diff options
| author | Chao Yu <yuchao0@huawei.com> | 2017-06-26 16:24:41 +0800 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2017-07-21 12:38:06 +0200 |
| commit | 46abd3e08f821f25d4ca610469965aa32298ef7f (patch) | |
| tree | d6496bb890922d8a01c0a5a726539a7349306695 /Documentation | |
| parent | 1b88d32995bbc46cecd41d0097b9710dfc11f1ee (diff) | |
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>
Conflicts:
Documentation/ABI/testing/sysfs-fs-f2fs
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index a809f6005..0421717ce 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -112,3 +112,21 @@ Date: January 2016 Contact: "Shuoran Liu" <liushuoran@huawei.com> Description: Shows total written kbytes issued to disk. + +What: /sys/fs/f2fs/<disk>/inject_rate +Date: May 2016 +Contact: "Sheng Yong" <shengyong1@huawei.com> +Description: + Controls the injection rate. + +What: /sys/fs/f2fs/<disk>/inject_type +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. |