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[2/2] design: document filesystem properties

Message ID 173092058966.2883036.11288763605027275979.stgit@frogsfrogsfrogs (mailing list archive)
State New
Headers show
Series [1/2] design: update metadata reconstruction chapter | expand

Commit Message

Darrick J. Wong Nov. 6, 2024, 7:18 p.m. UTC 
From: Darrick J. Wong <djwong@kernel.org>

Now that xfsprogs utilities can set properties to coordinate the
behavior of other xfsprogs utilities, record them in the ondisk format
documentation.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 .../fs_properties.asciidoc                         |   28 ++++++++++++++++++++
 .../xfs_filesystem_structure.asciidoc              |    2 +
 2 files changed, 30 insertions(+)
 create mode 100644 design/XFS_Filesystem_Structure/fs_properties.asciidoc
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Patch

diff --git a/design/XFS_Filesystem_Structure/fs_properties.asciidoc b/design/XFS_Filesystem_Structure/fs_properties.asciidoc
new file mode 100644
index 00000000000000..b639aec9ab6366
--- /dev/null
+++ b/design/XFS_Filesystem_Structure/fs_properties.asciidoc
@@ -0,0 +1,28 @@ 
+[[Filesystem_Properties]]
+= Filesystem Properties
+
+System administrators can set filesystem-wide properties to coordinate the
+behavior of userspace XFS administration tools.  These properties are recorded
+as extended attributes of the +ATTR_ROOT+ namesace that are set on the root
+directory.
+
+[options="header"]
+|=====
+| Property			| Description
+| +xfs:autofsck+		| Online fsck background scanning behavior
+|=====
+
+*xfs:autofsck*::
+This property controls the behavior of background online fsck.
+Unrecognized values are treated as if the property was not set.
+Check the +xfs_scrub+ manual page for more information.
+
+.autofsck property values
+[options="header"]
+|=====
+| Value				| Description
+| +none+			| Do not perform background scans.
+| +check+			| Only check metadata.
+| +optimize+			| Check and optimize metadata.
+| +repair+			| Check, repair, or optimize metadata.
+|=====
diff --git a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc
index a95a5806172a0c..689e2a874c13e9 100644
--- a/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc
+++ b/design/XFS_Filesystem_Structure/xfs_filesystem_structure.asciidoc
@@ -84,6 +84,8 @@  include::journaling_log.asciidoc[]
 
 include::internal_inodes.asciidoc[]
 
+include::fs_properties.asciidoc[]
+
 :leveloffset: 0
 
 Dynamically Allocated Structures