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Commit 8e217858 authored by Geliang Tang's avatar Geliang Tang Committed by David Sterba
Browse files

btrfs: fix iterator with update error in backref.c 



Fix the following error:

fs/btrfs/backref.c:565:1-20: iterator with update on line 577

Fixes: a7ca4225('btrfs: use list_for_each_entry* in backref.c')
Signed-off-by: default avatarGeliang Tang <geliangtang@163.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 95617d69

fs/btrfs/backref.c

+5 −5
Original line number Diff line number Diff line
@@ -560,13 +560,13 @@ static int __add_missing_keys(struct btrfs_fs_info *fs_info, 
 */

static void __merge_refs(struct list_head *head, int mode)

{

	struct __prelim_ref *ref1;

	struct __prelim_ref *pos1;



	list_for_each_entry(ref1, head, list) {

		struct __prelim_ref *ref2 = ref1, *tmp;

	list_for_each_entry(pos1, head, list) {

		struct __prelim_ref *pos2 = pos1, *tmp;



		list_for_each_entry_safe_continue(ref2, tmp, head, list) {

			struct __prelim_ref *xchg;

		list_for_each_entry_safe_continue(pos2, tmp, head, list) {

			struct __prelim_ref *xchg, *ref1 = pos1, *ref2 = pos2;

			struct extent_inode_elem *eie;



			if (!ref_for_same_block(ref1, ref2))