btrfs-progs: fix extent key endian bug in repair

Extents rebuilt from backrefs can have their objectid mangled.  The code
tried to build a disk_key by hand and got the swabbing backwards.

Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Zach Brown 2013-08-14 16:16:38 -07:00 committed by David Sterba
parent 2cd95f945a
commit 47c072c2d8

View File

@ -3931,9 +3931,12 @@ static int record_extent(struct btrfs_trans_handle *trans,
bi = (struct btrfs_tree_block_info *)(ei + 1);
memset_extent_buffer(leaf, 0, (unsigned long)bi,
sizeof(*bi));
memset(&copy_key, 0, sizeof(copy_key));
copy_key.objectid = le64_to_cpu(rec->info_objectid);
btrfs_set_disk_key_objectid(&copy_key,
rec->info_objectid);
btrfs_set_disk_key_type(&copy_key, 0);
btrfs_set_disk_key_offset(&copy_key, 0);
btrfs_set_tree_block_level(leaf, bi, rec->info_level);
btrfs_set_tree_block_key(leaf, bi, &copy_key);