btrfs-progs: move mkfs definitions to own header

Create a header for filesystem creation API, the config and the main
entry function.

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

2 files changed, 46 insertions, 0 deletions

diff --git a/mkfs/common.h b/mkfs/common.h
new file mode 100644
index 00000000..2a188390
--- /dev/null
+++ b/mkfs/common.h
@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+
+/*
+ * Defines and function declarations for users of the mkfs API, no internal
+ * defintions.
+ */
+
+#ifndef __BTRFS_MKFS_COMMON_H__
+#define __BTRFS_MKFS_COMMON_H__
+
+#include "kerncompat.h"
+#include "common-defs.h"
+
+struct btrfs_mkfs_config {
+	char *label;
+	char fs_uuid[BTRFS_UUID_UNPARSED_SIZE];
+	char chunk_uuid[BTRFS_UUID_UNPARSED_SIZE];
+	u64 blocks[8];
+	u64 num_bytes;
+	u32 nodesize;
+	u32 sectorsize;
+	u32 stripesize;
+	u64 features;
+
+	/* Super bytenr after make_btrfs */
+	u64 super_bytenr;
+};
+
+int make_btrfs(int fd, struct btrfs_mkfs_config *cfg);
+
+#endif
diff --git a/mkfs/main.c b/mkfs/main.c
index 770039f2..1c327f1f 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -44,6 +44,7 @@
 #include "utils.h"
 #include "list_sort.h"
 #include "help.h"
+#include "mkfs/common.h"
 
 static u64 index_cnt = 2;
 static int verbose = 1;