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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-01-14 10:42:11 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-02-04 08:55:34 -0800 |
| commit | 03f2c02d8be76d2080c174cd65d2dfcbbf783708 (patch) | |
| tree | c158cbf3adba51bcd4724e7f0e4cef75fb39b365 /Documentation/ABI | |
| parent | 2010987365ab3b381df20bb6f175b59551cfe67d (diff) | |
| download | lwn-03f2c02d8be76d2080c174cd65d2dfcbbf783708.tar.gz lwn-03f2c02d8be76d2080c174cd65d2dfcbbf783708.zip | |
f2fs: run discard jobs when put_super
When we umount f2fs, we need to avoid long delay due to discard commands, which
is actually taking tens of seconds, if storage is very slow on UNMAP. So, this
patch introduces timeout-based work on it.
By default, let me give 5 seconds for discard.
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 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index a7ce33199457..91822ce25831 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -86,6 +86,13 @@ Description: The unit size is one block, now only support configuring in range of [1, 512]. +What: /sys/fs/f2fs/<disk>/umount_discard_timeout +Date: January 2019 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: + Set timeout to issue discard commands during umount. + Default: 5 secs + What: /sys/fs/f2fs/<disk>/max_victim_search Date: January 2014 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> |