[PATCH v2 15/16] btrfs-progs: device scan: add verbose option

[Anand Jain <anand.jain@oracle.com>]

Enable verbose output for the device scanned, this uses the global
verbose option.

For example:
./btrfs --verbose device scan
Scanning for Btrfs filesystems
registered: /dev/sda1
registered: /dev/sda2
registered: /dev/sda3
registered: /dev/sda5
registered: /dev/sda6

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
v2: Use new define HELPINFO_INSERT_GLOBALS

 cmds/device.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmds/device.c b/cmds/device.c
index f96d71e0477a..2feb1acd031d 100644
--- a/cmds/device.c
+++ b/cmds/device.c
@@ -303,6 +303,8 @@ static const char * const cmd_device_scan_usage[] = {
 	" -d|--all-devices            enumerate and register all devices, use as a fallback",
 	"                             if blkid is not available",
 	" -u|--forget [<device>...]   unregister a given device or all stale devices if no path ",
+	HELPINFO_INSERT_GLOBALS,
+	HELPINFO_INSERT_VERBOSE,
 	NULL
 };
 
@@ -354,7 +356,7 @@ static int cmd_device_scan(const struct cmd_struct *cmd, int argc, char **argv)
 			}
 		} else {
 			printf("Scanning for Btrfs filesystems\n");
-			ret = btrfs_scan_devices(0);
+			ret = btrfs_scan_devices(1);
 			error_on(ret, "error %d while scanning", ret);
 			ret = btrfs_register_all_devices();
 			error_on(ret,
-- 
1.8.3.1