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| author | Chao Yu <yuchao0@huawei.com> | 2017-06-26 16:24:41 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-07-07 10:34:41 -0700 |
| commit | daeb433e42de97c79622f58681972200eec1d8da (patch) | |
| tree | b0f24b7eb9f345be975c63af9513c275f777da1b /Documentation | |
| parent | d871cd046f1a5ae816c836cf114d57288bcb00b2 (diff) | |
| download | linux-oxnas-daeb433e42de97c79622f58681972200eec1d8da.tar.gz | |
f2fs: introduce reserved_blocks in sysfs
In this patch, we add a new sysfs interface, with it, we can control
number of reserved blocks in system which could not be used by user,
it enable f2fs to let user to configure for adjusting over-provision
ratio dynamically instead of changing it by mkfs.
So we can expect it will help to reserve more free space for relieving
GC in both filesystem and flash device.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index b09108811ff1f8..84c606fb3ca4df 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -124,3 +124,9 @@ Date: May 2016 Contact: "Sheng Yong" <shengyong1@huawei.com> Description: Controls the injection type. + +What: /sys/fs/f2fs/<disk>/reserved_blocks +Date: June 2017 +Contact: "Chao Yu" <yuchao0@huawei.com> +Description: + Controls current reserved blocks in system. |