f2fs: introduce sysfs/data_io_flag to attach REQ_META/FUA

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This patch introduces a way to attach REQ_META/FUA explicitly
to all the data writes given temperature.

-> attach REQ_FUA to Hot Data writes

-> attach REQ_FUA to Hot|Warm Data writes

-> attach REQ_FUA to Hot|Warm|Cold Data writes

-> attach REQ_FUA to Hot|Warm|Cold Data writes as well as
          REQ_META to Hot Data writes

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

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This commit is contained in:

Jaegeuk Kim 2020-04-02 09:32:35 -07:00

parent 63bef48fd6

commit da9953b729

4 changed files with 37 additions and 1 deletions

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9

Documentation/ABI/testing/sysfs-fs-f2fs

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23

fs/f2fs/data.c

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3

fs/f2fs/f2fs.h

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3

fs/f2fs/sysfs.c

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