commit | 40326d8a33d5b70039849d233975b63c733d94a2 | [log] [tgz] |
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author | Shaohua Li <shli@fb.com> | Thu Aug 31 22:09:46 2017 -0700 |
committer | Jens Axboe <axboe@kernel.dk> | Fri Sep 01 08:44:34 2017 -0600 |
tree | 8fcd492241c391279b3957fed2979c1d70aaa1e5 | |
parent | 54bb0ade6627a183c211345761ec46e4bf0048fe [diff] |
block/loop: allow request merge for directio mode Currently loop disables merge. While it makes sense for buffer IO mode, directio mode can benefit from request merge. Without merge, loop could send small size IO to underlayer disk and harm performance. Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>