On Wed, May 17, 2017 at 03:18:38PM +0800, Gu Zheng wrote: > and now we do not set the crossmnt ,so that we saw is the underlying directory . > the nfs mount have no relation to ext4 mountpoint, it can be umounted maybe better. > > can we add some limits to let it do not enter the nfsd_cross_mnt() in nfsd_lookup_dentry()if the crossmnt is not set? If the problem is inability to unmount a filesystem that isn't actually even exported, then it *might* be addressed by Kinglong Mee's patches: http://lkml.kernel.org/r/55ED9899.9010401@xxxxxxxxx I'm not sure what those patches still need--they may just be waiting for my review. --b -- 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
