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由 Chao Yu 提交于
This patch enables inner app/fs io stats and introduces below virtual fs nodes for exposing stats info: /sys/fs/f2fs/<dev>/iostat_enable /proc/fs/f2fs/<dev>/iostat_info Signed-off-by: NChao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix wrong stat assignment] Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>
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