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Diffstat (limited to 'Documentation/ABI/testing/sysfs-fs-f2fs')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index ee3acc8c2cb8..b590809869ca 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -911,3 +911,25 @@ Description: Used to adjust the BG_GC priority when pending IO, with a default v bggc_io_aware = 1 skip background GC if there is pending read IO bggc_io_aware = 2 don't aware IO for background GC ================== ====================================================== + +What: /sys/fs/f2fs/<disk>/allocate_section_hint +Date: August 2025 +Contact: "Liao Yuanhong" <liaoyuanhong@vivo.com> +Description: Indicates the hint section between the first device and others in multi-devices + setup. It defaults to the end of the first device in sections. For a single storage + device, it defaults to the total number of sections. It can be manually set to match + scenarios where multi-devices are mapped to the same dm device. + +What: /sys/fs/f2fs/<disk>/allocate_section_policy +Date: August 2025 +Contact: "Liao Yuanhong" <liaoyuanhong@vivo.com> +Description: Controls write priority in multi-devices setups. A value of 0 means normal writing. + A value of 1 prioritizes writing to devices before the allocate_section_hint. A value of 2 + prioritizes writing to devices after the allocate_section_hint. The default is 0. + + =========================== ========================================================== + value description + allocate_section_policy = 0 Normal writing + allocate_section_policy = 1 Prioritize writing to section before allocate_section_hint + allocate_section_policy = 2 Prioritize writing to section after allocate_section_hint + =========================== ========================================================== |