From: "J. Bruce Fields" <bfields@fieldses.org>
To: Gu Zheng <guzheng1@huawei.com>
Cc: jlayton@poochiereds.net, linux-nfs@vger.kernel.org,
houtao1@huawei.com, Zhaohongjiang <zhaohongjiang@huawei.com>,
miaoxie@huawei.com, Kinglong Mee <kinglongmee@gmail.com>
Subject: Re: nfs+ext4,can not umount the ext4 mountpoint
Date: Wed, 17 May 2017 11:46:48 -0400 [thread overview]
Message-ID: <20170517154648.GB30168@fieldses.org> (raw)
In-Reply-To: <591BF94E.9000805@huawei.com>
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@gmail.com
I'm not sure what those patches still need--they may just be waiting for
my review.
--b
next prev parent reply other threads:[~2017-05-17 15:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-16 12:57 nfs+ext4,can not umount the ext4 mountpoint Gu Zheng
2017-05-16 17:42 ` J. Bruce Fields
2017-05-17 7:18 ` Gu Zheng
2017-05-17 15:46 ` J. Bruce Fields [this message]
2017-05-18 10:59 ` Gu Zheng
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