4 files changed, 11 insertions, 12 deletions
diff --git a/fs/btrfs/fs.c b/fs/btrfs/fs.c
index 09cfb43580cb..06a863252a85 100644
--- a/fs/btrfs/fs.c
+++ b/fs/btrfs/fs.c
@@ -55,6 +55,15 @@ size_t __attribute_const__ btrfs_get_num_csums(void)
 	return ARRAY_SIZE(btrfs_csums);
 }
 
+bool __pure btrfs_is_empty_uuid(const u8 *uuid)
+{
+	for (int i = 0; i < BTRFS_UUID_SIZE; i++) {
+		if (uuid[i] != 0)
+			return false;
+	}
+	return true;
+}
+
 /*
  * Start exclusive operation @type, return true on success.
  */
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index b05f2af97140..15c26c6f4d6e 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -988,6 +988,8 @@ const char *btrfs_super_csum_name(u16 csum_type);
 const char *btrfs_super_csum_driver(u16 csum_type);
 size_t __attribute_const__ btrfs_get_num_csums(void);
 
+bool __pure btrfs_is_empty_uuid(const u8 *uuid);
+
 /* Compatibility and incompatibility defines */
 void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
 			     const char *name);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 243d08f37c58..415b20801d78 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -471,17 +471,6 @@ static noinline int btrfs_ioctl_fitrim(struct btrfs_fs_info *fs_info,
 	return ret;
 }
 
-int __pure btrfs_is_empty_uuid(const u8 *uuid)
-{
-	int i;
-
-	for (i = 0; i < BTRFS_UUID_SIZE; i++) {
-		if (uuid[i])
-			return 0;
-	}
-	return 1;
-}
-
 /*
  * Calculate the number of transaction items to reserve for creating a subvolume
  * or snapshot, not including the inode, directory entries, or parent directory.
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index 2b760c8778f8..ce915fcda43b 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -19,7 +19,6 @@ int btrfs_fileattr_set(struct mnt_idmap *idmap,
 		       struct dentry *dentry, struct fileattr *fa);
 int btrfs_ioctl_get_supported_features(void __user *arg);
 void btrfs_sync_inode_flags_to_i_flags(struct inode *inode);
-int __pure btrfs_is_empty_uuid(const u8 *uuid);
 void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info,
 				     struct btrfs_ioctl_balance_args *bargs);
 int btrfs_uring_cmd(struct io_uring_cmd *cmd, unsigned int issue_flags);