[f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[Bagas Sanjaya]

Hi,

Here are documentation formatting cleanup for f2fs. This also includes
docs retitle at the end of series ([6/6]) as a bonus.

This series is based on docs-next tree.

Enjoy!

Bagas Sanjaya (6):
  Documentation: f2fs: Separate errors mode subtable
  Documentation: f2fs: Format compression level subtable
  Documentation: f2fs: Span write hint table section rows
  Documentation: f2fs: Wrap snippets in literal code blocks
  Documentation: f2fs: Indent compression_mode option list
  Documentation: f2fs: Reword title

 Documentation/filesystems/f2fs.rst | 88 +++++++++++++++++-------------
 1 file changed, 50 insertions(+), 38 deletions(-)


base-commit: 37c52167b007d9d0bb8c5ed53dd6efc4969a1356
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[f2fs-dev] [PATCH 1/6] Documentation: f2fs: Separate errors mode subtable

[Bagas Sanjaya]

errors=%s subtable is shown in htmldocs output as long-running paragraph
instead due to missing separator from its previous paragraph. Add it.

Fixes: b62e71be2110 ("f2fs: support errors=remount-ro|continue|panic mountoption")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index e5bb89452aff29..203631566a2c58 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -357,6 +357,7 @@ errors=%s		 Specify f2fs behavior on critical errors. This supports modes:
 			 panic immediately, continue without doing anything, and remount
 			 the partition in read-only mode. By default it uses "continue"
 			 mode.
+
 			 ====================== =============== =============== ========
 			 mode			continue	remount-ro	panic
 			 ====================== =============== =============== ========
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[f2fs-dev] [PATCH 2/6] Documentation: f2fs: Format compression level subtable

[Bagas Sanjaya]

Format compression_algorithm subtable as reST table as it does the
semantic job rather than normal paragraph.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 203631566a2c58..132c3080ad5c4c 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -291,9 +291,13 @@ compress_algorithm=%s	 Control compress algorithm, currently f2fs supports "lzo"
 			 "lz4", "zstd" and "lzo-rle" algorithm.
 compress_algorithm=%s:%d Control compress algorithm and its compress level, now, only
 			 "lz4" and "zstd" support compress level config.
+
+                         =========      ===========
 			 algorithm	level range
+                         =========      ===========
 			 lz4		3 - 16
 			 zstd		1 - 22
+                         =========      ===========
 compress_log_size=%u	 Support configuring compress cluster size. The size will
 			 be 4KB * (1 << %u). The default and minimum sizes are 16KB.
 compress_extension=%s	 Support adding specified extension, so that f2fs can enable
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[f2fs-dev] [PATCH 3/6] Documentation: f2fs: Span write hint table section rows

[Bagas Sanjaya]

Write hint policy table has two rows which act as section rows: buffered
io and direct io, yet these rows are written as normal rows instead.

Column-span them.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 132c3080ad5c4c..85e015b712c2e1 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -800,11 +800,13 @@ ioctl(COLD)           COLD_DATA                WRITE_LIFE_EXTREME
 extension list        "                        "
 
 -- buffered io
+------------------------------------------------------------------
 N/A                   COLD_DATA                WRITE_LIFE_EXTREME
 N/A                   HOT_DATA                 WRITE_LIFE_SHORT
 N/A                   WARM_DATA                WRITE_LIFE_NOT_SET
 
 -- 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
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[f2fs-dev] [PATCH 4/6] Documentation: f2fs: Wrap snippets in literal code blocks

[Bagas Sanjaya]

Compression mode code and device aliasing shell snippets are shown
in htmldocs output as long-running paragraph instead. Wrap them.

Fixes: 602a16d58e9a ("f2fs: add compress_mode mount option")
Fixes: 128d333f0dff ("f2fs: introduce device aliasing file")
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 58 +++++++++++++++---------------
 1 file changed, 29 insertions(+), 29 deletions(-)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 85e015b712c2e1..0f9472ae62f2cb 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -931,15 +931,15 @@ target file and the timing. The user can do manual compression/decompression on
 compression enabled files using F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
 ioctls like the below.
 
