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| author | Yangtao Li <frank.li@vivo.com> | 2022-11-23 19:44:02 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-11-28 23:51:01 +0300 |
| commit | 8a47d228de6a4fd4c751142fb27d56f385b3fe41 (patch) | |
| tree | 31e1472134aae5dfbe75f0975ed7e72386b9053d /Documentation/ABI/testing/sysfs-fs-f2fs | |
| parent | 1cd2e6d544359ae13e6fd9029b6018b957cf08c3 (diff) | |
| download | linux-8a47d228de6a4fd4c751142fb27d56f385b3fe41.tar.xz | |
f2fs: introduce discard_urgent_util sysfs node
Through this node, you can control the background discard
to run more aggressively or not aggressively when reach the
utilization rate of the space.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-fs-f2fs')
| -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 32404781e76f..84a009aab1a1 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -647,3 +647,11 @@ Date: October 2022 Contact: "Yangtao Li" <frank.li@vivo.com> Description: Show the current gc_mode as a string. This is a read-only entry. + +What: /sys/fs/f2fs/<disk>/discard_urgent_util +Date: November 2022 +Contact: "Yangtao Li" <frank.li@vivo.com> +Description: When space utilization exceeds this, do background DISCARD aggressively. + Does DISCARD forcibly in a period of given min_discard_issue_time when the number + of discards is not 0 and set discard granularity to 1. + Default: 80 |