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SubjectRe: [PATCH v8] Documentation: filesystem: Convert xfs.txt to ReST
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@gmail.com>

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

--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@vger.kernel.org
> 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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