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authorJaegeuk Kim <jaegeuk@kernel.org>2022-04-12 14:45:50 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2022-04-20 11:16:43 -0700
commit930e2607638de8325686319b2789323cc85ea671 (patch)
treed4297144f3ee0aece6fd8e4a40fac163c4be303a /Documentation
parentce522ba9ef7e2d9fb22a39eb3371c0c64e2a433e (diff)
f2fs: remove obsolete whint_mode
This patch removes obsolete whint_mode. Fixes: 41d36a9f3e53 ("fs: remove kiocb.ki_hint") Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/f2fs.rst70
1 files changed, 0 insertions, 70 deletions
diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 4a2426f0485a..ad8dc8c040a2 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -235,12 +235,6 @@ offgrpjquota Turn off group journalled quota.
offprjjquota Turn off project journalled quota.
quota Enable plain user disk quota accounting.
noquota Disable all plain disk quota option.
-whint_mode=%s Control which write hints are passed down to block
- layer. This supports "off", "user-based", and
- "fs-based". In "off" mode (default), f2fs does not pass
- down hints. In "user-based" mode, f2fs tries to pass
- down hints given by users. And in "fs-based" mode, f2fs
- passes down hints with its policy.
alloc_mode=%s Adjust block allocation policy, which supports "reuse"
and "default".
fsync_mode=%s Control the policy of fsync. Currently supports "posix",
@@ -751,70 +745,6 @@ In order to identify whether the data in the victim segment are valid or not,
F2FS manages a bitmap. Each bit represents the validity of a block, and the
bitmap is composed of a bit stream covering whole blocks in main area.
-Write-hint Policy
------------------
-
-1) whint_mode=off. F2FS only passes down WRITE_LIFE_NOT_SET.
-
-2) whint_mode=user-based. F2FS tries to pass down hints given by
-users.
-
-===================== ======================== ===================
-User F2FS Block
-===================== ======================== ===================
-N/A META WRITE_LIFE_NOT_SET
-N/A HOT_NODE "
-N/A WARM_NODE "
-N/A COLD_NODE "
-ioctl(COLD) COLD_DATA WRITE_LIFE_EXTREME
-extension list " "
-
--- buffered io
-WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
-WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
-WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_NOT_SET
-WRITE_LIFE_NONE " "
-WRITE_LIFE_MEDIUM " "
-WRITE_LIFE_LONG " "
-
--- direct io
-WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
-WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
-WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_NOT_SET
-WRITE_LIFE_NONE " WRITE_LIFE_NONE
-WRITE_LIFE_MEDIUM " WRITE_LIFE_MEDIUM
-WRITE_LIFE_LONG " WRITE_LIFE_LONG
-===================== ======================== ===================
-
-3) whint_mode=fs-based. F2FS passes down hints with its policy.
-
-===================== ======================== ===================
-User F2FS Block
-===================== ======================== ===================
-N/A META WRITE_LIFE_MEDIUM;
-N/A HOT_NODE WRITE_LIFE_NOT_SET
-N/A WARM_NODE "
-N/A COLD_NODE WRITE_LIFE_NONE
-ioctl(COLD) COLD_DATA WRITE_LIFE_EXTREME
-extension list " "
-
--- buffered io
-WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
-WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
-WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_LONG
-WRITE_LIFE_NONE " "
-WRITE_LIFE_MEDIUM " "
-WRITE_LIFE_LONG " "
-
--- direct io
-WRITE_LIFE_EXTREME COLD_DATA WRITE_LIFE_EXTREME
-WRITE_LIFE_SHORT HOT_DATA WRITE_LIFE_SHORT
-WRITE_LIFE_NOT_SET WARM_DATA WRITE_LIFE_NOT_SET
-WRITE_LIFE_NONE " WRITE_LIFE_NONE
-WRITE_LIFE_MEDIUM " WRITE_LIFE_MEDIUM
-WRITE_LIFE_LONG " WRITE_LIFE_LONG
-===================== ======================== ===================
-
Fallocate(2) Policy
-------------------