From patchwork Wed Nov 20 16:15:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Aur=C3=A9lien_Aptel?= X-Patchwork-Id: 11254371 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EC09E6C1 for ; Wed, 20 Nov 2019 16:16:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D667B2071B for ; Wed, 20 Nov 2019 16:16:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728728AbfKTQQE (ORCPT ); Wed, 20 Nov 2019 11:16:04 -0500 Received: from mx2.suse.de ([195.135.220.15]:46662 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728305AbfKTQQE (ORCPT ); Wed, 20 Nov 2019 11:16:04 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 9A4A8B2F95; Wed, 20 Nov 2019 16:16:02 +0000 (UTC) From: Aurelien Aptel To: linux-cifs@vger.kernel.org Cc: smfrench@gmail.com, Aurelien Aptel Subject: [PATCH 1/2] cifs: dump channel info in DebugData Date: Wed, 20 Nov 2019 17:15:58 +0100 Message-Id: <20191120161559.30295-1-aaptel@suse.com> X-Mailer: git-send-email 2.16.4 Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org * show server&TCP states for extra channels * mention if an interface has a channel connected to it Signed-off-by: Aurelien Aptel --- fs/cifs/cifs_debug.c | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index efb2928ff6c8..c2dd07903d56 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -121,6 +121,27 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon) seq_putc(m, '\n'); } +static void +cifs_dump_channel(struct seq_file *m, int i, struct cifs_chan *chan) +{ + struct TCP_Server_Info *server = chan->server; + + seq_printf(m, "\t\tChannel %d Number of credits: %d Dialect 0x%x " + "TCP status: %d Instance: %d Local Users To Server: %d " + "SecMode: 0x%x Req On Wire: %d In Send: %d " + "In MaxReq Wait: %d\n", + i+1, + server->credits, + server->dialect, + server->tcpStatus, + server->reconnect_instance, + server->srv_count, + server->sec_mode, + in_flight(server), + atomic_read(&server->in_send), + atomic_read(&server->num_waiters)); +} + static void cifs_dump_iface(struct seq_file *m, struct cifs_server_iface *iface) { @@ -377,6 +398,13 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) if (ses->sign) seq_puts(m, " signed"); + if (ses->chan_count > 1) { + seq_printf(m, "\n\n\tExtra Channels: %lu\n", + ses->chan_count-1); + for (j = 1; j < ses->chan_count; j++) + cifs_dump_channel(m, j, &ses->chans[j]); + } + seq_puts(m, "\n\tShares:"); j = 0; @@ -415,8 +443,13 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) seq_printf(m, "\n\tServer interfaces: %zu\n", ses->iface_count); for (j = 0; j < ses->iface_count; j++) { + struct cifs_server_iface *iface; + + iface = &ses->iface_list[j]; seq_printf(m, "\t%d)", j); - cifs_dump_iface(m, &ses->iface_list[j]); + cifs_dump_iface(m, iface); + if (is_ses_using_iface(ses, iface)) + seq_puts(m, "\t\t[CONNECTED]\n"); } spin_unlock(&ses->iface_lock); }