Add more specific subcommand usage messages

The device, data, fs, and subvolume subcommands currently print out a
generic usage message. Make these more specific.

Signed-off-by: Brett Holman <bholman.devel@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/cmds.h b/cmds.h
index 0e27d6d7..52db63f3 100644
--- a/cmds.h
+++ b/cmds.h
@@ -19,8 +19,10 @@ int cmd_run(int argc, char *argv[]);
 int cmd_stop(int argc, char *argv[]);
 #endif
 
+int fs_usage(void);
 int cmd_fs_usage(int argc, char *argv[]);
 
+int device_usage(void);
 int cmd_device_add(int argc, char *argv[]);
 int cmd_device_remove(int argc, char *argv[]);
 int cmd_device_online(int argc, char *argv[]);
@@ -30,6 +32,7 @@ int cmd_device_set_state(int argc, char *argv[]);
 int cmd_device_resize(int argc, char *argv[]);
 int cmd_device_resize_journal(int argc, char *argv[]);
 
+int data_usage(void);
 int cmd_data_rereplicate(int argc, char *argv[]);
 int cmd_data_job(int argc, char *argv[]);
 
@@ -50,6 +53,7 @@ int cmd_version(int argc, char *argv[]);
 
 int cmd_setattr(int argc, char *argv[]);
 
+int subvolume_usage(void);
 int cmd_subvolume_create(int argc, char *argv[]);
 int cmd_subvolume_delete(int argc, char *argv[]);
 int cmd_subvolume_snapshot(int argc, char *argv[]);