f2fs: introduce gc_urgent mode for background GC

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This patch adds a sysfs entry to control urgent mode for background GC.
If this is set, background GC thread conducts GC with gc_urgent_sleep_time
all the time.

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 2017-08-06 22:09:00 -07:00

parent 3537581a72

commit d9872a698c

5 changed files with 49 additions and 2 deletions

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12

Documentation/ABI/testing/sysfs-fs-f2fs

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9

Documentation/filesystems/f2fs.txt

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17

fs/f2fs/gc.c

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4

fs/f2fs/gc.h

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9

fs/f2fs/sysfs.c

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