diff options
| author | NeilBrown <neilb@suse.com> | 2017-06-18 14:38:59 +1000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-18 12:40:59 -0600 |
| commit | 5a136fdf5a0ab3c021ef6d989bb56a361e132234 (patch) | |
| tree | dca47cf7c7b3baeaf1e47257bc14b3e2b3935d69 | |
| parent | 4559fa55193f71d715319b841f8613d8442283d6 (diff) | |
bcache: use kmalloc to allocate bio in bch_data_verify()
This function allocates a bio, then a collection
of pages. It copes with failure.
It currently uses a mempool() to allocate the bio,
but alloc_page() to allocate the pages. These fail
in different ways, so the usage is inconsistent.
Change the bio_clone() to bio_clone_kmalloc()
so that no pool is used either for the bio or the pages.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Kent Overstreet <kent.overstreet@gmail.com>
Reviewed-by : Ming Lei <ming.lei@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/md/bcache/debug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 06f55056aaae..35a5a7210e51 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -110,7 +110,7 @@ void bch_data_verify(struct cached_dev *dc, struct bio *bio) struct bio_vec bv, cbv; struct bvec_iter iter, citer = { 0 }; - check = bio_clone(bio, GFP_NOIO); + check = bio_clone_kmalloc(bio, GFP_NOIO); if (!check) return; check->bi_opf = REQ_OP_READ; |