1 files changed, 10 insertions, 0 deletions

diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 7554fd381a56..6f9c38ce45c7 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -306,6 +306,14 @@ struct btrfs_ioctl_search_args {
         char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
 };
 
+struct btrfs_ioctl_search_args_v2 {
+        struct btrfs_ioctl_search_key key; /* in/out - search parameters */
+        __u64 buf_size;            /* in - size of buffer
+                                            * out - on EOVERFLOW: needed size
+                                            *       to store item */
+        __u64 buf[0];                       /* out - found items */
+};
+
 struct btrfs_ioctl_clone_range_args {
   __s64 src_fd;
   __u64 src_offset, src_length;
@@ -558,6 +566,8 @@ static inline char *btrfs_err_str(enum btrfs_err_code err_code)
                                 struct btrfs_ioctl_defrag_range_args)
 #define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
                                    struct btrfs_ioctl_search_args)
+#define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+                                           struct btrfs_ioctl_search_args_v2)
 #define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
                                    struct btrfs_ioctl_ino_lookup_args)
 #define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, __u64)