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| author | Josef Bacik <josef@redhat.com> | 2011-08-26 09:51:36 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-10-27 12:49:54 -0400 |
| commit | be826706b5c0fcca3bdeff6934cd8d46d046ddfe (patch) | |
| tree | 181c26d6f5d769dbbcbff217dc75f80eaa46bc51 /extent-tree.c | |
| parent | bed7475d77c4891abeb457a8f0b08353501a907c (diff) | |
btrfs-progs: add a recovery utility to pull files from damanged filesystems
Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'extent-tree.c')
| -rw-r--r-- | extent-tree.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/extent-tree.c b/extent-tree.c index b5b7aaa5..5bed3c27 100644 --- a/extent-tree.c +++ b/extent-tree.c @@ -1039,6 +1039,13 @@ static int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, err = ret; goto out; } + if (ret) { + printf("Failed to find [%llu, %u, %llu]\n", key.objectid, key.type, key.offset); + btrfs_print_leaf(root, path->nodes[0]); + btrfs_free_path(path); + return -ENOENT; + } + BUG_ON(ret); leaf = path->nodes[0]; @@ -1059,6 +1066,12 @@ static int lookup_inline_extent_backref(struct btrfs_trans_handle *trans, item_size = btrfs_item_size_nr(leaf, path->slots[0]); } #endif + if (item_size < sizeof(*ei)) { + printf("Size is %u, needs to be %u, slot %d\n", item_size, + sizeof(*ei), path->slots[0]); + btrfs_print_leaf(root, leaf); + return -EINVAL; + } BUG_ON(item_size < sizeof(*ei)); ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_extent_item); |