diff options
| author |   Ming Lei <ming.lei@redhat.com> | 2017-12-18 20:22:09 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-01-06 09:18:00 -0700 |
| commit | c2421edf5f9151d0eb28affbf76e9e4f8ddd03c6 (patch) | |
| tree | 2b766d69e02c2941c2996e2902b54fc859625751 /drivers/md/bcache/btree.c | |
| parent | dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE (diff) | |
| download | linux-dev-c2421edf5f9151d0eb28affbf76e9e4f8ddd03c6.tar.xz linux-dev-c2421edf5f9151d0eb28affbf76e9e4f8ddd03c6.zip | |
bcache: comment on direct access to bvec table
All direct access to bvec table are safe even after multipage bvec is
supported.
Cc: linux-bcache@vger.kernel.org
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/bcache/btree.c')
| -rw-r--r-- | drivers/md/bcache/btree.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 81e8dc3dbe5e..02a4cf646fdc 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -432,6 +432,7 @@ static void do_btree_node_write(struct btree *b) continue_at(cl, btree_node_write_done, NULL); } else { + /* No problem for multipage bvec since the bio is just allocated */ b->bio->bi_vcnt = 0; bch_bio_map(b->bio, i); |