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| author | Anuj Gupta <anuj20.g@samsung.com> | 2023-05-23 16:47:09 +0530 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-05-23 11:11:29 -0600 |
| commit | 46930b7cc7727271c9c27aac1fdc97a8645e2d00 (patch) | |
| tree | 4e7054e968e8c359ae8083981e48481c2d9093e7 /drivers | |
| parent | da8d2fe717db06c9cf36b51e4628b2c0ece35b43 (diff) | |
| download | linux-stable-46930b7cc7727271c9c27aac1fdc97a8645e2d00.tar.gz linux-stable-46930b7cc7727271c9c27aac1fdc97a8645e2d00.tar.bz2 linux-stable-46930b7cc7727271c9c27aac1fdc97a8645e2d00.zip | |
block: fix bio-cache for passthru IO
commit <8af870aa5b847> ("block: enable bio caching use for passthru IO")
introduced bio-cache for passthru IO. In case when nr_vecs are greater
than BIO_INLINE_VECS, bio and bvecs are allocated from mempool (instead
of percpu cache) and REQ_ALLOC_CACHE is cleared. This causes the side
effect of not freeing bio/bvecs into mempool on completion.
This patch lets the passthru IO fallback to allocation using bio_kmalloc
when nr_vecs are greater than BIO_INLINE_VECS. The corresponding bio
is freed during call to blk_mq_map_bio_put during completion.
Cc: stable@vger.kernel.org # 6.1
fixes <8af870aa5b847> ("block: enable bio caching use for passthru IO")
Signed-off-by: Anuj Gupta <anuj20.g@samsung.com>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20230523111709.145676-1-anuj20.g@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
0 files changed, 0 insertions, 0 deletions