diff options
author | Su Yue <suy.fnst@cn.fujitsu.com> | 2018-04-24 13:52:32 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2018-06-07 16:37:36 +0200 |
commit | d9b32dd2e9cfd5df62ceb76e939b4a76d1229e94 (patch) | |
tree | a72c86e29c16098cede45c9ad04470ac95202acb | |
parent | 6a42806d74c148b7a46c1ea04c53c03e9b12b472 (diff) |
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 <suy.fnst@cn.fujitsu.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r-- | backref.c | 6 |
1 files changed, 0 insertions, 6 deletions
@@ -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; |