From: Chuck Lever <cel@kernel.org>
To: Jeff Layton <jlayton@kernel.org>, NeilBrown <neil@brown.name>,
Olga Kornievskaia <okorniev@redhat.com>,
Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
Sergey Bashirov <sergeybashirov@gmail.com>
Cc: Chuck Lever <chuck.lever@oracle.com>,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
Konstantin Evtushenko <koevtushenko@yandex.com>
Subject: Re: [PATCH] NFSD: Disallow layoutget during grace period
Date: Fri, 5 Sep 2025 10:27:28 -0400 [thread overview]
Message-ID: <175708243820.6199.8033490028281613257.b4-ty@oracle.com> (raw)
In-Reply-To: <20250825131122.98410-1-sergeybashirov@gmail.com>
From: Chuck Lever <chuck.lever@oracle.com>
On Mon, 25 Aug 2025 16:11:02 +0300, Sergey Bashirov wrote:
> When the server is recovering from a reboot and is in a grace period,
> any operation that may result in deletion or reallocation of block
> extents should not be allowed. See RFC 8881, section 18.43.3.
>
> If multiple clients write data to the same file, rebooting the server
> during writing may result in file corruption. In the worst case, the
> exported XFS may also become corrupted. Observed this behavior while
> testing pNFS block volume setup.
>
> [...]
Applied to nfsd-testing, thanks!
[1/1] NFSD: Disallow layoutget during grace period
commit: c4df20612a34b4713e81e0b3612a84481f6ae82e
--
Chuck Lever
prev parent reply other threads:[~2025-09-05 14:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 13:11 Sergey Bashirov
2025-08-25 16:33 ` Jeff Layton
2025-08-27 18:07 ` Sergey Bashirov
2025-09-05 14:27 ` Chuck Lever [this message]
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