From patchwork Fri Aug 4 17:16:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13342147 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B710C41513 for ; Fri, 4 Aug 2023 17:19:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229997AbjHDRTc (ORCPT ); Fri, 4 Aug 2023 13:19:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231229AbjHDRTb (ORCPT ); Fri, 4 Aug 2023 13:19:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9819A198B for ; Fri, 4 Aug 2023 10:19:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 363E1620B6 for ; Fri, 4 Aug 2023 17:19:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4BC8C433C8; Fri, 4 Aug 2023 17:19:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691169569; bh=uCRVJNXdPAeKC/KWoGiB2HuixJQhm1bCbFFndW+3U0I=; h=From:To:Cc:Subject:Date:From; b=Z0NyHRyLPmLOMB1eLoyhyUcSnFNfgQpW2X+4nqTb9Nj/akLY3gptfc8D9xuXAYH/c sA3S9dfR0lJiKZLzNJAzknHkUgrrgGvjfs/Okg8/3OkfAh1Giky3E5JNwzB0X3NfyY wa29QpjmS+d7z4qrkwiAbRWlNOkbNVn7vTwYQKmKFIGUbyQc/ZBVvk/aRsRzzjV5D/ TlflJLUoGud4iPkGqwVZVb47sIXC3sqAOwf2pMuOOiOpGR4Rh6WeU3mNrcpP6aL43/ GPBnjeeX2XF8VeApLEb/oqReD+utxpYiT97sYtqqCS3/hq8mtQ0LsSeinR5ddD2vO1 r3ljQ46X0FI8Q== From: Lorenzo Bianconi To: linux-nfs@vger.kernel.org Cc: lorenzo.bianconi@redhat.com, chuck.lever@oracle.com, jlayton@kernel.org, neilb@suse.de Subject: [PATCH v5 0/2] add rpc_status handler in nfsd debug filesystem Date: Fri, 4 Aug 2023 19:16:06 +0200 Message-ID: X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Introduce rpc_status entry in nfsd debug filesystem in order to dump pending RPC requests debugging information. Changes since v4: - rely on acquire/release APIs and get rid of atomic operation - fix kdoc for nfsd_rpc_status_open - get rid of ',' as field delimiter in nfsd_rpc_status hanlder - move nfsd_rpc_status before nfsd_v4 enum entries - fix compilantion error if nfsdv4 is not enabled Changes since v3: - introduce rq_status_counter in order to detect if the RPC request is pending and RPC info are stable - rely on __svc_print_addr to dump IP info Changes since v2: - minor changes in nfsd_rpc_status_show output Changes since v1: - rework nfsd_rpc_status_show output Changes since RFCv1: - riduce time holding nfsd_mutex bumping svc_serv refcoung in nfsd_rpc_status_open() - dump rqstp->rq_stime - add missing kdoc for nfsd_rpc_status_open() Link: https://bugzilla.linux-nfs.org/show_bug.cgi?id=3D366 Lorenzo Bianconi (2): SUNRPC: add verbose parameter to __svc_print_addr() NFSD: add rpc_status entry in nfsd debug filesystem fs/nfsd/nfs4proc.c | 4 +- fs/nfsd/nfsctl.c | 9 ++ fs/nfsd/nfsd.h | 7 ++ fs/nfsd/nfssvc.c | 140 ++++++++++++++++++++++++++++++++ include/linux/sunrpc/svc.h | 1 + include/linux/sunrpc/svc_xprt.h | 12 +-- net/sunrpc/svc.c | 2 +- net/sunrpc/svc_xprt.c | 2 +- 8 files changed, 166 insertions(+), 11 deletions(-) Reviewed-by: Jeff Layton