diff options
| author | Daeho Jeong <daehojeong@google.com> | 2024-09-10 01:19:41 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2024-09-11 06:32:54 +0300 |
| commit | 8c890c4c60342719526520133fb1b6f69f196ab8 (patch) | |
| tree | 2d09b7f0174afb5b2cc68763e759fbdb18fa7348 /Documentation/ABI | |
| parent | 5062b5bed4323275f2f89bc185c6a28d62cfcfd5 (diff) | |
| download | linux-8c890c4c60342719526520133fb1b6f69f196ab8.tar.xz | |
f2fs: introduce migration_window_granularity
We can control the scanning window granularity for GC migration. For
more frequent scanning and GC on zoned devices, we need a fine grained
control knob for it.
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 ca61ffcae126..e6fa55037daf 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -783,3 +783,11 @@ Description: The zone UFS we are currently using consists of two parts: blkzone_alloc_policy = 1 Only allow writing to sequential zones blkzone_alloc_policy = 2 Prioritize writing to conventional zones ======================== ========================================= + +What: /sys/fs/f2fs/<disk>/migration_window_granularity +Date: September 2024 +Contact: "Daeho Jeong" <daehojeong@google.com> +Description: Controls migration window granularity of garbage collection on large + section. it can control the scanning window granularity for GC migration + in a unit of segment, while migration_granularity controls the number + of segments which can be migrated at the same turn. |