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Commit 81353d50 authored by David Sterba's avatar David Sterba
Browse files

btrfs: check quota status earlier and don't do unnecessary frees 



Status of quotas should be the first check in
btrfs_qgroup_account_extent and we can return immediatelly, no need to
do no-op ulist frees.

Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 53d32359

fs/btrfs/qgroup.c

+3 −2
Original line number Diff line number Diff line
@@ -1945,13 +1945,14 @@ btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, 
	u64 nr_old_roots = 0;

	int ret = 0;



	if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))

		return 0;



	if (new_roots)

		nr_new_roots = new_roots->nnodes;

	if (old_roots)

		nr_old_roots = old_roots->nnodes;



	if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags))

		goto out_free;

	BUG_ON(!fs_info->quota_root);



	trace_btrfs_qgroup_account_extent(fs_info, bytenr, num_bytes,