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[23.128.96.18]) by mx.google.com with ESMTP id i17si7224701ila.149.2021.08.27.11.37.29; Fri, 27 Aug 2021 11:37:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b="tV+n/BMB"; spf=pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-nfs-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229750AbhH0SiR (ORCPT + 99 others); Fri, 27 Aug 2021 14:38:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49904 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229739AbhH0SiQ (ORCPT ); Fri, 27 Aug 2021 14:38:16 -0400 Received: from mail-qk1-x729.google.com (mail-qk1-x729.google.com [IPv6:2607:f8b0:4864:20::729]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2D6FC061757 for ; Fri, 27 Aug 2021 11:37:27 -0700 (PDT) Received: by mail-qk1-x729.google.com with SMTP id y144so8205379qkb.6 for ; Fri, 27 Aug 2021 11:37:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0KIPn5nEPcZq/fwMgTVVtNyI6Jjle3VCa49JKgS12rI=; b=tV+n/BMBdUMZgWDH4GjyfzbsS9+BkjlDPEzFX6FakA64U1dSVTz1yahLuWDb0JD5w7 vqmX9NIyWD5Qh0Aj3EyeHy2yMYakE16/Cto019+2TMto5EiNpJI8dlIEKV/H2pkCz1tu TwWSXsFrcfwvU1l4BjmIWXjixtWgIR4awIEOwxdHK55/iyLbBT36mdXh+bZ7j73S3ZMI JWxAxedSf19V5aXqMLDvFVRm4CrHlhWhl3b9GkxHLynE2r4Jsvf0mlT7CCPCw8KblRU/ /+ii6TduAO0XTumc7347157nf8sFl7PEKSd0mscUoVVQGCrLEbn3tAlxRiAzWJtbrhTO PEfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=0KIPn5nEPcZq/fwMgTVVtNyI6Jjle3VCa49JKgS12rI=; b=r/jAciiwwpi3Va+fLGQrrgdWN75w+5mVXR+txqpVzn20LM6Q1COGksGwzISEJLHyTi 9gELCfLgiiKjSdYqOb0+ET5wN+y7h9/q0iDM6xSZd3FnobYaf3btj1bhl4xDIRcFm3u0 bkUt3wRXmLQk/oIA1nZo6L5HIlxnXtBVx3E1EMbzNV00luU+pYqfQQqvjtAXnBOYBKZb 1wLzAkF98sLn9GCIGSKj7nlQLVCTlyYBnn+v4pbFDcSBgzlOjXaO8awcHNoqxaiX9be7 lpJ8gbHgBEP7O/noLTKdt1GA8IzGs7+8k9/gDh0V4Sy3IbPXMnvywwIrcaKIgXowchtK /dCQ== X-Gm-Message-State: AOAM533sMkT0WBBpg27aCVfuP1DBuI1TE/eFtrUHZ//wmbs2Wz6jiwmM veeu77IPZP2G8TMQ03YMyoVrbfkJQQvsQg== X-Received: by 2002:a05:620a:2045:: with SMTP id d5mr10573681qka.281.1630089447006; Fri, 27 Aug 2021 11:37:27 -0700 (PDT) Received: from kolga-mac-1.vpn.netapp.com ([2600:1700:6a10:2e90:b143:41d3:e2f6:337b]) by smtp.gmail.com with ESMTPSA id bl36sm5207463qkb.37.2021.08.27.11.37.26 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 27 Aug 2021 11:37:26 -0700 (PDT) From: Olga Kornievskaia To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com, steved@redhat.com Cc: linux-nfs@vger.kernel.org Subject: [PATCH v5 0/5] do not collapse trunkable transports Date: Fri, 27 Aug 2021 14:37:13 -0400 Message-Id: <20210827183719.41057-1-olga.kornievskaia@gmail.com> X-Mailer: git-send-email 2.30.1 (Apple Git-130) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org From: Olga Kornievskaia This patch series attempts to allow for new mounts that are to the same server (ie nfsv4.1+ session trunkable servers) but different network addresses to use connections associated with those mounts but still use the same client structure. A new mount options, "max_connect", controls how many extra transports can be added to an existing client, with maximum of 16 such transports. v5: fix compile warning v4: no change to 5 patches were made. patch 6 dropped. man page patch added Olga Kornievskaia (5): SUNRPC keep track of number of transports to unique addresses SUNRPC add xps_nunique_destaddr_xprts to xprt_switch_info in sysfs NFSv4 introduce max_connect mount options SUNRPC enforce creation of no more than max_connect xprts NFSv4.1 add network transport when session trunking is detected fs/nfs/client.c | 2 ++ fs/nfs/fs_context.c | 7 +++++ fs/nfs/internal.h | 2 ++ fs/nfs/nfs4client.c | 41 ++++++++++++++++++++++++++-- fs/nfs/super.c | 2 ++ include/linux/nfs_fs.h | 5 ++++ include/linux/nfs_fs_sb.h | 1 + include/linux/sunrpc/clnt.h | 2 ++ include/linux/sunrpc/xprtmultipath.h | 1 + net/sunrpc/clnt.c | 11 +++++++- net/sunrpc/sysfs.c | 4 ++- net/sunrpc/xprtmultipath.c | 1 + 12 files changed, 75 insertions(+), 4 deletions(-) -- 2.27.0