b=17896

[fs/lustre-release.git] / lustre / doc / lctl.8

diff --git a/lustre/doc/lctl.8 b/lustre/doc/lctl.8
index 79c5812..fca7631 100644 (file)
--- a/lustre/doc/lctl.8
+++ b/lustre/doc/lctl.8
@@ -120,6 +120,17 @@ Detach the virtual block device.
 .BI blockdev_info " <device node>"
 Acquire which lustre file was attached to the device node.
 .PP
+.SS Changelogs
+.TP
+.BI changelog_register
+Register a new changelog user for a particular device.  Changelog entries
+will not be purged beyond any registered users' set point. (See lfs changelog_clear.)
+.TP
+.BI changelog_deregister " <id>"
+Unregister an existing changelog user.  If the user's "clear" record number
+is the minimum for the device, changelog records will be purged until the
+next minimum.  
+.PP
 .SS Debug
 .TP 
 .BI debug_daemon