f2fs: add to account direct IO

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This patch adds f2fs_dio_submit_bio() to hook submit_io/end_io functions
in direct IO path, in order to account DIO.

Later, we will add this count into is_idle() to let background GC/Discard
thread be aware of DIO.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Chao Yu 2018-11-12 00:46:46 +08:00 • committed by Jaegeuk Kim

parent b61ac5b720

commit 02b16d0a34

3 changed files with 64 additions and 1 deletions

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51

fs/f2fs/data.c

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4

fs/f2fs/debug.c

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10

fs/f2fs/f2fs.h

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