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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2017-08-06 22:09:00 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-08-15 10:40:12 -0700 |
| commit | d9872a698c393e0d1abca86bf05b62712cbfc581 (patch) | |
| tree | e7c272fc1fed41d2a4590f381c0fa5bb983c02f9 /Documentation/ABI | |
| parent | f2fs: use IPU for cold files (diff) | |
| download | linux-dev-d9872a698c393e0d1abca86bf05b62712cbfc581.tar.xz linux-dev-d9872a698c393e0d1abca86bf05b62712cbfc581.zip | |
f2fs: introduce gc_urgent mode for background GC
This patch adds a sysfs entry to control urgent mode for background GC.
If this is set, background GC thread conducts GC with gc_urgent_sleep_time
all the time.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 84c606fb3ca4..621da3fc56c5 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -130,3 +130,15 @@ Date: June 2017 Contact: "Chao Yu" <yuchao0@huawei.com> Description: Controls current reserved blocks in system. + +What: /sys/fs/f2fs/<disk>/gc_urgent +Date: August 2017 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: + Do background GC agressively + +What: /sys/fs/f2fs/<disk>/gc_urgent_sleep_time +Date: August 2017 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: + Controls sleep time of GC urgent mode |