On 5/23/2014 10:18, Trond Myklebust wrote: > > On May 22, 2014 10:14 PM, "Kinglong Mee" <kinglongmee@xxxxxxxxx <mailto:kinglongmee@xxxxxxxxx>> wrote: >> >> When using NFSv4 on Fedora 20 with latest kernel (3.15.0-rc6+), >> I can't umount the mountpoint after only an 'ls' operation. >> >> [root@localhost ~]# cat /etc/exports >> /nfstest *(rw,no_root_squash,no_subtree_check,insecure) >> [root@localhost ~]# mount -t nfs 127.0.0.1:/ /mnt/ >> [root@localhost ~]# ls /mnt/ >> nfstest >> [root@localhost ~]# umount /mnt/ >> umount.nfs4: /mnt: device is busy > > Hi Kinglong > > Nothing springs out to me. Could you please bisect? Trying it on rhel7 with 3.10.0-121.el7.x86_64, also got "device is busy". [root@localhost ~]# umount /mnt/ umount.nfs4: /mnt: device is busy Maybe this problem has exist a long time. thanks, Kinglong Mee -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
