From: Jeff Mahoney <jeffm@xxxxxxxx>
---
backref.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/backref.c b/backref.c
index ac1b506..be3376a 100644
--- a/backref.c
+++ b/backref.c
@@ -130,6 +130,11 @@ struct __prelim_ref {
u64 wanted_disk_byte;
};
+static struct __prelim_ref *list_first_pref(struct list_head *head)
+{
+ return list_first_entry(head, struct __prelim_ref, list);
+}
+
struct pref_state {
struct list_head pending;
};
@@ -804,8 +809,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
__merge_refs(&prefstate, 2);
while (!list_empty(&prefstate.pending)) {
- ref = list_first_entry(&prefstate.pending,
- struct __prelim_ref, list);
+ ref = list_first_pref(&prefstate.pending);
WARN_ON(ref->count < 0);
if (roots && ref->count && ref->root_id && ref->parent == 0) {
/* no parent == root of tree */
@@ -857,8 +861,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans,
out:
btrfs_free_path(path);
while (!list_empty(&prefstate.pending)) {
- ref = list_first_entry(&prefstate.pending,
- struct __prelim_ref, list);
+ ref = list_first_pref(&prefstate.pending);
list_del(&ref->list);
kfree(ref);
}
--
2.11.0
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