Btrfs-progs: move ask_user() to utils.c

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

chunk-recover.c

@@ -1307,24 +1307,6 @@ fail_close_fd:
 	return ret;
 }
 
-/*
- * This reads a line from the stdin and only returns non-zero if the
- * first whitespace delimited token is a case insensitive match with yes
- * or y.
- */
-static int ask_user(char *question)
-{
-	char buf[30] = {0,};
-	char *saveptr = NULL;
-	char *answer;
-
-	printf("%s [y/N]: ", question);
-
-	return fgets(buf, sizeof(buf) - 1, stdin) &&
-	       (answer = strtok_r(buf, " \t\n\r", &saveptr)) &&
-	       (!strcasecmp(answer, "yes") || !strcasecmp(answer, "y"));
-}
-
 static int btrfs_get_device_extents(u64 chunk_object,
 				    struct list_head *orphan_devexts,
 				    struct list_head *ret_list)

utils.c

@@ -1957,3 +1957,21 @@ int is_vol_small(char *file)
 		return 0;
 	}
 }
+
+/*
+ * This reads a line from the stdin and only returns non-zero if the
+ * first whitespace delimited token is a case insensitive match with yes
+ * or y.
+ */
+int ask_user(char *question)
+{
+	char buf[30] = {0,};
+	char *saveptr = NULL;
+	char *answer;
+
+	printf("%s [y/N]: ", question);
+
+	return fgets(buf, sizeof(buf) - 1, stdin) &&
+	       (answer = strtok_r(buf, " \t\n\r", &saveptr)) &&
+	       (!strcasecmp(answer, "yes") || !strcasecmp(answer, "y"));
+}

utils.h

@@ -80,4 +80,5 @@ int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile,
 int is_vol_small(char *file);
 int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
 			   int verify);
+int ask_user(char *question);
 #endif