diff options
Diffstat (limited to 'Documentation/admin-guide/xfs.rst')
-rw-r--r-- | Documentation/admin-guide/xfs.rst | 69 |
1 files changed, 14 insertions, 55 deletions
diff --git a/Documentation/admin-guide/xfs.rst b/Documentation/admin-guide/xfs.rst index a18328a5fb93..c85cd327af28 100644 --- a/Documentation/admin-guide/xfs.rst +++ b/Documentation/admin-guide/xfs.rst @@ -34,22 +34,6 @@ When mounting an XFS filesystem, the following options are accepted. to the file. Specifying a fixed ``allocsize`` value turns off the dynamic behaviour. - 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 - 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 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. - discard or nodiscard (default) Enable/disable the issuing of commands to let the block device reclaim space freed by the filesystem. This is @@ -75,12 +59,6 @@ When mounting an XFS filesystem, the following options are accepted. across the entire filesystem rather than just on directories configured to use it. - 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 or inode64 (default) When ``inode32`` is specified, it indicates that XFS limits inode creation to locations which will not result in inode @@ -253,9 +231,8 @@ latest version and try again. The deprecation will take place in two parts. Support for mounting V4 filesystems can now be disabled at kernel build time via Kconfig option. -The option will default to yes until September 2025, at which time it -will be changed to default to no. In September 2030, support will be -removed from the codebase entirely. +These options were changed to default to no in September 2025. In +September 2030, support will be removed from the codebase entirely. Note: Distributors may choose to withdraw V4 format support earlier than the dates listed above. @@ -268,8 +245,6 @@ Deprecated Mount Options ============================ ================ Mounting with V4 filesystem September 2030 Mounting ascii-ci filesystem September 2030 -ikeep/noikeep September 2025 -attr2/noattr2 September 2025 ============================ ================ @@ -285,6 +260,8 @@ Removed Mount Options osyncisdsync/osyncisosync v4.0 barrier v4.19 nobarrier v4.19 + ikeep/noikeep v6.18 + attr2/noattr2 v6.18 =========================== ======= sysctls @@ -312,9 +289,6 @@ The following sysctls are available for the XFS filesystem: removes unused preallocation from clean inodes and releases the unused space back to the free pool. - fs.xfs.speculative_cow_prealloc_lifetime - This is an alias for speculative_prealloc_lifetime. - fs.xfs.error_level (Min: 0 Default: 3 Max: 11) A volume knob for error reporting when internal errors occur. This will generate detailed messages & backtraces for filesystem @@ -341,17 +315,6 @@ The following sysctls are available for the XFS filesystem: This option is intended for debugging only. - fs.xfs.irix_symlink_mode (Min: 0 Default: 0 Max: 1) - Controls whether symlinks are created with mode 0777 (default) - or whether their mode is affected by the umask (irix mode). - - fs.xfs.irix_sgid_inherit (Min: 0 Default: 0 Max: 1) - Controls files created in SGID directories. - If the group ID of the new file does not match the effective group - ID or one of the supplementary group IDs of the parent dir, the - ISGID bit is cleared if the irix_sgid_inherit compatibility sysctl - is set. - 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 @@ -387,24 +350,20 @@ The following sysctls are available for the XFS filesystem: Deprecated Sysctls ================== -=========================================== ================ - Name Removal Schedule -=========================================== ================ -fs.xfs.irix_sgid_inherit September 2025 -fs.xfs.irix_symlink_mode September 2025 -fs.xfs.speculative_cow_prealloc_lifetime September 2025 -=========================================== ================ - +None currently. Removed Sysctls =============== -============================= ======= - Name Removed -============================= ======= - fs.xfs.xfsbufd_centisec v4.0 - fs.xfs.age_buffer_centisecs v4.0 -============================= ======= +========================================== ======= + Name Removed +========================================== ======= + fs.xfs.xfsbufd_centisec v4.0 + fs.xfs.age_buffer_centisecs v4.0 + fs.xfs.irix_symlink_mode v6.18 + fs.xfs.irix_sgid_inherit v6.18 + fs.xfs.speculative_cow_prealloc_lifetime v6.18 +========================================== ======= Error handling ============== |