Btrfs-progs: add btrfs send/receive commands

Add user space commands for btrfs send/receive.

Signed-off-by: Alexander Block <ablock84@googlemail.com>
Reviewed-by: David Sterba <dave@jikos.cz>
Reviewed-by: Arne Jansen <sensille@gmx.net>
Reviewed-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Reviewed-by: Alex Lyakas <alex.bolshoy.btrfs@gmail.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/send-stream.h b/send-stream.h
new file mode 100644
index 00000000..b69b7f16
--- /dev/null
+++ b/send-stream.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2012 Alexander Block.  All rights reserved.
+ *
+ * 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 SEND_STREAM_H_
+#define SEND_STREAM_H_
+
+struct btrfs_send_ops {
+	int (*subvol)(const char *path, const u8 *uuid, u64 ctransid,
+		      void *user);
+	int (*snapshot)(const char *path, const u8 *uuid, u64 ctransid,
+			const u8 *parent_uuid, u64 parent_ctransid,
+			void *user);
+	int (*mkfile)(const char *path, void *user);
+	int (*mkdir)(const char *path, void *user);
+	int (*mknod)(const char *path, u64 mode, u64 dev, void *user);
+	int (*mkfifo)(const char *path, void *user);
+	int (*mksock)(const char *path, void *user);
+	int (*symlink)(const char *path, const char *lnk, void *user);
+	int (*rename)(const char *from, const char *to, void *user);
+	int (*link)(const char *path, const char *lnk, void *user);
+	int (*unlink)(const char *path, void *user);
+	int (*rmdir)(const char *path, void *user);
+	int (*write)(const char *path, const void *data, u64 offset, u64 len,
+		     void *user);
+	int (*clone)(const char *path, u64 offset, u64 len,
+		     const u8 *clone_uuid, u64 clone_ctransid,
+		     const char *clone_path, u64 clone_offset,
+		     void *user);
+	int (*set_xattr)(const char *path, const char *name, const void *data,
+			 int len, void *user);
+	int (*remove_xattr)(const char *path, const char *name, void *user);
+	int (*truncate)(const char *path, u64 size, void *user);
+	int (*chmod)(const char *path, u64 mode, void *user);
+	int (*chown)(const char *path, u64 uid, u64 gid, void *user);
+	int (*utimes)(const char *path, struct timespec *at,
+		      struct timespec *mt, struct timespec *ct,
+		      void *user);
+};
+
+int btrfs_read_and_process_send_stream(int fd,
+				       struct btrfs_send_ops *ops, void *user);
+
+
+#endif /* SEND_STREAM_H_ */