f2fs: delete DIO read lock

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This lock can be a contention with multi 4k random read IO with single inode.

example) fio --output=test --name=test --numjobs=60 --filename=/media/samsung960pro/file_test --rw=randread --bs=4k
 --direct=1 --time_based --runtime=7 --ioengine=libaio --iodepth=256 --group_reporting --size=10G

With this commit, it remove that possible lock contention.

Signed-off-by: Dongjoo Seo <commisori28@gmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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DongDongJu 2020-03-20 15:01:32 +09:00 • committed by Jaegeuk Kim

parent 530e070420

commit ad8d6a02d6

1 changed files with 2 additions and 1 deletions

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fs/f2fs/data.c

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