Re: [PATCH v8] Documentation: filesystem: Convert xfs.txt to ReST

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On Sun, Jul 14, 2019 at 01:58:31PM +0100, Sheriff Esseson wrote:
> Move xfs.txt to admin-guide, convert xfs.txt to ReST and broken references
> 
> Signed-off-by: Sheriff Esseson <sheriffesseson@xxxxxxxxx>

Looks ok, will pull through the XFS tree.  Thanks for the submission!
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
> 
> changes in v8:
> 	- fix table of Deprecated and Removed options.
> 
>  Documentation/admin-guide/index.rst           |   1 +
>  .../xfs.txt => admin-guide/xfs.rst}           | 132 +++++++++---------
>  Documentation/filesystems/dax.txt             |   2 +-
>  MAINTAINERS                                   |   2 +-
>  4 files changed, 67 insertions(+), 70 deletions(-)
>  rename Documentation/{filesystems/xfs.txt => admin-guide/xfs.rst} (80%)
> 
> diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
> index 24fbe0568eff..0615ea3a744c 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
> +   xfs
>     binderfs
>     pm/index
>     thunderbolt
> diff --git a/Documentation/filesystems/xfs.txt b/Documentation/admin-guide/xfs.rst
> similarity index 80%
> rename from Documentation/filesystems/xfs.txt
> rename to Documentation/admin-guide/xfs.rst
> index a5cbb5e0e3db..e76665a8f2f2 100644
> --- a/Documentation/filesystems/xfs.txt
> +++ b/Documentation/admin-guide/xfs.rst
> @@ -1,4 +1,6 @@
> +.. SPDX-License-Identifier: GPL-2.0
>  
> +======================
>  The SGI XFS Filesystem
>  ======================
>  
> @@ -18,8 +20,6 @@ Mount Options
>  =============
>  
>  When mounting an XFS filesystem, the following options are accepted.
> -For boolean mount options, the names with the (*) suffix is the
> -default behaviour.
>  
>    allocsize=size
>  	Sets the buffered I/O end-of-file preallocation size when
> @@ -31,46 +31,43 @@ default behaviour.
>  	preallocation size, which uses a set of heuristics to
>  	optimise the preallocation size based on the current
>  	allocation patterns within the file and the access patterns
> -	to the file. Specifying a fixed allocsize value turns off
> +	to the file. Specifying a fixed ``allocsize`` value turns off
>  	the dynamic behaviour.
>  
> -  attr2
> -  noattr2
> +  attr2 or noattr2
>  	The options enable/disable an "opportunistic" improvement to
>  	be made in the way inline extended attributes are stored
>  	on-disk.  When the new form is used for the first time when
> -	attr2 is selected (either when setting or removing extended
> +	``attr2`` is selected (either when setting or removing extended
>  	attributes) the on-disk superblock feature bit field will be
>  	updated to reflect this format being in use.
>  
>  	The default behaviour is determined by the on-disk feature
> -	bit indicating that attr2 behaviour is active. If either
> -	mount option it set, then that becomes the new default used
> +	bit indicating that ``attr2`` behaviour is active. If either
> +	mount option is set, then that becomes the new default used
>  	by the filesystem.
>  
> -	CRC enabled filesystems always use the attr2 format, and so
> -	will reject the noattr2 mount option if it is set.
> +	CRC enabled filesystems always use the ``attr2`` format, and so
> +	will reject the ``noattr2`` mount option if it is set.
>  
> -  discard
> -  nodiscard (*)
> +  discard or nodiscard (default)
>  	Enable/disable the issuing of commands to let the block
>  	device reclaim space freed by the filesystem.  This is
>  	useful for SSD devices, thinly provisioned LUNs and virtual
>  	machine images, but may have a performance impact.
>  
> -	Note: It is currently recommended that you use the fstrim
> -	application to discard unused blocks rather than the discard
> +	Note: It is currently recommended that you use the ``fstrim``
> +	application to ``discard`` unused blocks rather than the ``discard``
>  	mount option because the performance impact of this option
>  	is quite severe.
