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@xxxxxxxxx> --- Documentation/filesystems/index.rst | 1 + Documentation/filesystems/jfs.rst | 74 +++++++++++++++++++++++++++++++++++++ Documentation/filesystems/jfs.txt | 52 -------------------------- 3 files changed, 75 insertions(+), 52 deletions(-) create mode 100644 Documentation/filesystems/jfs.rst delete mode 100644 Documentation/filesystems/jfs.txt diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst index 1131c34..d700330 100644 --- a/Documentation/filesystems/index.rst +++ b/Documentation/filesystems/index.rst @@ -41,3 +41,4 @@ Documentation for individual filesystem types can be found here. :maxdepth: 2 binderfs.rst + jfs diff --git a/Documentation/filesystems/jfs.rst b/Documentation/filesystems/jfs.rst new file mode 100644 index 0000000..bfb6110 --- /dev/null +++ b/Documentation/filesystems/jfs.rst @@ -0,0 +1,74 @@ +=========================================== +IBM's Journaled File System (JFS) for Linux +=========================================== + +JFS Homepage: http://jfs.sourceforge.net/ + +Following Mount Options are Supported + +(*) == default + .. tabularcolumns:: |p{1.3cm}|p{1.3cm}|p{8.0cm}| + +.. cssclass:: longtable + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + + * - 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 + - :rspan:`1` :cspan:`1` 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() + + * - nodiscard(*) + - + + +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/ -- 2.7.4