Add check for tree-log roots in btrfs_alloc_reserved_extents



Tree log blocks are only reserved, and should not ever get fully
allocated on disk.  This check makes sure they stay out of the
extent tree.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

parent ce3ed71a

fs/btrfs/extent-tree.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2365,6 +2365,9 @@ int btrfs_alloc_reserved_extent(struct btrfs_trans_handle *trans,
		struct btrfs_key *ins)
		{
		int ret;

		if (root_objectid == BTRFS_TREE_LOG_OBJECTID)
		return 0;
		maybe_lock_mutex(root);
		ret = __btrfs_alloc_reserved_extent(trans, root, root_objectid,
		ref_generation, owner,