VisionFive2 Linux kernel

author: Filipe Manana <fdmanana@suse.com> 2023-06-19 17:21:47 +0100 committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2023-07-19 16:36:57 +0200 commit: a5cdc4012efa808e07d073c11dc2f366b5394ad3 parent: 6c65062f66cf14e6a9db66400b99dfbe6b2f3f9e

Commit Summary:

btrfs: fix race when deleting quota root from the dirty cow roots list

Diffstat:

1 file changed, 2 insertions, 0 deletions

diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index f41da7ac360d..f8735b31da16 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1301,7 +1301,9 @@ int btrfs_quota_disable(struct btrfs_fs_info *fs_info)
 		goto out;
 	}
 
+	spin_lock(&fs_info->trans_lock);
 	list_del(&quota_root->dirty_list);
+	spin_unlock(&fs_info->trans_lock);
 
 	btrfs_tree_lock(quota_root->node);
 	btrfs_clear_buffer_dirty(trans, quota_root->node);