Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / fs / btrfs / send.h

diff --git a/kernel/fs/btrfs/send.h b/kernel/fs/btrfs/send.h
new file mode 100644 (file)
index 0000000..48d425a
--- /dev/null
+++ b/kernel/fs/btrfs/send.h
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2012 Alexander Block.  All rights reserved.
+ * Copyright (C) 2012 STRATO.  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.
+ */
+
+#include "ctree.h"
+
+#define BTRFS_SEND_STREAM_MAGIC "btrfs-stream"
+#define BTRFS_SEND_STREAM_VERSION 1
+
+#define BTRFS_SEND_BUF_SIZE (1024 * 64)
+#define BTRFS_SEND_READ_SIZE (1024 * 48)
+
+enum btrfs_tlv_type {
+       BTRFS_TLV_U8,
+       BTRFS_TLV_U16,
+       BTRFS_TLV_U32,
+       BTRFS_TLV_U64,
+       BTRFS_TLV_BINARY,
+       BTRFS_TLV_STRING,
+       BTRFS_TLV_UUID,
+       BTRFS_TLV_TIMESPEC,
+};
+
+struct btrfs_stream_header {
+       char magic[sizeof(BTRFS_SEND_STREAM_MAGIC)];
+       __le32 version;
+} __attribute__ ((__packed__));
+
+struct btrfs_cmd_header {
+       /* len excluding the header */
+       __le32 len;
+       __le16 cmd;
+       /* crc including the header with zero crc field */
+       __le32 crc;
+} __attribute__ ((__packed__));
+
+struct btrfs_tlv_header {
+       __le16 tlv_type;
+       /* len excluding the header */
+       __le16 tlv_len;
+} __attribute__ ((__packed__));
+
+/* commands */
+enum btrfs_send_cmd {
+       BTRFS_SEND_C_UNSPEC,
+
+       BTRFS_SEND_C_SUBVOL,
+       BTRFS_SEND_C_SNAPSHOT,
+
+       BTRFS_SEND_C_MKFILE,
+       BTRFS_SEND_C_MKDIR,
+       BTRFS_SEND_C_MKNOD,
+       BTRFS_SEND_C_MKFIFO,
+       BTRFS_SEND_C_MKSOCK,
+       BTRFS_SEND_C_SYMLINK,
+
+       BTRFS_SEND_C_RENAME,
+       BTRFS_SEND_C_LINK,
+       BTRFS_SEND_C_UNLINK,
+       BTRFS_SEND_C_RMDIR,
+
+       BTRFS_SEND_C_SET_XATTR,
+       BTRFS_SEND_C_REMOVE_XATTR,
+
+       BTRFS_SEND_C_WRITE,
+       BTRFS_SEND_C_CLONE,
+
+       BTRFS_SEND_C_TRUNCATE,
+       BTRFS_SEND_C_CHMOD,
+       BTRFS_SEND_C_CHOWN,
+       BTRFS_SEND_C_UTIMES,
+
+       BTRFS_SEND_C_END,
+       BTRFS_SEND_C_UPDATE_EXTENT,
+       __BTRFS_SEND_C_MAX,
+};
+#define BTRFS_SEND_C_MAX (__BTRFS_SEND_C_MAX - 1)
+
+/* attributes in send stream */
+enum {
+       BTRFS_SEND_A_UNSPEC,
+
+       BTRFS_SEND_A_UUID,
+       BTRFS_SEND_A_CTRANSID,
+
+       BTRFS_SEND_A_INO,
+       BTRFS_SEND_A_SIZE,
+       BTRFS_SEND_A_MODE,
+       BTRFS_SEND_A_UID,
+       BTRFS_SEND_A_GID,
+       BTRFS_SEND_A_RDEV,
+       BTRFS_SEND_A_CTIME,
+       BTRFS_SEND_A_MTIME,
+       BTRFS_SEND_A_ATIME,
+       BTRFS_SEND_A_OTIME,
+
+       BTRFS_SEND_A_XATTR_NAME,
+       BTRFS_SEND_A_XATTR_DATA,
+
+       BTRFS_SEND_A_PATH,
+       BTRFS_SEND_A_PATH_TO,
+       BTRFS_SEND_A_PATH_LINK,
+
+       BTRFS_SEND_A_FILE_OFFSET,
+       BTRFS_SEND_A_DATA,
+
+       BTRFS_SEND_A_CLONE_UUID,
+       BTRFS_SEND_A_CLONE_CTRANSID,
+       BTRFS_SEND_A_CLONE_PATH,
+       BTRFS_SEND_A_CLONE_OFFSET,
+       BTRFS_SEND_A_CLONE_LEN,
+
+       __BTRFS_SEND_A_MAX,
+};
+#define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1)
+
+#ifdef __KERNEL__
+long btrfs_ioctl_send(struct file *mnt_file, void __user *arg);
+#endif