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Date:      Tue, 5 Aug 2025 00:54:54 +0100
From:      Jessica Clarke <jrtc27@freebsd.org>
To:        Rick Macklem <rmacklem@freebsd.org>
Cc:        "src-committers@freebsd.org" <src-committers@FreeBSD.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@FreeBSD.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@FreeBSD.org>
Subject:   Re: git: 51affb7e9716 - main - nfscl: Fix GetACL so that it does not want a reply cached
Message-ID:  <DB102A86-8E5A-4F9C-805F-83E7D933B13F@freebsd.org>
In-Reply-To: <202508042339.574NdNmf032977@gitrepo.freebsd.org>
References:  <202508042339.574NdNmf032977@gitrepo.freebsd.org>

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On 5 Aug 2025, at 00:39, Rick Macklem <rmacklem@freebsd.org> wrote:

> The branch main has been updated by rmacklem:
>=20
> URL: =
https://cgit.FreeBSD.org/src/commit/?id=3D51affb7e97161e260f6d99cb0904daf7=
cc9f51a7
>=20
> commit 51affb7e97161e260f6d99cb0904daf7cc9f51a7
> Author:     Rick Macklem <rmacklem@FreeBSD.org>
> AuthorDate: 2025-08-04 23:36:28 +0000
> Commit:     Rick Macklem <rmacklem@FreeBSD.org>
> CommitDate: 2025-08-04 23:36:28 +0000
>=20
>    nfscl: Fix GetACL so that it does not want a reply cached
>=20
>    Without this patch, an NFSv4.1/4.2 GetACL RPC requests that
>    the session cache the reply.  In some cases, the reply may
>    be too large to cache, resulting in a NFS4ERR_X
>    error from the server.
>=20
>    Since a GetACL is idempotent, disable reply caching for it,
>    by setting that it can generate a large reply.
>    Tested against a Linux server with a large ACL on a file.
>=20
>    MFC after:      2 weeks
> ---
> sys/fs/nfs/nfs_commonsubs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>=20
> diff --git a/sys/fs/nfs/nfs_commonsubs.c b/sys/fs/nfs/nfs_commonsubs.c
> index 4ffc4ce5c29f..67e33193ecec 100644
> --- a/sys/fs/nfs/nfs_commonsubs.c
> +++ b/sys/fs/nfs/nfs_commonsubs.c
> @@ -218,7 +218,7 @@ NFSD_VNET_DEFINE_STATIC(u_char *, nfsrv_dnsname) =3D=
 NULL;
>  */
> static int nfs_bigreply[NFSV42_NPROCS] =3D { 0, 0, 0, 1, 0, 1, 1, 0, =
0, 0, 0,
>     0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, =
0, 0, 0,
> -    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, =
0, 0, 0,
> +    0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, =
0, 0, 0,
>     1, 0, 0, 1, 0, 0, 0, 0, 0, 0 };

This would be much more readable and maintainable as a C99 designated
initialiser.

Jess

> /* local functions */




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