Yes, They are mount points.
/dev/mapper/storage_pool-testnfs09 on /mnt/storage_pool/testnfs09 type xfs (rw)
> Date: Mon, 2 Jan 2012 10:02:01 -0500
> From: hch@xxxxxxxxxxxxx
> To: ygq51@xxxxxxxxxxx
> Subject: Re: xfs: validate inode numbers in file handles correctly--NFS Stale File Handle Again
> CC: hch@xxxxxxxxxxxxx; linux-xfs@xxxxxxxxxxx; pengxihan@xxxxxxxxx
>
> On Thu, Dec 29, 2011 at 05:19:55PM +0800, yangguoquan wrote:
> >
> > NFS Stale File Handle Again, But this happens when mount operation not during accessing file or directory.
> >
> > My /etc/exports file:
> >
> > /mnt/storage_pool/testnfs00 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs01 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs02 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs03 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs04 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs05 *(rw,sync,no_root_squas
h)
> > /mnt/storage_pool/testnfs06 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs07 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs08 *(rw,sync,no_root_squash)
> > /mnt/storage_pool/testnfs09 *(rw,sync,no_root_squash)
>
> Are these mount points? If not take a look at
>
> http://xfs.org/index.php/XFS_FAQ#Q:_Why_doesn.27t_NFS-exporting_subdirectories_of_inode64-mounted_filesystem_work.3F
>
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