Add help message and man entry for --write-journal

Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/ReadMe.c b/ReadMe.c
index 10921e3b..fb5a6711 100644
--- a/ReadMe.c
+++ b/ReadMe.c
@@ -376,6 +376,7 @@ char Help_create[] =
 "  --name=       -N   : Textual name for array - max 32 characters\n"
 "  --bitmap-chunk=    : bitmap chunksize in Kilobytes.\n"
 "  --delay=      -d   : bitmap update delay in seconds.\n"
+"  --write-journal=   : Specify journal device for RAID-4/5/6 array\n"
 "\n"
 ;