From d9b32dd2e9cfd5df62ceb76e939b4a76d1229e94 Mon Sep 17 00:00:00 2001 From: Su Yue Date: Tue, 24 Apr 2018 13:52:32 +0800 Subject: [PATCH] btrfs-progs: remove useless branch in __merge_refs After call of ref_for_same_block, ref1->parent must equals to ref2->parent, the block of exchange is never reached. So remove the block of exchange. Signed-off-by: Su Yue Reviewed-by: Qu Wenruo Signed-off-by: David Sterba --- backref.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/backref.c b/backref.c index c144dbf0..51553c70 100644 --- a/backref.c +++ b/backref.c @@ -497,7 +497,6 @@ static void __merge_refs(struct pref_state *prefstate, int mode) for (pos2 = pos1->next, n2 = pos2->next; pos2 != head; pos2 = n2, n2 = pos2->next) { struct __prelim_ref *ref2; - struct __prelim_ref *xchg; struct extent_inode_elem *eie; ref2 = list_entry(pos2, struct __prelim_ref, list); @@ -505,11 +504,6 @@ static void __merge_refs(struct pref_state *prefstate, int mode) if (mode == 1) { if (!ref_for_same_block(ref1, ref2)) continue; - if (!ref1->parent && ref2->parent) { - xchg = ref1; - ref1 = ref2; - ref2 = xchg; - } } else { if (ref1->parent != ref2->parent) continue; -- 2.11.4.GIT