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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-06-04 11:49:43 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-06-08 20:37:54 -0700 |
| commit | 32b6aba85c8dbd1d3a155543986574c6969f0a48 (patch) | |
| tree | 49a3a6da94107e3cdd2fbc060133af680d5f5412 /Documentation | |
| parent | bc67c5d0ce406522cc846159f6a0dc0180be58d6 (diff) | |
| download | lwn-32b6aba85c8dbd1d3a155543986574c6969f0a48.tar.gz lwn-32b6aba85c8dbd1d3a155543986574c6969f0a48.zip | |
f2fs: add node_io_flag for bio flags likewise data_io_flag
This patch adds another way to attach bio flags to node writes.
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 |
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation')
| -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 427f5b45c67f..4bb93a06d8ab 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -333,6 +333,15 @@ Description: Give a way to attach REQ_META|FUA to data writes * 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> |