-To decompress a file,
+To decompress a file::
 
-fd = open(filename, O_WRONLY, 0);
-ret = ioctl(fd, F2FS_IOC_DECOMPRESS_FILE);
+  fd = open(filename, O_WRONLY, 0);
+  ret = ioctl(fd, F2FS_IOC_DECOMPRESS_FILE);
 
-To compress a file,
+To compress a file::
 
-fd = open(filename, O_WRONLY, 0);
-ret = ioctl(fd, F2FS_IOC_COMPRESS_FILE);
+  fd = open(filename, O_WRONLY, 0);
+  ret = ioctl(fd, F2FS_IOC_COMPRESS_FILE);
 
 NVMe Zoned Namespace devices
 ----------------------------
@@ -969,32 +969,32 @@ reserved and used by another filesystem or for different purposes. Once that
 external usage is complete, the device aliasing file can be deleted, releasing
 the reserved space back to F2FS for its own use.
 
-<use-case>
+.. code-block::
 
-# ls /dev/vd*
-/dev/vdb (32GB) /dev/vdc (32GB)
-# mkfs.ext4 /dev/vdc
-# mkfs.f2fs -c /dev/vdc@vdc.file /dev/vdb
-# mount /dev/vdb /mnt/f2fs
-# ls -l /mnt/f2fs
-vdc.file
-# df -h
-/dev/vdb                            64G   33G   32G  52% /mnt/f2fs
+   # ls /dev/vd*
+   /dev/vdb (32GB) /dev/vdc (32GB)
+   # mkfs.ext4 /dev/vdc
+   # mkfs.f2fs -c /dev/vdc@vdc.file /dev/vdb
+   # mount /dev/vdb /mnt/f2fs
+   # ls -l /mnt/f2fs
+   vdc.file
+   # df -h
+   /dev/vdb                            64G   33G   32G  52% /mnt/f2fs
 
-# mount -o loop /dev/vdc /mnt/ext4
-# df -h
-/dev/vdb                            64G   33G   32G  52% /mnt/f2fs
-/dev/loop7                          32G   24K   30G   1% /mnt/ext4
-# umount /mnt/ext4
+   # mount -o loop /dev/vdc /mnt/ext4
+   # df -h
+   /dev/vdb                            64G   33G   32G  52% /mnt/f2fs
+   /dev/loop7                          32G   24K   30G   1% /mnt/ext4
+   # umount /mnt/ext4
 
-# f2fs_io getflags /mnt/f2fs/vdc.file
-get a flag on /mnt/f2fs/vdc.file ret=0, flags=nocow(pinned),immutable
-# f2fs_io setflags noimmutable /mnt/f2fs/vdc.file
-get a flag on noimmutable ret=0, flags=800010
-set a flag on /mnt/f2fs/vdc.file ret=0, flags=noimmutable
-# rm /mnt/f2fs/vdc.file
-# df -h
-/dev/vdb                            64G  753M   64G   2% /mnt/f2fs
+   # f2fs_io getflags /mnt/f2fs/vdc.file
+   get a flag on /mnt/f2fs/vdc.file ret=0, flags=nocow(pinned),immutable
+   # f2fs_io setflags noimmutable /mnt/f2fs/vdc.file
+   get a flag on noimmutable ret=0, flags=800010
+   set a flag on /mnt/f2fs/vdc.file ret=0, flags=noimmutable
+   # rm /mnt/f2fs/vdc.file
+   # df -h
+   /dev/vdb                            64G  753M   64G   2% /mnt/f2fs
 
 So, the key idea is, user can do any file operations on /dev/vdc, and
 reclaim the space after the use, while the space is counted as /data.
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[f2fs-dev] [PATCH 5/6] Documentation: f2fs: Indent compression_mode option list

[Bagas Sanjaya]

Indent description text so that compression_mode numbered list gets
rendered as such in htmldocs output.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 0f9472ae62f2cb..146511d63b684e 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -922,14 +922,16 @@ compression enabled files (refer to "Compression implementation" section for how
 enable compression on a regular inode).
 
