b->bio.bi_iter.bi_sector = block << b->c->sectors_per_block_bits; b->bio.bi_bdev = b->c->bdev; b->bio.bi_end_io = inline_endio; |