diff options
| author | Daeho Jeong <daehojeong@google.com> | 2024-09-10 01:19:46 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-09-11 06:33:08 +0300 |
| commit | e791d00bd06cb2d3a10afa43e57f6364931d0ada (patch) | |
| tree | 17f067d759cf9078c04a0677a30ffbd4c7e68c5a /Documentation/ABI | |
| parent | 9a481a1c16f4653c3414d996c3603eb42926e28b (diff) | |
| download | linux-e791d00bd06cb2d3a10afa43e57f6364931d0ada.tar.xz | |
f2fs: add valid block ratio not to do excessive GC for one time GC
We need to introduce a valid block ratio threshold not to trigger
excessive GC for zoned deivces. The initial value of it is 95%. So, F2FS
will stop the thread from intiating GC for sections having valid blocks
exceeding the ratio.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 0be1a53925c4..fdedf1ea944b 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -811,3 +811,11 @@ Contact: "Daeho Jeong" <daehojeong@google.com> Description: If the percentage of free sections over total sections is under this number, F2FS boosts garbage collection for zoned devices through the background GC thread. the default number is "25". + +What: /sys/fs/f2fs/<disk>/gc_valid_thresh_ratio +Date: September 2024 +Contact: "Daeho Jeong" <daehojeong@google.com> +Description: It controls the valid block ratio threshold not to trigger excessive GC + for zoned deivces. The initial value of it is 95(%). F2FS will stop the + background GC thread from intiating GC for sections having valid blocks + exceeding the ratio. |