diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 24 | ||||
| -rw-r--r-- | Documentation/filesystems/f2fs.rst | 2 |
2 files changed, 25 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index bd8a0d19abe6..4bb93a06d8ab 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -323,3 +323,27 @@ What: /sys/fs/f2fs/<disk>/mounted_time_sec Date: February 2020 Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> Description: Show the mounted time in secs of this partition. + +What: /sys/fs/f2fs/<disk>/data_io_flag +Date: April 2020 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: Give a way to attach REQ_META|FUA to data writes + given temperature-based bits. Now the bits indicate: + * REQ_META | REQ_FUA | + * 5 | 4 | 3 | 2 | 1 | 0 | + * Cold | Warm | Hot | Cold | Warm | Hot | + +What: /sys/fs/f2fs/<disk>/node_io_flag +Date: June 2020 +Contact: "Jaegeuk Kim" <jaegeuk@kernel.org> +Description: Give a way to attach REQ_META|FUA to node writes + given temperature-based bits. Now the bits indicate: + * REQ_META | REQ_FUA | + * 5 | 4 | 3 | 2 | 1 | 0 | + * Cold | Warm | Hot | Cold | Warm | Hot | + +What: /sys/fs/f2fs/<disk>/iostat_period_ms +Date: April 2020 +Contact: "Daeho Jeong" <daehojeong@google.com> +Description: Give a way to change iostat_period time. 3secs by default. + The new iostat trace gives stats gap given the period. diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst index 4218ac658629..099d45ac8d8f 100644 --- a/Documentation/filesystems/f2fs.rst +++ b/Documentation/filesystems/f2fs.rst @@ -248,7 +248,7 @@ checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "enabl would be unusable can be viewed at /sys/fs/f2fs/<disk>/unusable This space is reclaimed once checkpoint=enable. compress_algorithm=%s Control compress algorithm, currently f2fs supports "lzo", - "lz4" and "zstd" algorithm. + "lz4", "zstd" and "lzo-rle" algorithm. compress_log_size=%u Support configuring compress cluster size, the size will be 4KB * (1 << %u), 16KB is minimum size, also it's default size. |