>  
> -  grpid/bsdgroups
> -  nogrpid/sysvgroups (*)
> +  grpid/bsdgroups or nogrpid/sysvgroups (default)
>  	These options define what group ID a newly created file
> -	gets.  When grpid is set, it takes the group ID of the
> +	gets.  When ``grpid`` is set, it takes the group ID of the
>  	directory in which it is created; otherwise it takes the
> -	fsgid of the current process, unless the directory has the
> -	setgid bit set, in which case it takes the gid from the
> -	parent directory, and also gets the setgid bit set if it is
> +	``fsgid`` of the current process, unless the directory has the
> +	``setgid`` bit set, in which case it takes the ``gid`` from the
> +	parent directory, and also gets the ``setgid`` bit set if it is
>  	a directory itself.
>  
>    filestreams
> @@ -78,46 +75,42 @@ default behaviour.
>  	across the entire filesystem rather than just on directories
>  	configured to use it.
>  
> -  ikeep
> -  noikeep (*)
> -	When ikeep is specified, XFS does not delete empty inode
> -	clusters and keeps them around on disk.  When noikeep is
> +  ikeep or noikeep (default)
> +	When ``ikeep`` is specified, XFS does not delete empty inode
> +	clusters and keeps them around on disk.  When ``noikeep`` is
>  	specified, empty inode clusters are returned to the free
>  	space pool.
>  
> -  inode32
> -  inode64 (*)
> -	When inode32 is specified, it indicates that XFS limits
> +  inode32 or inode64 (default)
> +	When ``inode32`` is specified, it indicates that XFS limits
>  	inode creation to locations which will not result in inode
>  	numbers with more than 32 bits of significance.
>  
> -	When inode64 is specified, it indicates that XFS is allowed
> +	When ``inode64`` is specified, it indicates that XFS is allowed
>  	to create inodes at any location in the filesystem,
>  	including those which will result in inode numbers occupying
> -	more than 32 bits of significance. 
> +	more than 32 bits of significance.
>  
> -	inode32 is provided for backwards compatibility with older
> +	``inode32`` is provided for backwards compatibility with older
>  	systems and applications, since 64 bits inode numbers might
>  	cause problems for some applications that cannot handle
>  	large inode numbers.  If applications are in use which do
> -	not handle inode numbers bigger than 32 bits, the inode32
> +	not handle inode numbers bigger than 32 bits, the ``inode32``
>  	option should be specified.
>  
> -
> -  largeio
> -  nolargeio (*)
> -	If "nolargeio" is specified, the optimal I/O reported in
> -	st_blksize by stat(2) will be as small as possible to allow
> +  largeio or nolargeio (default)
> +	If ``nolargeio`` is specified, the optimal I/O reported in
> +	``st_blksize`` by **stat(2)** will be as small as possible to allow
>  	user applications to avoid inefficient read/modify/write
>  	I/O.  This is typically the page size of the machine, as
>  	this is the granularity of the page cache.
>  
> -	If "largeio" specified, a filesystem that was created with a
> -	"swidth" specified will return the "swidth" value (in bytes)
> -	in st_blksize. If the filesystem does not have a "swidth"
> -	specified but does specify an "allocsize" then "allocsize"
> +	If ``largeio`` is specified, a filesystem that was created with a
> +	``swidth`` specified will return the ``swidth`` value (in bytes)
> +	in ``st_blksize``. If the filesystem does not have a ``swidth``
> +	specified but does specify an ``allocsize`` then ``allocsize``
>  	(in bytes) will be returned instead. Otherwise the behaviour
> -	is the same as if "nolargeio" was specified.
> +	is the same as if ``nolargeio`` was specified.
>  
>    logbufs=value
>  	Set the number of in-memory log buffers.  Valid numbers
> @@ -127,7 +120,7 @@ default behaviour.
>  
>  	If the memory cost of 8 log buffers is too high on small
>  	systems, then it may be reduced at some cost to performance
> -	on metadata intensive workloads. The logbsize option below
> +	on metadata intensive workloads. The ``logbsize`` option below
>  	controls the size of each buffer and so is also relevant to
>  	this case.
>  
> @@ -138,7 +131,7 @@ default behaviour.
>  	and 32768 (32k).  Valid sizes for version 2 logs also
>  	include 65536 (64k), 131072 (128k) and 262144 (256k). The
>  	logbsize must be an integer multiple of the log
> -	stripe unit configured at mkfs time.
> +	stripe unit configured at **mkfs(8)** time.
>  
>  	The default value for for version 1 logs is 32768, while the
>  	default value for version 2 logs is MAX(32768, log_sunit).
