btrfs-progs: use check_argc_exact to check arg number of btrfs-rescue
authorGui Hecheng <guihc.fnst@cn.fujitsu.com>
Thu, 15 May 2014 01:29:09 +0000 (09:29 +0800)
committerDavid Sterba <dsterba@suse.cz>
Fri, 22 Aug 2014 12:39:31 +0000 (14:39 +0200)
commitda65695cc5f600c0f70efefd36c87d229e1ed3b4
treeafd24dd9d2d2a56ab981cbbcb18a289aff6c194c
parentbddb8e0fd7b1502945772b2c4717def1ca30ea2e
btrfs-progs: use check_argc_exact to check arg number of btrfs-rescue

The btrfs-rescue accepts exactly one arg for both
chunk-recover & super-recover, use check_argc_exact clearly.

Signed-off-by: David Sterba <dsterba@suse.cz>
cmds-rescue.c