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-rw-r--r--include/uapi/linux/btrfs.h10
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)