 1) compress_mode=fs
-This is the default option. f2fs does automatic compression in the writeback of the
-compression enabled files.
+
+   This is the default option. f2fs does automatic compression in the writeback of the
+   compression enabled files.
 
 2) compress_mode=user
-This disables the automatic compression and gives the user discretion of choosing the
-target file and the timing. The user can do manual compression/decompression on the
-compression enabled files using F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
-ioctls like the below.
+
+   This disables the automatic compression and gives the user discretion of choosing the
+   target file and the timing. The user can do manual compression/decompression on the
+   compression enabled files using F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE
+   ioctls like the below.
 
 To decompress a file::
 
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[f2fs-dev] [PATCH 6/6] Documentation: f2fs: Reword title

[Bagas Sanjaya]

"What is F2FS" is rather a mistitle for the whole f2fs docs, as it
implies the overview section (before "Background and design issues"
section) and the docs covers beyond that: from mount options to
filesystem implementation details.

Retitle and add explicit overview section.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
---
 Documentation/filesystems/f2fs.rst | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 146511d63b684e..10504f774e1dff 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -1,8 +1,11 @@
 .. SPDX-License-Identifier: GPL-2.0
 
-==========================================
-WHAT IS Flash-Friendly File System (F2FS)?
-==========================================
+=================================
+Flash-Friendly File System (F2FS)
+=================================
+
+Overview
+========
 
 NAND flash memory-based storage devices, such as SSD, eMMC, and SD cards, have
 been equipped on a variety systems ranging from mobile to server systems. Since
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Re: [f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[Chao Yu via Linux-f2fs-devel]

On 8/20/25 12:34, Bagas Sanjaya wrote:
> Hi,
> 
> Here are documentation formatting cleanup for f2fs. This also includes
> docs retitle at the end of series ([6/6]) as a bonus.
> 
> This series is based on docs-next tree.

This patchset looks good to me, thanks for your work.

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

> 
> Enjoy!
> 
> Bagas Sanjaya (6):
>   Documentation: f2fs: Separate errors mode subtable
>   Documentation: f2fs: Format compression level subtable
>   Documentation: f2fs: Span write hint table section rows
>   Documentation: f2fs: Wrap snippets in literal code blocks
>   Documentation: f2fs: Indent compression_mode option list
>   Documentation: f2fs: Reword title
> 
>  Documentation/filesystems/f2fs.rst | 88 +++++++++++++++++-------------
>  1 file changed, 50 insertions(+), 38 deletions(-)
> 
> 
> base-commit: 37c52167b007d9d0bb8c5ed53dd6efc4969a1356



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Re: [f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[Jonathan Corbet]

Bagas Sanjaya <bagasdotme@gmail.com> writes:

> Hi,
>
> Here are documentation formatting cleanup for f2fs. This also includes
> docs retitle at the end of series ([6/6]) as a bonus.
>
> This series is based on docs-next tree.
>
> Enjoy!
>
> Bagas Sanjaya (6):
>   Documentation: f2fs: Separate errors mode subtable
>   Documentation: f2fs: Format compression level subtable
>   Documentation: f2fs: Span write hint table section rows
>   Documentation: f2fs: Wrap snippets in literal code blocks
>   Documentation: f2fs: Indent compression_mode option list
>   Documentation: f2fs: Reword title
>
>  Documentation/filesystems/f2fs.rst | 88 +++++++++++++++++-------------
>  1 file changed, 50 insertions(+), 38 deletions(-)

Jaegeuk, are you going to pick this up, or would you like me to?

