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f2fs: add app/fs io stat
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:Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix wrong stat assignment] Signed-off-by:
Jaegeuk Kim <jaegeuk@kernel.org>
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- fs/f2fs/checkpoint.c 24 additions, 10 deletionsfs/f2fs/checkpoint.c
- fs/f2fs/data.c 26 additions, 9 deletionsfs/f2fs/data.c
- fs/f2fs/f2fs.h 56 additions, 3 deletionsfs/f2fs/f2fs.h
- fs/f2fs/file.c 6 additions, 1 deletionfs/f2fs/file.c
- fs/f2fs/gc.c 3 additions, 0 deletionsfs/f2fs/gc.c
- fs/f2fs/inline.c 1 addition, 0 deletionsfs/f2fs/inline.c
- fs/f2fs/node.c 9 additions, 6 deletionsfs/f2fs/node.c
- fs/f2fs/segment.c 19 additions, 2 deletionsfs/f2fs/segment.c
- fs/f2fs/super.c 4 additions, 0 deletionsfs/f2fs/super.c
- fs/f2fs/sysfs.c 52 additions, 0 deletionsfs/f2fs/sysfs.c
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