Add --offroot argument to mdmon

Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/mdmon.c b/mdmon.c
index a65c4a42..20934761 100644
--- a/mdmon.c
+++ b/mdmon.c
@@ -272,6 +272,10 @@ void usage(void)
 "  --help        -h   : This message\n"
 "  --all              : All devices\n"
 "  --takeover    -t   : Takeover container\n"
+"  --offroot          : Set first character of argv[0] to @ to indicate the\n"
+"                       application was launched from initrd/initramfs and\n"
+"                       should not be shutdown by systemd as part of the\n"
+"                       regular shutdown process.\n"
 );
 	exit(2);
 }
@@ -291,6 +295,7 @@ int main(int argc, char *argv[])
 		{"all", 0, NULL, 'a'},
 		{"takeover", 0, NULL, 't'},
 		{"help", 0, NULL, 'h'},
+		{"offroot", 0, NULL, OffRootOpt},
 		{NULL, 0, NULL, 0}
 	};
 
@@ -304,6 +309,9 @@ int main(int argc, char *argv[])
 			container_name = optarg;
 			takeover = 1;
 			break;
+		case OffRootOpt:
+			argv[0][0] = '@';
+			break;
 		case 'h':
 		default:
 			usage();