f2fs: issue discard commands proactively in high fs utilization

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In the high utilization like over 80%, we don't expect huge # of large discard
commands, but do many small pending discards which affects FTL GCs a lot.
Let's issue them in that case.

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 2018-05-29 09:58:42 -07:00

parent d6290814b0

commit 8bb4f2535c

2 changed files with 40 additions and 34 deletions

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3

fs/f2fs/f2fs.h

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71

fs/f2fs/segment.c

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