From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1AA4A40FDB9 for ; Tue, 4 Aug 2026 20:59:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785877198; cv=none; b=q+xF8ZuBTuOuvm1kyTq+SyeMSz3CWUeVcnDqAHevZ5bPG1ME8lIPYmR06ApSRMihQUHH2j77uJAQvZt+u7UKdkxD2oCmnNNQa7XlGu41K938IJTZqN8a8tAhYXPfjPZWUo1za8UdRRySFCaWxnnXxkP4qgBjEMdmYhyH2xE7YdM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785877198; c=relaxed/simple; bh=Lb2rh/ERJHko+3lUQ55KZ60vdpNyMaUMZlmFAuRsgMg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=lVWfWoVfsIK2g1Bh8X/Xi1CRjuDgYsPN1/idqu6Uij+VzrCq1e/dTQSq2n1kk/j6dSRs8+yKU0Qo0g4aeJp+clOxchpkEndAlfCY/k0Yn9Uw0g7gWu/7nvN72dSxttfwYZCFmGIA6KISbJKaVa7F4G5xXQX/T8izNTxoupKxNkc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nwCGaZdC; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nwCGaZdC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B46B1F000E9; Tue, 4 Aug 2026 20:59:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785877196; bh=coZF2kypGYY5PPSgxsMG6/cAb39it9x/2IHWFAc0Lr4=; h=From:To:Cc:Subject:Date; b=nwCGaZdCjW4wDz1m+Iww7J24wwFkny60vI57pHKHCJgzerJgbilsuhXTDNvnnzKRe 6ZFdAsxlvkT1RByqPTMY16AAVZw0uTkyRdMTUdwkwioeWs3/KPwIRvb2RtdDLl3Lby Mlx9MrNxm49wLaV7vdyFTYpFU42Yz9cB5zUIiK/z0iUBSAjbcPUgX2+k15bgJ2OyKO iiiRCp/7T694Cpk50Tf3WL5DOBE4dXhXPunmFzdZ3b3Ghr+Wmliro6ShnlRf5CZCag RslfEFB+i/7QJg1TMJCIQ0Wfl85Nle8z6ie31VJbyFUjzdHM4MRCUDRexi0VAmpmkc XxffQQbdgqzTQ== From: Anna Schumaker To: linux-nfs@vger.kernel.org, trond.myklebust@hammerspace.com Cc: anna@kernel.org Subject: [PATCH 0/4] NFS: Add directory delegation support for CB_NOTIFY Date: Tue, 4 Aug 2026 16:59:51 -0400 Message-ID: <20260804205955.625772-1-anna@kernel.org> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Anna Schumaker These patches add support for the CB_NOTIFY callback operation from NFS servers. Editing directory order or placement in our caches isn't easy or practical the way things are structured now. Instead, I use CB_NOTIFY as an indication that the client needs to refresh its view of the directory. Thoughts? Anna Anna Schumaker (4): NFS: Add an outline for the CB_NOTIFY operation NFS: Add support for CB_NOTIFY4_REMOVE_ENTRY NFS: Add support for CB_NOTIFY4_ADD_ENTRY NFS: Add support for CB_NOTIFY4_RENAME_ENTRY fs/nfs/callback.h | 51 ++++++++++++ fs/nfs/callback_proc.c | 143 ++++++++++++++++++++++++++++++++++ fs/nfs/callback_xdr.c | 172 ++++++++++++++++++++++++++++++++++++++++- fs/nfs/nfs4_fs.h | 2 + fs/nfs/nfs4xdr.c | 31 +++++++- include/linux/nfs4.h | 6 ++ 6 files changed, 400 insertions(+), 5 deletions(-) -- 2.55.0