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btrfs: warn if leaking delayed_nodes in btrfs_put_root()

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Add a warning for leaked delayed_nodes when putting a root. We currently
do this for inodes, but not delayed_nodes.

Signed-off-by: Leo Martins <loemra.dev@gmail.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
[ Remove the changelog from the commit message. ]
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Leo Martins
2025-05-27 17:04:22 -07:00
committed by David Sterba
parent dd276214e4
commit 186b9dc3c3
1 changed files with 2 additions and 0 deletions
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fs/btrfs/disk-io.c
+2
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@@ -1835,6 +1835,8 @@ void btrfs_put_root(struct btrfs_root *root)
if (refcount_dec_and_test(&root->refs)) {
if (WARN_ON(!xa_empty(&root->inodes)))
xa_destroy(&root->inodes);
if (WARN_ON(!xa_empty(&root->delayed_nodes)))
xa_destroy(&root->delayed_nodes);
WARN_ON(test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state));
if (root->anon_dev)
free_anon_bdev(root->anon_dev);