> @@ -153,21 +146,21 @@ default behaviour.
>    noalign
>  	Data allocations will not be aligned at stripe unit
>  	boundaries. This is only relevant to filesystems created
> -	with non-zero data alignment parameters (sunit, swidth) by
> -	mkfs.
> +	with non-zero data alignment parameters (``sunit``, ``swidth``) by
> +	**mkfs(8)**.
>  
>    norecovery
>  	The filesystem will be mounted without running log recovery.
>  	If the filesystem was not cleanly unmounted, it is likely to
> -	be inconsistent when mounted in "norecovery" mode.
> +	be inconsistent when mounted in ``norecovery`` mode.
>  	Some files or directories may not be accessible because of this.
> -	Filesystems mounted "norecovery" must be mounted read-only or
> +	Filesystems mounted ``norecovery`` must be mounted read-only or
>  	the mount will fail.
>  
>    nouuid
>  	Don't check for double mounted file systems using the file
> -	system uuid.  This is useful to mount LVM snapshot volumes,
> -	and often used in combination with "norecovery" for mounting
> +	system ``uuid``.  This is useful to mount LVM snapshot volumes,
> +	and often used in combination with ``norecovery`` for mounting
>  	read-only snapshots.
>  
>    noquota
> @@ -176,15 +169,15 @@ default behaviour.
>  
>    uquota/usrquota/uqnoenforce/quota
>  	User disk quota accounting enabled, and limits (optionally)
> -	enforced.  Refer to xfs_quota(8) for further details.
> +	enforced.  Refer to **xfs_quota(8)** for further details.
>  
>    gquota/grpquota/gqnoenforce
>  	Group disk quota accounting enabled and limits (optionally)
> -	enforced.  Refer to xfs_quota(8) for further details.
> +	enforced.  Refer to **xfs_quota(8)** for further details.
>  
>    pquota/prjquota/pqnoenforce
>  	Project disk quota accounting enabled and limits (optionally)
> -	enforced.  Refer to xfs_quota(8) for further details.
> +	enforced.  Refer to **xfs_quota(8)** for further details.
>  
>    sunit=value and swidth=value
>  	Used to specify the stripe unit and width for a RAID device
> @@ -192,11 +185,11 @@ default behaviour.
>  	block units. These options are only relevant to filesystems
>  	that were created with non-zero data alignment parameters.
>  
> -	The sunit and swidth parameters specified must be compatible
> +	The ``sunit`` and ``swidth`` parameters specified must be compatible
>  	with the existing filesystem alignment characteristics.  In
> -	general, that means the only valid changes to sunit are
> -	increasing it by a power-of-2 multiple. Valid swidth values
> -	are any integer multiple of a valid sunit value.
> +	general, that means the only valid changes to ``sunit`` are
> +	increasing it by a power-of-2 multiple. Valid ``swidth`` values
> +	are any integer multiple of a valid ``sunit`` value.
>  
>  	Typically the only time these mount options are necessary if
>  	after an underlying RAID device has had it's geometry
> @@ -221,22 +214,25 @@ default behaviour.
>  Deprecated Mount Options
>  ========================
>  
> +===========================     ================
>    Name				Removal Schedule
> -  ----				----------------
> +===========================     ================
> +===========================     ================
>  
>  
>  Removed Mount Options
>  =====================
>  
> +===========================     =======
>    Name				Removed
> -  ----				-------
> +===========================	=======
>    delaylog/nodelaylog		v4.0
>    ihashsize			v4.0
>    irixsgid			v4.0
>    osyncisdsync/osyncisosync	v4.0
>    barrier			v4.19
>    nobarrier			v4.19
> -
> +===========================     =======
>  
>  sysctls
>  =======
> @@ -302,27 +298,27 @@ The following sysctls are available for the XFS filesystem:
>  
>    fs.xfs.inherit_sync		(Min: 0  Default: 1  Max: 1)
>  	Setting this to "1" will cause the "sync" flag set
> -	by the xfs_io(8) chattr command on a directory to be
> +	by the **xfs_io(8)** chattr command on a directory to be
>  	inherited by files in that directory.
>  
>    fs.xfs.inherit_nodump		(Min: 0  Default: 1  Max: 1)
>  	Setting this to "1" will cause the "nodump" flag set
> -	by the xfs_io(8) chattr command on a directory to be
> +	by the **xfs_io(8)** chattr command on a directory to be
>  	inherited by files in that directory.
