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f2fs: add new idle interval timing for discard and gc paths

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This helps to control the frequency of submission of discard and
GC requests independently, based on the need.

Suggested-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Sahitya Tummala
2018-09-19 14:18:47 +05:30
committed by Jaegeuk Kim
parent 6f5c2ed0a2
commit a7d10cf3e4
6 changed files with 56 additions and 14 deletions
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17
Documentation/ABI/testing/sysfs-fs-f2fs
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@@ -121,7 +121,22 @@ What: /sys/fs/f2fs/<disk>/idle_interval
Date: January 2016
Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
Description:
Controls the idle timing.
Controls the idle timing for all paths other than
discard and gc path.
What: /sys/fs/f2fs/<disk>/discard_idle_interval
Date: September 2018
Contact: "Chao Yu" <yuchao0@huawei.com>
Contact: "Sahitya Tummala" <stummala@codeaurora.org>
Description:
Controls the idle timing for discard path.
What: /sys/fs/f2fs/<disk>/gc_idle_interval
Date: September 2018
Contact: "Chao Yu" <yuchao0@huawei.com>
Contact: "Sahitya Tummala" <stummala@codeaurora.org>
Description:
Controls the idle timing for gc path.
What: /sys/fs/f2fs/<disk>/iostat_enable
Date: August 2017