Thanks,

jon


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Re: [f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[Jaegeuk Kim via Linux-f2fs-devel]

On 08/29, Jonathan Corbet wrote:
> Bagas Sanjaya <bagasdotme@gmail.com> writes:
> 
> > Hi,
> >
> > Here are documentation formatting cleanup for f2fs. This also includes
> > docs retitle at the end of series ([6/6]) as a bonus.
> >
> > This series is based on docs-next tree.
> >
> > Enjoy!
> >
> > Bagas Sanjaya (6):
> >   Documentation: f2fs: Separate errors mode subtable
> >   Documentation: f2fs: Format compression level subtable
> >   Documentation: f2fs: Span write hint table section rows
> >   Documentation: f2fs: Wrap snippets in literal code blocks
> >   Documentation: f2fs: Indent compression_mode option list
> >   Documentation: f2fs: Reword title
> >
> >  Documentation/filesystems/f2fs.rst | 88 +++++++++++++++++-------------
> >  1 file changed, 50 insertions(+), 38 deletions(-)
> 
> Jaegeuk, are you going to pick this up, or would you like me to?

Hi, I applied them in the f2fs tree, if you don't mind.

> 
> Thanks,
> 
> jon


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Re: [f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[Jonathan Corbet]

Jaegeuk Kim <jaegeuk@kernel.org> writes:

> On 08/29, Jonathan Corbet wrote:
>> Bagas Sanjaya <bagasdotme@gmail.com> writes:
>> 
>> > Hi,
>> >
>> > Here are documentation formatting cleanup for f2fs. This also includes
>> > docs retitle at the end of series ([6/6]) as a bonus.
>> >
>> > This series is based on docs-next tree.
>> >
>> > Enjoy!
>> >
>> > Bagas Sanjaya (6):
>> >   Documentation: f2fs: Separate errors mode subtable
>> >   Documentation: f2fs: Format compression level subtable
>> >   Documentation: f2fs: Span write hint table section rows
>> >   Documentation: f2fs: Wrap snippets in literal code blocks
>> >   Documentation: f2fs: Indent compression_mode option list
>> >   Documentation: f2fs: Reword title
>> >
>> >  Documentation/filesystems/f2fs.rst | 88 +++++++++++++++++-------------
>> >  1 file changed, 50 insertions(+), 38 deletions(-)
>> 
>> Jaegeuk, are you going to pick this up, or would you like me to?
>
> Hi, I applied them in the f2fs tree, if you don't mind.

Not at all - thanks for letting me know!

jon


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Re: [f2fs-dev] [PATCH 0/6] f2fs: documentation formatting cleanup and improvements

[patchwork-bot+f2fs--- via Linux-f2fs-devel]

Hello:

This series was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Wed, 20 Aug 2025 11:34:26 +0700 you wrote:
> Hi,
> 
> Here are documentation formatting cleanup for f2fs. This also includes
> docs retitle at the end of series ([6/6]) as a bonus.
> 
> This series is based on docs-next tree.
> 
> [...]

Here is the summary with links:
  - [f2fs-dev,1/6] Documentation: f2fs: Separate errors mode subtable
    https://git.kernel.org/jaegeuk/f2fs/c/4bc6bf7b8830
  - [f2fs-dev,2/6] Documentation: f2fs: Format compression level subtable
    https://git.kernel.org/jaegeuk/f2fs/c/f23044152af2
  - [f2fs-dev,3/6] Documentation: f2fs: Span write hint table section rows
    https://git.kernel.org/jaegeuk/f2fs/c/f9c97e496293
  - [f2fs-dev,4/6] Documentation: f2fs: Wrap snippets in literal code blocks
    https://git.kernel.org/jaegeuk/f2fs/c/f4f36fffd872
  - [f2fs-dev,5/6] Documentation: f2fs: Indent compression_mode option list
    https://git.kernel.org/jaegeuk/f2fs/c/e78223268878
  - [f2fs-dev,6/6] Documentation: f2fs: Reword title
    https://git.kernel.org/jaegeuk/f2fs/c/62242ac51061

You are awesome, thank you!
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