>  
>    fs.xfs.inherit_noatime	(Min: 0  Default: 1  Max: 1)
>  	Setting this to "1" will cause the "noatime" flag set
> -	by the xfs_io(8) chattr command on a directory to be
> +	by the **xfs_io(8)** chattr command on a directory to be
>  	inherited by files in that directory.
>  
>    fs.xfs.inherit_nosymlinks	(Min: 0  Default: 1  Max: 1)
>  	Setting this to "1" will cause the "nosymlinks" flag set
> -	by the xfs_io(8) chattr command on a directory to be
> +	by the **xfs_io(8)** chattr command on a directory to be
>  	inherited by files in that directory.
>  
>    fs.xfs.inherit_nodefrag	(Min: 0  Default: 1  Max: 1)
>  	Setting this to "1" will cause the "nodefrag" flag set
> -	by the xfs_io(8) chattr command on a directory to be
> +	by the **xfs_io(8)** chattr command on a directory to be
>  	inherited by files in that directory.
>  
>    fs.xfs.rotorstep		(Min: 1  Default: 1  Max: 256)
> @@ -368,7 +364,7 @@ handler:
>   -error handlers:
>  	Defines the behavior for a specific error.
>  
> -The filesystem behavior during an error can be set via sysfs files. Each
> +The filesystem behavior during an error can be set via ``sysfs`` files. Each
>  error handler works independently - the first condition met by an error handler
>  for a specific class will cause the error to be propagated rather than reset and
>  retried.
> @@ -419,7 +415,7 @@ level directory:
>  	handler configurations.
>  
>  	Note: there is no guarantee that fail_at_unmount can be set while an
> -	unmount is in progress. It is possible that the sysfs entries are
> +	unmount is in progress. It is possible that the ``sysfs`` entries are
>  	removed by the unmounting filesystem before a "retry forever" error
>  	handler configuration causes unmount to hang, and hence the filesystem
>  	must be configured appropriately before unmount begins to prevent
> @@ -428,7 +424,7 @@ level directory:
>  Each filesystem has specific error class handlers that define the error
>  propagation behaviour for specific errors. There is also a "default" error
>  handler defined, which defines the behaviour for all errors that don't have
> -specific handlers defined. Where multiple retry constraints are configuredi for
> +specific handlers defined. Where multiple retry constraints are configured for
>  a single error, the first retry configuration that expires will cause the error
>  to be propagated. The handler configurations are found in the directory:
>  
> @@ -463,7 +459,7 @@ to be propagated. The handler configurations are found in the directory:
>  	Setting the value to "N" (where 0 < N < Max) will allow XFS to retry the
>  	operation for up to "N" seconds before propagating the error.
>  
> -Note: The default behaviour for a specific error handler is dependent on both
> +**Note:** The default behaviour for a specific error handler is dependent on both
>  the class and error context. For example, the default values for
>  "metadata/ENODEV" are "0" rather than "-1" so that this error handler defaults
>  to "fail immediately" behaviour. This is done because ENODEV is a fatal,
> diff --git a/Documentation/filesystems/dax.txt b/Documentation/filesystems/dax.txt
> index 6d2c0d340dea..679729442fd2 100644
> --- a/Documentation/filesystems/dax.txt
> +++ b/Documentation/filesystems/dax.txt
> @@ -76,7 +76,7 @@ exposure of uninitialized data through mmap.
>  These filesystems may be used for inspiration:
>  - ext2: see Documentation/filesystems/ext2.txt
>  - ext4: see Documentation/filesystems/ext4/
> -- xfs:  see Documentation/filesystems/xfs.txt
> +- xfs:  see Documentation/admin-guide/xfs.rst
>  
>  
>  Handling Media Errors
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 43ca94856944..3b6e0b6d8cbd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -17453,7 +17453,7 @@ L:	linux-xfs@xxxxxxxxxxxxxxx
>  W:	http://xfs.org/
>  T:	git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
>  S:	Supported
> -F:	Documentation/filesystems/xfs.txt
> +F:	Documentation/admin-guide/xfs.rst
>  F:	fs/xfs/
>  
>  XILINX AXI ETHERNET DRIVER
> -- 
> 2.22.0
> 



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