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Documentation: filesystems: Convert jfs.txt to

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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@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Shobhit Kukreti 2019-07-10 08:29:01 -07:00 committed by Jonathan Corbet
parent e226b4f0e0
commit ac841c4e45
2 changed files with 30 additions and 15 deletions
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1
Documentation/admin-guide/index.rst
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@ -78,6 +78,7 @@ configure specific aspects of kernel behavior to your liking.
ext4 ext4
binderfs binderfs
xfs xfs
jfs
pm/index pm/index
thunderbolt thunderbolt
LSM/index LSM/index

44
Documentation/filesystems/jfs.txt → Documentation/admin-guide/jfs.rst
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@ -1,45 +1,59 @@
===========================================
IBM's Journaled File System (JFS) for Linux IBM's Journaled File System (JFS) for Linux
===========================================
JFS Homepage: http://jfs.sourceforge.net/ JFS Homepage: http://jfs.sourceforge.net/
The following mount options are supported: The following mount options are supported:
(*) == default (*) == default
iocharset=name Character set to use for converting from Unicode to iocharset=name
Character set to use for converting from Unicode to
ASCII. The default is to do no conversion. Use ASCII. The default is to do no conversion. Use
iocharset=utf8 for UTF-8 translations. This requires iocharset=utf8 for UTF-8 translations. This requires
CONFIG_NLS_UTF8 to be set in the kernel .config file. CONFIG_NLS_UTF8 to be set in the kernel .config file.
iocharset=none specifies the default behavior explicitly. iocharset=none specifies the default behavior explicitly.
resize=value Resize the volume to <value> blocks. JFS only supports resize=value
Resize the volume to <value> blocks. JFS only supports
growing a volume, not shrinking it. This option is only growing a volume, not shrinking it. This option is only
valid during a remount, when the volume is mounted valid during a remount, when the volume is mounted
read-write. The resize keyword with no value will grow read-write. The resize keyword with no value will grow
the volume to the full size of the partition. the volume to the full size of the partition.
nointegrity Do not write to the journal. The primary use of this option nointegrity
Do not write to the journal. The primary use of this option
is to allow for higher performance when restoring a volume is to allow for higher performance when restoring a volume
from backup media. The integrity of the volume is not from backup media. The integrity of the volume is not
guaranteed if the system abnormally abends. guaranteed if the system abnormally abends.
integrity(*) Commit metadata changes to the journal. Use this option to integrity(*)
Commit metadata changes to the journal. Use this option to
remount a volume where the nointegrity option was remount a volume where the nointegrity option was
previously specified in order to restore normal behavior. previously specified in order to restore normal behavior.
errors=continue Keep going on a filesystem error. errors=continue
errors=remount-ro(*) Remount the filesystem read-only on an error. Keep going on a filesystem error.
errors=panic Panic and halt the machine if an error occurs. 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 uid=value
gid=value Override on-disk gid with specified value Override on-disk uid with specified value
umask=value Override on-disk umask with specified octal value. For gid=value
directories, the execute bit will be set if the corresponding 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. read bit is set.
discard=minlen This enables/disables the use of discard/TRIM commands. discard=minlen, discard/nodiscard(*)
discard The discard/TRIM commands are sent to the underlying This enables/disables the use of discard/TRIM commands.
nodiscard(*) block device when blocks are freed. This is useful for SSD The discard/TRIM commands are sent to the underlying
devices and sparse/thinly-provisioned LUNs. The FITRIM ioctl 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. command is also available together with the nodiscard option.
The value of minlen specifies the minimum blockcount, when The value of minlen specifies the minimum blockcount, when
a TRIM command to the block device is considered useful. a TRIM command to the block device is considered useful.