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Subject:	Re: [Ms-nfs41-client-devel] WSL: Use ms-nfs41-client on WSL Linux?
To:	ms-nfs41-client-devel AT lists DOT sourceforge DOT net, cygwin AT cygwin DOT com
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From:	Cedric Blancher via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Cedric Blancher <cedric DOT blancher AT gmail DOT com>
Sender:	"Cygwin" <cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com>

On Tue, 29 Oct 2024 at 14:13, Martin Wege <martin DOT l DOT wege AT gmail DOT com> wrote:
>
> Hello,
>
> How can I use ms-nfs41-client from a WSL Linux?

WSL does not mount anything except C: at boot time.

So you need to do a manual mount inside WSL.

Example 1, using drive letter N:
First mount NFS share in Windows's Cygwin terminal:
/sbin/nfs_mount  -o rw "N" nfs://31.48.17.20//lab/lab14/rundata/

Within WSL then mount Windows drive 'N':
mkdir /mnt/n
mount -t drvfs N: /mnt/n


Example 2, using UNC path:
/sbin/nfs_mount -o rw nfs://31.48.17.20//lab/lab14/rundata/

Within WSL then mount Windows drive
mkdir /mnt/rundata
mount -t drvfs '\\31 DOT 48 DOT 17 DOT 20 AT 2049\nfs4\lab\lab14\rundata' /mnt/rundata

Just calling /sbin/nfs_mount without arguments will print you the UNC
path for each mount.

> Is this supported?

Yes, this is supported in the upcoming release of ms-nfs41-client,
with some limitations:
- Win32 QueryInformation types FileStatInformation (68) and
FileStatLxInformation (70) are not yet implemented, so uid/gid/mode
available in Cygwin are not available in WSL yet
- softlinks do not work (EPERM), likely because WSL probes
FileStatInformation&FileStatLxInformation at start, gets
STATUS_NOT_SUPPORTED and then treats it like a FAT drive.

Ced
-- 
Cedric Blancher <cedric DOT blancher AT gmail DOT com>
[https://plus.google.com/u/0/+CedricBlancher/]
Institute Pasteur

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