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authorBrian Foster <bfoster@redhat.com>2014-07-15 00:09:06 +0200
committerDave Chinner <david@fromorbit.com>2014-07-15 00:09:06 +0200
commita087481811bed920eb5eedbb5574b915881adbea (patch)
treea0d6f55fd53e2d9b33feb63aca8a0030de463c85 /Documentation/ABI/testing/sysfs-fs-xfs
parentxfs: add log attributes for log lsn and grant head data (diff)
downloadlinux-a087481811bed920eb5eedbb5574b915881adbea.tar.xz
linux-a087481811bed920eb5eedbb5574b915881adbea.zip
xfs: document log sysfs attributes in testing ABI
Create a sysfs-fs-xfs ABI documentation file for newly added sysfs attributes. This is created under the testing section. Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-fs-xfs')
-rw-r--r--Documentation/ABI/testing/sysfs-fs-xfs39
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-xfs b/Documentation/ABI/testing/sysfs-fs-xfs
new file mode 100644
index 000000000000..ea0cc8c42093
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-fs-xfs
@@ -0,0 +1,39 @@
+What: /sys/fs/xfs/<disk>/log/log_head_lsn
+Date: July 2014
+KernelVersion: 3.17
+Contact: xfs@oss.sgi.com
+Description:
+ The log sequence number (LSN) of the current head of the
+ log. The LSN is exported in "cycle:basic block" format.
+Users: xfstests
+
+What: /sys/fs/xfs/<disk>/log/log_tail_lsn
+Date: July 2014
+KernelVersion: 3.17
+Contact: xfs@oss.sgi.com
+Description:
+ The log sequence number (LSN) of the current tail of the
+ log. The LSN is exported in "cycle:basic block" format.
+
+What: /sys/fs/xfs/<disk>/log/reserve_grant_head
+Date: July 2014
+KernelVersion: 3.17
+Contact: xfs@oss.sgi.com
+Description:
+ The current state of the log reserve grant head. It
+ represents the total log reservation of all currently
+ outstanding transactions. The grant head is exported in
+ "cycle:bytes" format.
+Users: xfstests
+
+What: /sys/fs/xfs/<disk>/log/write_grant_head
+Date: July 2014
+KernelVersion: 3.17
+Contact: xfs@oss.sgi.com
+Description:
+ The current state of the log write grant head. It
+ represents the total log reservation of all currently
+ oustanding transactions, including regrants due to
+ rolling transactions. The grant head is exported in
+ "cycle:bytes" format.
+Users: xfstests