btrfs-progs: cleanup, rename *disk_usage* files to usage

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

Makefile.in

@@ -40,7 +40,7 @@ cmds_objects = cmds-subvolume.o cmds-filesystem.o cmds-device.o cmds-scrub.o \
 	       cmds-inspect.o cmds-balance.o cmds-send.o cmds-receive.o \
 	       cmds-quota.o cmds-qgroup.o cmds-replace.o cmds-check.o \
 	       cmds-restore.o cmds-rescue.o chunk-recover.o super-recover.o \
-	       cmds-property.o cmds-fi-disk_usage.o
+	       cmds-property.o cmds-fi-usage.o
 libbtrfs_objects = send-stream.o send-utils.o rbtree.o btrfs-list.o crc32c.o \
 		   uuid-tree.o utils-lib.o rbtree-utils.o
 libbtrfs_headers = send-stream.h send-utils.h send.h rbtree.h btrfs-list.h \

cmds-device.c

@@ -28,7 +28,7 @@
 #include "ctree.h"
 #include "ioctl.h"
 #include "utils.h"
-#include "cmds-fi-disk_usage.h"
+#include "cmds-fi-usage.h"
 
 #include "commands.h"
 

cmds-fi-usage.c

@@ -27,7 +27,7 @@
 #include "kerncompat.h"
 #include "ctree.h"
 #include "string-table.h"
-#include "cmds-fi-disk_usage.h"
+#include "cmds-fi-usage.h"
 #include "commands.h"
 
 #include "version.h"

cmds-fi-usage.h

@@ -16,8 +16,8 @@
  * Boston, MA 021110-1307, USA.
  */
 
-#ifndef __CMDS_FI_DISK_USAGE_H__
-#define __CMDS_FI_DISK_USAGE_H__
+#ifndef __CMDS_FI_USAGE_H__
+#define __CMDS_FI_USAGE_H__
 
 extern const char * const cmd_filesystem_usage_usage[];
 int cmd_filesystem_usage(int argc, char **argv);

cmds-filesystem.c

@@ -34,7 +34,7 @@
 #include "utils.h"
 #include "volumes.h"
 #include "commands.h"
-#include "cmds-fi-disk_usage.h"
+#include "cmds-fi-usage.h"
 #include "list_sort.h"
 #include "disk-io.h"