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| author | Yangtao Li <frank.li@vivo.com> | 2023-01-04 19:40:29 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-01-30 13:23:51 -0800 |
| commit | 120e0ea12d90ad15127ad50944975fc8c81666b7 (patch) | |
| tree | 2f2b3f1eb12fd74cbce49ad9ef00cf8a171e16e4 /Documentation/ABI | |
| parent | c5f9db2548d0ac988df81aa34cc63f3b2ed374f9 (diff) | |
| download | linux-stable-120e0ea12d90ad15127ad50944975fc8c81666b7.tar.gz linux-stable-120e0ea12d90ad15127ad50944975fc8c81666b7.tar.bz2 linux-stable-120e0ea12d90ad15127ad50944975fc8c81666b7.zip | |
f2fs: introduce discard_io_aware_gran sysfs node
The current discard_io_aware_gran is a fixed value, change it to be
configurable through the sys node.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index aaa379bb8a8f..75420c242cc4 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -708,3 +708,12 @@ Description: Support configuring fault injection type, should be FAULT_LOCK_OP 0x000020000 FAULT_BLKADDR 0x000040000 =================== =========== + +What: /sys/fs/f2fs/<disk>/discard_io_aware_gran +Date: January 2023 +Contact: "Yangtao Li" <frank.li@vivo.com> +Description: Controls background discard granularity of inner discard thread + when is not in idle. Inner thread will not issue discards with size that + is smaller than granularity. The unit size is one block(4KB), now only + support configuring in range of [0, 512]. + Default: 512 |