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

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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>
This commit is contained in:
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;