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f2fs: detect idle time depending on user behavior

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This patch adds last time that user requested filesystem operations.
This information is used to detect whether system is idle or not later.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-01-08 16:57:48 -08:00
parent 6beceb5427
commit d0239e1bf5
10 changed files with 44 additions and 10 deletions
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6
Documentation/ABI/testing/sysfs-fs-f2fs
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@@ -87,6 +87,12 @@ Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
Description:
Controls the checkpoint timing.
What: /sys/fs/f2fs/<disk>/idle_interval
Date: January 2016
Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
Description:
Controls the idle timing.
What: /sys/fs/f2fs/<disk>/ra_nid_pages
Date: October 2015
Contact: "Chao Yu" <chao2.yu@samsung.com>