linux-kernel - Re: [PATCH 3/3] NFS: nfs_encode_fh: Remove S

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Date:   Wed, 14 Dec 2022 16:39:32 +0000
From:   Chuck Lever III <chuck.lever@...cle.com>
To:     Anna Schumaker <anna@...nel.org>
CC:     Trond Myklebust <trond.myklebust@...merspace.com>,
        Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Jeff Layton <jlayton@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>, Ian Kent <raven@...maw.net>,
        "chris.chilvers@...sbroker.com" <chris.chilvers@...sbroker.com>,
        "david.young@...sbroker.com" <david.young@...sbroker.com>,
        "luis.turcitu@...sbroker.com" <luis.turcitu@...sbroker.com>,
        "david@...ma-star.at" <david@...ma-star.at>,
        "benmaynard@...gle.com" <benmaynard@...gle.com>,
        Richard Weinberger <richard@....at>
Subject: Re: [PATCH 3/3] NFS: nfs_encode_fh: Remove S_AUTOMOUNT check



> On Dec 14, 2022, at 11:37 AM, Anna Schumaker <anna@...nel.org> wrote:
> 
> On Wed, Dec 14, 2022 at 10:09 AM Chuck Lever III <chuck.lever@...cle.com> wrote:
>> 
>> 
>> 
>>> On Dec 7, 2022, at 3:43 AM, Richard Weinberger <richard@....at> wrote:
>>> 
>>> Now with NFSD being able to cross into auto mounts,
>>> the check can be removed.
>>> 
>>> Signed-off-by: Richard Weinberger <richard@....at>
>>> ---
>>> fs/nfs/export.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>> 
>>> diff --git a/fs/nfs/export.c b/fs/nfs/export.c
>>> index 01596f2d0a1e..0a5ee1754d50 100644
>>> --- a/fs/nfs/export.c
>>> +++ b/fs/nfs/export.c
>>> @@ -42,7 +42,7 @@ nfs_encode_fh(struct inode *inode, __u32 *p, int *max_len, struct inode *parent)
>>>      dprintk("%s: max fh len %d inode %p parent %p",
>>>              __func__, *max_len, inode, parent);
>>> 
>>> -     if (*max_len < len || IS_AUTOMOUNT(inode)) {
>>> +     if (*max_len < len) {
>>>              dprintk("%s: fh len %d too small, required %d\n",
>>>                      __func__, *max_len, len);
>>>              *max_len = len;
>>> --
>>> 2.26.2
>>> 
>> 
>> I plan to take this through the nfsd tree, thus this one needs
>> an Ack from the NFS client maintainers.
> 
> Acked-by: Anna Schumaker <Anna.Schumaker@...app.com>

Thanks!

--
Chuck Lever