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| author | Christoph Hellwig <hch@lst.de> | 2019-11-04 10:05:43 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-11-04 17:13:54 -0700 |
| commit | fa53228721876515adabc7bc74368490bd97aa3b (patch) | |
| tree | b9912fc04e66a51d94a3798b784c3a60d8205910 /block/blk-map.c | |
| parent | d2c9be89f8ebe7ebcc97676ac40f8dec1cf9b43a (diff) | |
| download | linux-fa53228721876515adabc7bc74368490bd97aa3b.tar.gz linux-fa53228721876515adabc7bc74368490bd97aa3b.tar.bz2 linux-fa53228721876515adabc7bc74368490bd97aa3b.zip | |
block: avoid blk_bio_segment_split for small I/O operations
__blk_queue_split() adds significant overhead for small I/O operations.
Add a shortcut to avoid it for cases where we know we never need to
split.
Based on a patch from Ming Lei.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-map.c')
0 files changed, 0 insertions, 0 deletions