Support 'bitmap=' in mdadm.conf for auto-assembling arrays with write-intent bitmaps in separate files.

Signed-off-by: Neil Brown <neilb@suse.de>

1 files changed, 12 insertions, 0 deletions

diff --git a/mdadm.conf.5 b/mdadm.conf.5
index 09e91327..91814650 100644
--- a/mdadm.conf.5
+++ b/mdadm.conf.5
@@ -151,6 +151,18 @@ also have a number appended to indicate how many partitions to create
 device files for, e.g.
 .BR auto=mdp5 .
 The default is 4.
+
+.TP
+.B bitmap=
+The option specifies a file in which a write-intent bitmap should be
+found.  When assembling the array,
+.I mdadm
+will provide this file to the
+.B md
+driver as the bitmap file.  This has the same function as the
+.B --bitmap-file
+option to
+.BR --assemble .
 .RE
 
 .TP