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Date: Wed, 10 Jul 2019 09:33:23 -0300
From: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
To: Shobhit Kukreti <shobhitkukreti@...il.com>
Cc: willy@...radead.org, Jonathan Corbet <corbet@....net>,
skhan@...uxfoundation.org,
linux-kernel-mentees@...ts.linuxfoundation.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Documentation: filesystems: Convert jfs.txt to
Em Tue, 9 Jul 2019 20:25:25 -0700
Shobhit Kukreti <shobhitkukreti@...il.com> escreveu:
> This converts the plain text documentation of jfs.txt to reStructuredText format.
> Added to documentation build process and verified with make htmldocs
>
> Signed-off-by: Shobhit Kukreti <shobhitkukreti@...il.com>
> ---
> Changes in v2:
> 1. Removed flat-table.
> 2. Moved jfs.rst from filesystem to admin-guide
>
> Documentation/admin-guide/index.rst | 1 +
> Documentation/admin-guide/jfs.rst | 50 +++++++++++++++++++++++++++++++++++
> Documentation/filesystems/jfs.txt | 52 -------------------------------------
> 3 files changed, 51 insertions(+), 52 deletions(-)
> create mode 100644 Documentation/admin-guide/jfs.rst
> delete mode 100644 Documentation/filesystems/jfs.txt
As commented on ufs patch, please use -M1 to show it as a diff, and not as
two separate changes.
>
> diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
> index 8001917..2871b79 100644
> --- a/Documentation/admin-guide/index.rst
> +++ b/Documentation/admin-guide/index.rst
> @@ -70,6 +70,7 @@ configure specific aspects of kernel behavior to your liking.
> ras
> bcache
> ext4
> + jfs
> pm/index
> thunderbolt
> LSM/index
> diff --git a/Documentation/admin-guide/jfs.rst b/Documentation/admin-guide/jfs.rst
> new file mode 100644
> index 0000000..a0a95e5
> --- /dev/null
> +++ b/Documentation/admin-guide/jfs.rst
> @@ -0,0 +1,50 @@
> +===========================================
> +IBM's Journaled File System (JFS) for Linux
> +===========================================
> +
> +JFS Homepage: `<http://jfs.sourceforge.net/>`_
> +
No need. Just keep it as:
JFS Homepage: http://jfs.sourceforge.net/
Sphinx will do the right thing when it finds a URL that starts with
http/https.
> +The following mount options are supported:
> +(*) == default
You need a blank line between those two above.
> +
> +**iocharset=name** Character set to use for converting from Unicode to ASCII. The default is to do no conversion.
> +
> +**iocharset=utf8** Use for UTF-8 translations. This requires CONFIG_NLS_UTF8 to be set in the kernel .config file.
> +
> +**iocharset=none** specifies the default behavior explicitly.
> +
> +**resize=value** Resize the volume to <value> blocks. JFS only supports growing a volume, not shrinking it.
> +This option is only valid during a remount, when the volume is mounted read-write. The resize keyword with no value
> +will grow the volume to the full size of the partition.
> +
> +
> +**nointegrity** Do not write to the journal. The primary use of this option is to allow for higher performance
> +when restoring a volume from backup media. The integrity of the volume is not guaranteed if the system abnormally abends.
> +
> +**integrity(*)** Commit metadata changes to the journal. Use this option to remount a volume where the nointegrity
> +option was previously specified in order to restore normal behavior.
> +
> +**errors=continue** Keep going on a filesystem error.
> +
> +**errors=remount-ro(*)** Remount the filesystem read-only on an error.
> +
> +**errors=panic** Panic and halt the machine if an error occurs.
> +
> +**uid=value** Override on-disk uid with specified value
> +
> +**gid=value** Override on-disk gid with specified value
> +
> +**umask=value** Override on-disk umask with specified octal value. For directories, the execute bit will be set if the
> +corresponding read bit is set.
> +
> +**discard=minlen, discard, nodiscard(*)**
Please preserve as much as possible the original format.
