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| author |  Jens Axboe <axboe@kernel.dk>
| 2022-09-02 10:40:11 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk>
| 2022-09-02 13:03:33 -0600 |
| commit | 12c5b70c1897288ee6c841b5cc3ff4d27d511bd1 (patch) | |
| tree | ecd6638d302bb9d5104ac67c46df2d05f0fddda2 /block/blk-mq-tag.c | |
| parent | sbitmap: fix batched wait_cnt accounting (diff) | |
| download | linux-12c5b70c1897288ee6c841b5cc3ff4d27d511bd1.tar.gz linux-12c5b70c1897288ee6c841b5cc3ff4d27d511bd1.tar.bz2 linux-12c5b70c1897288ee6c841b5cc3ff4d27d511bd1.zip | |
block: enable per-cpu bio caching for the fs bio set
This is useful for polled IO on a file, or for polled IO with the
io_uring passthrough mechanism. If bio allocations are done with
REQ_POLLED for those cases, then initializing the bio set with
BIOSET_PERCPU_CACHE enables the local per-cpu cache which eliminates
allocations (and frees) of bio structs when possible.
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-tag.c')
0 files changed, 0 insertions, 0 deletions