Commit 3069bd26 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba

btrfs: make btrfs_destroy_delayed_refs use btrfs_delayed_ref_lock

We have this open coded in btrfs_destroy_delayed_refs, use the helper
instead.
Reviewed-by: default avatarNikolay Borisov <nborisov@suse.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d1e14420
...@@ -4246,16 +4246,9 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, ...@@ -4246,16 +4246,9 @@ static int btrfs_destroy_delayed_refs(struct btrfs_transaction *trans,
head = rb_entry(node, struct btrfs_delayed_ref_head, head = rb_entry(node, struct btrfs_delayed_ref_head,
href_node); href_node);
if (!mutex_trylock(&head->mutex)) { if (btrfs_delayed_ref_lock(delayed_refs, head))
refcount_inc(&head->refs);
spin_unlock(&delayed_refs->lock);
mutex_lock(&head->mutex);
mutex_unlock(&head->mutex);
btrfs_put_delayed_ref_head(head);
spin_lock(&delayed_refs->lock);
continue; continue;
}
spin_lock(&head->lock); spin_lock(&head->lock);
while ((n = rb_first_cached(&head->ref_tree)) != NULL) { while ((n = rb_first_cached(&head->ref_tree)) != NULL) {
ref = rb_entry(n, struct btrfs_delayed_ref_node, ref = rb_entry(n, struct btrfs_delayed_ref_node,
......
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