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btrfs: use helper to find first ref head at btrfs_destroy_delayed_refs()

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Instead of open coding it, use the find_first_ref_head() helper at
btrfs_destroy_delayed_refs(). This avoids duplicating the logic,
specially with the upcoming changes in subsequent patches.

Reviewed-by: Boris Burkov <boris@bur.io>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2024-10-18 11:29:37 +01:00 committed by David Sterba
parent 8d07a8f4c6
commit 055903c4e7
1 changed files with 5 additions and 4 deletions
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9
fs/btrfs/delayed-ref.c
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@ -1241,18 +1241,19 @@ bool btrfs_find_delayed_tree_ref(struct btrfs_delayed_ref_head *head,
void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans)
{
struct rb_node *node;
struct btrfs_delayed_ref_root *delayed_refs = &trans->delayed_refs;
struct btrfs_fs_info *fs_info = trans->fs_info;
spin_lock(&delayed_refs->lock);
while ((node = rb_first_cached(&delayed_refs->href_root)) != NULL) {
while (true) {
struct btrfs_delayed_ref_head *head;
struct rb_node *n;
bool pin_bytes = false;
head = rb_entry(node, struct btrfs_delayed_ref_head,
href_node);
head = find_first_ref_head(delayed_refs);
if (!head)
break;
if (btrfs_delayed_ref_lock(delayed_refs, head))
continue;