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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-01-27 22:31:43 +0100 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-02-12 14:58:18 +0100 |
| commit | 47c8ebcce85ed7113e9e3e3f1d8c6374fa87848e (patch) | |
| tree | b9cd52b0f68aab84c283c1fd9b97da308361c381 /Documentation | |
| parent | f2fs: introduce F2FS_IPU_HONOR_OPU_WRITE ipu policy (diff) | |
| download | linux-47c8ebcce85ed7113e9e3e3f1d8c6374fa87848e.tar.xz linux-47c8ebcce85ed7113e9e3e3f1d8c6374fa87848e.zip | |
f2fs: add a way to limit roll forward recovery time
This adds a sysfs entry to call checkpoint during fsync() in order to avoid
long elapsed time to run roll-forward recovery when booting the device.
Default value doesn't enforce the limitation which is same as before.
Reviewed-by: Chao Yu <chao@kernel.org>
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 7b50bf82f14d..58bf0dc83712 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -568,3 +568,9 @@ Contact: "Daeho Jeong" <daehojeong@google.com> Description: You can set the trial count limit for GC urgent high mode with this value. If GC thread gets to the limit, the mode will turn back to GC normal mode. By default, the value is zero, which means there is no limit like before. + +What: /sys/fs/f2fs/<disk>/max_roll_forward_node_blocks +Date: January 2022 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: Controls max # of node block writes to be used for roll forward + recovery. This can limit the roll forward recovery time. |