to J. Bruce Fields:
thanks for your supports.
to Kinglong Mee:
I warried about how to modify for supporting the expected unmount.
It is helpful to me after i saw the patchs,but it felt a little unreasonably in bellow scene:
if a filesystem is exported and i am in the mounted directory on client,the fs also can be umounted on server.
best wishes!
在 2017/5/17 23:46, J. Bruce Fields 写道:
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
.
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