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Btrfs: fix a warning when updating qgroup limit

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Step to reproduce:
	mkfs.btrfs <disk>
	mount <disk> <mnt>
	btrfs quota enable <mnt>
	btrfs qgroup limit 0/1 <mnt>
	dmesg

If the relative qgroup dosen't exist, flag 'BTRFS_QGROUP_STATUS_
FLAG_INCONSISTENT' will be set, and print the noise message.
This is wrong, we can just move find_qgroup_rb() before
update_qgroup_limit_item().this dosen't change the logic of the
function. But it can avoid unnecessary noise message and wrong set of flag.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Wang Shilong 2013-04-07 10:50:20 +00:00 committed by Josef Bacik
parent 3f5e2d3b38
commit ddb47afa50
1 changed files with 5 additions and 5 deletions
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10
fs/btrfs/qgroup.c
View File

@ -1092,6 +1092,11 @@ int btrfs_limit_qgroup(struct btrfs_trans_handle *trans,
goto out;
}
qgroup = find_qgroup_rb(fs_info, qgroupid);
if (!qgroup) {
ret = -ENOENT;
goto out;
}
ret = update_qgroup_limit_item(trans, quota_root, qgroupid,
limit->flags, limit->max_rfer,
limit->max_excl, limit->rsv_rfer,
@ -1102,11 +1107,6 @@ int btrfs_limit_qgroup(struct btrfs_trans_handle *trans,
(unsigned long long)qgroupid);
}
qgroup = find_qgroup_rb(fs_info, qgroupid);
if (!qgroup) {
ret = -ENOENT;
goto out;
}
spin_lock(&fs_info->qgroup_lock);
qgroup->lim_flags = limit->flags;
qgroup->max_rfer = limit->max_rfer;