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| author | Ming Lei <tom.leiming@gmail.com> | 2016-11-22 08:57:21 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-11-22 08:57:21 -0700 |
| commit | 3a83f4677539bce8eaa2bca9ee9c20e172d7ab04 (patch) | |
| tree | edb5ffeed2c07c342bd6d9adb0180fab472c1666 /drivers/md/multipath.c | |
| parent | 9a794fb9bddeda0b8c8c13858038318f3cbd4b7e (diff) | |
| download | linux-3a83f4677539bce8eaa2bca9ee9c20e172d7ab04.tar.gz linux-3a83f4677539bce8eaa2bca9ee9c20e172d7ab04.tar.xz | |
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/multipath.c')
| -rw-r--r-- | drivers/md/multipath.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 673efbd6fc47..4da06d813b8f 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -130,7 +130,7 @@ static void multipath_make_request(struct mddev *mddev, struct bio * bio) } multipath = conf->multipaths + mp_bh->path; - bio_init(&mp_bh->bio); + bio_init(&mp_bh->bio, NULL, 0); __bio_clone_fast(&mp_bh->bio, bio); mp_bh->bio.bi_iter.bi_sector += multipath->rdev->data_offset; |