mdadm/manpage:update manpage for readonly parameter

update readonly in manpage:
Currently both the readwrite and readonly are worked well,
update the readonly section.
One commit in linux/driver/md. Cleared "MD_CLOSING bit" to
Fixes: af8d8e6f0315 ("md: changes for MD_STILL_CLOSED flag")
Signed-off-by: Zhilong Liu <zlliu@suse.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>

diff --git a/mdadm.8.in b/mdadm.8.in
index 744c12b534bfe43b34fb4bd673a50613723b060a..f10a8b85bbede24090fc4b74ccd14c389fd7ef13 100644 (file)
--- a/mdadm.8.in
+++ b/mdadm.8.in
@@ -925,7 +925,8 @@ will not try to be so clever.
 Start the array
 .B read only
 rather than read-write as normal.  No writes will be allowed to the
-array, and no resync, recovery, or reshape will be started.
+array, and no resync, recovery, or reshape will be started. It works with
+Create, Assemble, Manage and Misc mode.
 
 .TP
 .BR \-a ", " "\-\-auto{=yes,md,mdp,part,p}{NN}"
@@ -2232,7 +2233,7 @@ be in use.
 
 .TP
 .B \-\-readonly
-start the array readonly \(em not supported yet.
+start the array in readonly mode.
 
 .SH MANAGE MODE
 .HP 12