summaryrefslogtreecommitdiff
path: root/cmds-check.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmds-check.c')
-rw-r--r--cmds-check.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/cmds-check.c b/cmds-check.c
index 5cc84690..17b7efbf 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -10229,10 +10229,8 @@ static int check_extent_data_item(struct btrfs_root *root,
dbref_key.offset = btrfs_file_extent_disk_num_bytes(eb, fi);
ret = btrfs_search_slot(NULL, extent_root, &dbref_key, &path, 0, 0);
- if (ret) {
- err |= BACKREF_MISSING;
- goto error;
- }
+ if (ret)
+ goto out;
leaf = path.nodes[0];
slot = path.slots[0];
@@ -10273,11 +10271,10 @@ static int check_extent_data_item(struct btrfs_root *root,
ptr += btrfs_extent_inline_ref_size(type);
}
- /* Didn't found inlined data backref, try EXTENT_DATA_REF_KEY */
if (!found_dbackref) {
btrfs_release_path(&path);
- btrfs_init_path(&path);
+ /* Didn't find inlined data backref, try EXTENT_DATA_REF_KEY */
dbref_key.objectid = btrfs_file_extent_disk_bytenr(eb, fi);
dbref_key.type = BTRFS_EXTENT_DATA_REF_KEY;
dbref_key.offset = hash_extent_data_ref(root->objectid,
@@ -10285,13 +10282,32 @@ static int check_extent_data_item(struct btrfs_root *root,
ret = btrfs_search_slot(NULL, root->fs_info->extent_root,
&dbref_key, &path, 0, 0);
- if (!ret)
+ if (!ret) {
found_dbackref = 1;
+ goto out;
+ }
+
+ btrfs_release_path(&path);
+
+ /*
+ * Neither inlined nor EXTENT_DATA_REF found, try
+ * SHARED_DATA_REF as last chance.
+ */
+ dbref_key.objectid = disk_bytenr;
+ dbref_key.type = BTRFS_SHARED_DATA_REF_KEY;
+ dbref_key.offset = eb->start;
+
+ ret = btrfs_search_slot(NULL, root->fs_info->extent_root,
+ &dbref_key, &path, 0, 0);
+ if (!ret) {
+ found_dbackref = 1;
+ goto out;
+ }
}
+out:
if (!found_dbackref)
err |= BACKREF_MISSING;
-error:
btrfs_release_path(&path);
if (err & BACKREF_MISSING) {
error("data extent[%llu %llu] backref lost",