Date:   Mon, 3 Jan 2022 15:08:47 -0500
To:     trondmy@kernel.org
Cc:     Anna Schumaker <anna.schumaker@netapp.com>,
        linux-nfs@vger.kernel.org
Subject: Re: [PATCH 0/5] Support case insensitive filesystems in NFSv4
Message-ID: <20220103200847.GH21514@fieldses.org>
References: <20211217203658.439352-1-trondmy@kernel.org>
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In-Reply-To: <20211217203658.439352-1-trondmy@kernel.org>
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From:   bfields@fieldses.org (J. Bruce Fields)
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On Fri, Dec 17, 2021 at 03:36:53PM -0500, trondmy@kernel.org wrote:
> From: Trond Myklebust <trond.myklebust@hammerspace.com>
> 
> Add support for detecting an export of a case insensitive filesystem in
> NFSv4. If that is the case, then we need to adjust the dentry caching
> and invalidation rules to ensure that we don't inadvertently end up
> caching other case folded aliases after an operation that results in a
> directory entry name change.

What server and configuration are you testing this against?

--b.

> 
> Trond Myklebust (5):
>   NFSv4: Add some support for case insensitive filesystems
>   NFSv4: Just don't cache negative dentries on case insensitive servers
>   NFS: Invalidate negative dentries on all case insensitive directory
>     changes
>   NFS: Add a helper to remove case-insensitive aliases
>   NFS: Fix the verifier for case sensitive filesystem in
>     nfs_atomic_open()
> 
>  fs/nfs/dir.c              | 41 +++++++++++++++++++++++++++++++++------
>  fs/nfs/internal.h         |  1 +
>  fs/nfs/nfs4proc.c         | 13 +++++++++++--
>  fs/nfs/nfs4xdr.c          | 40 ++++++++++++++++++++++++++++++++++++++
>  include/linux/nfs_fs_sb.h |  2 ++
>  include/linux/nfs_xdr.h   |  2 ++
>  6 files changed, 91 insertions(+), 8 deletions(-)
> 
> -- 
> 2.33.1