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Diffstat (limited to 'include/uapi/linux/btrfs.h')
-rw-r--r--include/uapi/linux/btrfs.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index d7d3cfead056..738619994e26 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -771,10 +771,16 @@ struct btrfs_ioctl_received_subvol_args {
*/
#define BTRFS_SEND_FLAG_OMIT_END_CMD 0x4
+/*
+ * Read the protocol version in the structure
+ */
+#define BTRFS_SEND_FLAG_VERSION 0x8
+
#define BTRFS_SEND_FLAG_MASK \
(BTRFS_SEND_FLAG_NO_FILE_DATA | \
BTRFS_SEND_FLAG_OMIT_STREAM_HEADER | \
- BTRFS_SEND_FLAG_OMIT_END_CMD)
+ BTRFS_SEND_FLAG_OMIT_END_CMD | \
+ BTRFS_SEND_FLAG_VERSION)
struct btrfs_ioctl_send_args {
__s64 send_fd; /* in */
@@ -782,7 +788,8 @@ struct btrfs_ioctl_send_args {
__u64 __user *clone_sources; /* in */
__u64 parent_root; /* in */
__u64 flags; /* in */
- __u64 reserved[4]; /* in */
+ __u32 version; /* in */
+ __u8 reserved[28]; /* in */
};
/*