btrfs-progs: print-tree: factor out extent_data_ref dump

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/print-tree.c b/print-tree.c
index 32d8a61..b393eff 100644 (file)
--- a/print-tree.c
+++ b/print-tree.c
@@ -970,6 +970,19 @@ static void print_block_group_item(struct extent_buffer *eb,
                flags_str);
 }
 
+static void print_extent_data_ref(struct extent_buffer *eb, int slot)
+{
+       struct btrfs_extent_data_ref *dref;
+
+       dref = btrfs_item_ptr(eb, slot, struct btrfs_extent_data_ref);
+       printf("\t\textent data backref root %llu "
+               "objectid %llu offset %llu count %u\n",
+               (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
+               (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
+               (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
+               btrfs_extent_data_ref_count(eb, dref));
+}
+
 /* Caller must ensure sizeof(*ret) >= 14 "WRITTEN|RELOC" */
 static void header_flags_to_str(u64 flags, char *ret)
 {
@@ -1088,18 +1101,9 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *eb)
                case BTRFS_SHARED_BLOCK_REF_KEY:
                        printf("\t\tshared block backref\n");
                        break;
-               case BTRFS_EXTENT_DATA_REF_KEY: {
-                       struct btrfs_extent_data_ref *dref;
-
-                       dref = btrfs_item_ptr(eb, i, struct btrfs_extent_data_ref);
-                       printf("\t\textent data backref root %llu "
-                              "objectid %llu offset %llu count %u\n",
-                              (unsigned long long)btrfs_extent_data_ref_root(eb, dref),
-                              (unsigned long long)btrfs_extent_data_ref_objectid(eb, dref),
-                              (unsigned long long)btrfs_extent_data_ref_offset(eb, dref),
-                              btrfs_extent_data_ref_count(eb, dref));
+               case BTRFS_EXTENT_DATA_REF_KEY:
+                       print_extent_data_ref(eb, i);
                        break;
-                       }
                case BTRFS_SHARED_DATA_REF_KEY: {
                        struct btrfs_shared_data_ref *sref;
                        sref = btrfs_item_ptr(eb, i, struct btrfs_shared_data_ref);