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btrfs: quota: Update quota tree after qgroup relationship change. 

Previous patch modified the in memory struct but it's not written in
quota tree until next commit.
So user will still get old data using "btrfs qgroup show" after
assign/remove.

This patch will call btrfs_run_qgroups in assign ioctl so it will be
updated to in memory quota trees and user will get up-to-date results.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
hifive-unleashed-5.1
Qu Wenruo 2015-02-27 16:24:28 +08:00 committed by Chris Mason
parent 9c8b35b1ba
commit e082f56313
1 changed files with 5 additions and 0 deletions
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5
fs/btrfs/ioctl.c
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@ -4641,6 +4641,11 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg)
sa->src, sa->dst);
}
/* update qgroup status and info */
err = btrfs_run_qgroups(trans, root->fs_info);
if (err < 0)
btrfs_error(root->fs_info, ret,
"failed to update qgroup status and info\n");
err = btrfs_end_transaction(trans, root);
if (err && !ret)
ret = err;