btrfs-progs: image: move metadump definitions to own header

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

diff --git a/image/main.c b/image/main.c
index 4cffbdb..4557f96 100644 (file)
--- a/image/main.c
+++ b/image/main.c
@@ -36,54 +36,10 @@
 #include "volumes.h"
 #include "extent_io.h"
 #include "help.h"
-
-#define HEADER_MAGIC           0xbd5c25e27295668bULL
-#define MAX_PENDING_SIZE       (256 * 1024)
-#define BLOCK_SIZE             1024
-#define BLOCK_MASK             (BLOCK_SIZE - 1)
-
-#define COMPRESS_NONE          0
-#define COMPRESS_ZLIB          1
+#include "image/metadump.h"
 
 #define MAX_WORKER_THREADS     (32)
 
-struct meta_cluster_item {
-       __le64 bytenr;
-       __le32 size;
-} __attribute__ ((__packed__));
-
-struct meta_cluster_header {
-       __le64 magic;
-       __le64 bytenr;
-       __le32 nritems;
-       u8 compress;
-} __attribute__ ((__packed__));
-
-/* cluster header + index items + buffers */
-struct meta_cluster {
-       struct meta_cluster_header header;
-       struct meta_cluster_item items[];
-} __attribute__ ((__packed__));
-
-#define ITEMS_PER_CLUSTER ((BLOCK_SIZE - sizeof(struct meta_cluster)) / \
-                          sizeof(struct meta_cluster_item))
-
-struct fs_chunk {
-       u64 logical;
-       u64 physical;
-       /*
-        * physical_dup only store additonal physical for BTRFS_BLOCK_GROUP_DUP
-        * currently restore only support single and DUP
-        * TODO: modify this structure and the function related to this
-        * structure for support RAID*
-        */
-       u64 physical_dup;
-       u64 bytes;
-       struct rb_node l;
-       struct rb_node p;
-       struct list_head list;
-};
-
 struct async_work {
        struct list_head list;
        struct list_head ordered;

diff --git a/image/metadump.h b/image/metadump.h
new file mode 100644 (file)
index 0000000..b9275e9
--- /dev/null
+++ b/image/metadump.h
@@ -0,0 +1,70 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef __BTRFS_IMAGE_METADUMP_H__
+#define __BTRFS_IMAGE_METADUMP_H__
+
+#include "kerncompat.h"
+#include "kernel-lib/rbtree.h"
+#include "kernel-lib/list.h"
+#include "ctree.h"
+
+#define HEADER_MAGIC           0xbd5c25e27295668bULL
+#define MAX_PENDING_SIZE       (256 * 1024)
+#define BLOCK_SIZE             1024
+#define BLOCK_MASK             (BLOCK_SIZE - 1)
+
+#define ITEMS_PER_CLUSTER ((BLOCK_SIZE - sizeof(struct meta_cluster)) / \
+                          sizeof(struct meta_cluster_item))
+
+#define COMPRESS_NONE          0
+#define COMPRESS_ZLIB          1
+
+struct meta_cluster_item {
+       __le64 bytenr;
+       __le32 size;
+} __attribute__ ((__packed__));
+
+struct meta_cluster_header {
+       __le64 magic;
+       __le64 bytenr;
+       __le32 nritems;
+       u8 compress;
+} __attribute__ ((__packed__));
+
+/* cluster header + index items + buffers */
+struct meta_cluster {
+       struct meta_cluster_header header;
+       struct meta_cluster_item items[];
+} __attribute__ ((__packed__));
+
+struct fs_chunk {
+       u64 logical;
+       u64 physical;
+       /*
+        * physical_dup only store additonal physical for BTRFS_BLOCK_GROUP_DUP
+        * currently restore only support single and DUP
+        * TODO: modify this structure and the function related to this
+        * structure for support RAID*
+        */
+       u64 physical_dup;
+       u64 bytes;
+       struct rb_node l;
+       struct rb_node p;
+       struct list_head list;
+};
+
+#endif