If you just place the mount option on one line and the description at the
next one, e. g.:
iocharset=name
Character set to use for converting from Unicode to
ASCII. The default is to do no conversion. Use
iocharset=utf8 for UTF-8 translations. This requires
CONFIG_NLS_UTF8 to be set in the kernel .config file.
iocharset=none specifies the default behavior explicitly.
resize=value
Resize the volume to <value> blocks. JFS only supports
growing a volume, not shrinking it. This option is only
valid during a remount, when the volume is mounted
read-write. The resize keyword with no value will grow
the volume to the full size of the partition.
...
It will produce a very nice output, and the changes will be minimum,
without any special markup.
> +
> +This enables/disables the use of discard/TRIM commands. The discard/TRIM
> +commands are sent to the underlying block device when blocks are freed. This is useful for SSD devices and
> +sparse/thinly-provisioned LUNs. The FITRIM ioctl command is also available together with the nodiscard option.
> +The value of minlen specifies the minimum blockcount, when a TRIM command to the block device is considered useful.
> +When no value is given to the discard option, it defaults to 64 blocks, which means 256KiB in JFS. The minlen value
> +of discard overrides the minlen value given on an FITRIM ioctl().
> +
> +The JFS mailing list can be subscribed to by using the link labeled
> +"Mail list Subscribe" at our web page `<http://jfs.sourceforge.net/>`_
Same here: just keep the URL as-is:
The JFS mailing list can be subscribed to by using the link labeled
"Mail list Subscribe" at our web page http://jfs.sourceforge.net/
> diff --git a/Documentation/filesystems/jfs.txt b/Documentation/filesystems/jfs.txt
> deleted file mode 100644
> index 41fd757..0000000
> --- a/Documentation/filesystems/jfs.txt
> +++ /dev/null
> @@ -1,52 +0,0 @@
> -IBM's Journaled File System (JFS) for Linux
> -
> -JFS Homepage: http://jfs.sourceforge.net/
> -
> -The following mount options are supported:
> -(*) == default
> -
> -iocharset=name Character set to use for converting from Unicode to
> - ASCII. The default is to do no conversion. Use
> - iocharset=utf8 for UTF-8 translations. This requires
> - CONFIG_NLS_UTF8 to be set in the kernel .config file.
> - iocharset=none specifies the default behavior explicitly.
> -
> -resize=value Resize the volume to <value> blocks. JFS only supports
> - growing a volume, not shrinking it. This option is only
> - valid during a remount, when the volume is mounted
> - read-write. The resize keyword with no value will grow
> - the volume to the full size of the partition.
> -
> -nointegrity Do not write to the journal. The primary use of this option
> - is to allow for higher performance when restoring a volume
> - from backup media. The integrity of the volume is not
> - guaranteed if the system abnormally abends.
> -
> -integrity(*) Commit metadata changes to the journal. Use this option to
> - remount a volume where the nointegrity option was
> - previously specified in order to restore normal behavior.
> -
> -errors=continue Keep going on a filesystem error.
> -errors=remount-ro(*) Remount the filesystem read-only on an error.
> -errors=panic Panic and halt the machine if an error occurs.
> -
> -uid=value Override on-disk uid with specified value
> -gid=value Override on-disk gid with specified value
> -umask=value Override on-disk umask with specified octal value. For
> - directories, the execute bit will be set if the corresponding
> - read bit is set.
> -
> -discard=minlen This enables/disables the use of discard/TRIM commands.
> -discard The discard/TRIM commands are sent to the underlying
> -nodiscard(*) block device when blocks are freed. This is useful for SSD
> - devices and sparse/thinly-provisioned LUNs. The FITRIM ioctl
> - command is also available together with the nodiscard option.
> - The value of minlen specifies the minimum blockcount, when
> - a TRIM command to the block device is considered useful.
> - When no value is given to the discard option, it defaults to
> - 64 blocks, which means 256KiB in JFS.
> - The minlen value of discard overrides the minlen value given
> - on an FITRIM ioctl().
> -
> -The JFS mailing list can be subscribed to by using the link labeled
> -"Mail list Subscribe" at our web page http://jfs.sourceforge.net/
Thanks,
Mauro
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