From patchwork Wed Aug 28 21:02:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Howells X-Patchwork-Id: 13781986 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 9AFC31B0109 for ; Wed, 28 Aug 2024 21:03:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724879033; cv=none; b=s9XlNasj6ty0EqvEqQERMLKiy2ptVab4URrR77XonSL/n9EfQrjwSv2aGFir/zR5LVw5VRN/VuAixDbEonF2G57XDsOVVCxArGnxOGaDwWpcA7sKK4QacWR4qKy/FaURZxMVs1T77nb16F1R211g4XTK0W4ivZu202DIZckR0Yg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724879033; c=relaxed/simple; bh=dZLD/JcsA3bm8Cz88EokWnyb6qwNyJsN5B2wjUVoB8s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MGWhHqPF76JrzFCwJa1wde6kHyhnhGl7RgPOAgh6Q/vWqGNR76h7kpvmrSm8XE6gWjdWfM+B4+3Hl9b2FP97atnasKm4++gps1zn2rZOoa084jYK8V/j6aMoJcXvEWK6+AUM/qsyKE5xM7YbcZETJ8o2ZzVWtv3gHimEhpc/lyg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=REgv7IQR; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="REgv7IQR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1724879030; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HnRbucMY226i4IUYHJiuv+7kBNxjZEs05bItUy7sjXs=; b=REgv7IQR0dZOkBay5uqUMA+aoN7jimvi7JXLWm6KZVqRHEu628UwOXFM3xQaHFaWux4Hx5 SOdGGpqAeYpzq77PsVe2MW6OxFR+zjrQPFOkocPPln2RmxbIM6Mzw7Qo0HaOXqJGy/5I12 ekiGzf8xSPc77/tecm2rikHEdkbKbSY= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-122-iAIpNcUkPheyG0CeJjFQ_w-1; Wed, 28 Aug 2024 17:03:45 -0400 X-MC-Unique: iAIpNcUkPheyG0CeJjFQ_w-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 010F11955BF1; Wed, 28 Aug 2024 21:03:43 +0000 (UTC) Received: from warthog.procyon.org.com (unknown [10.42.28.30]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5B35C1955BF2; Wed, 28 Aug 2024 21:03:38 +0000 (UTC) From: David Howells To: Christian Brauner , Steve French Cc: David Howells , Paulo Alcantara , Tom Talpey , Dominique Martinet , Jeff Layton , Matthew Wilcox , netfs@lists.linux.dev, linux-afs@lists.infradead.org, linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs@lists.linux.dev, linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/6] netfs, cifs: Improve some debugging bits Date: Wed, 28 Aug 2024 22:02:47 +0100 Message-ID: <20240828210249.1078637-7-dhowells@redhat.com> In-Reply-To: <20240828210249.1078637-1-dhowells@redhat.com> References: <20240828210249.1078637-1-dhowells@redhat.com> Precedence: bulk X-Mailing-List: v9fs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Improve some debugging bits: (1) The netfslib _debug() macro doesn't need a newline in its format string. (2) Display the request debug ID and subrequest index in messages emitted in smb2_adjust_credits() to make it easier to reference in traces. Signed-off-by: David Howells cc: Steve French cc: Paulo Alcantara cc: Jeff Layton cc: linux-cifs@vger.kernel.org cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org --- fs/netfs/io.c | 2 +- fs/smb/client/smb2ops.c | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/netfs/io.c b/fs/netfs/io.c index 943128507af5..d6ada4eba744 100644 --- a/fs/netfs/io.c +++ b/fs/netfs/io.c @@ -270,7 +270,7 @@ static void netfs_reset_subreq_iter(struct netfs_io_request *rreq, if (count == remaining) return; - _debug("R=%08x[%u] ITER RESUB-MISMATCH %zx != %zx-%zx-%llx %x\n", + _debug("R=%08x[%u] ITER RESUB-MISMATCH %zx != %zx-%zx-%llx %x", rreq->debug_id, subreq->debug_index, iov_iter_count(&subreq->io_iter), subreq->transferred, subreq->len, rreq->i_size, diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index 4df84ebe8dbe..e6540072ffb0 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -316,7 +316,8 @@ smb2_adjust_credits(struct TCP_Server_Info *server, cifs_trace_rw_credits_no_adjust_up); trace_smb3_too_many_credits(server->CurrentMid, server->conn_id, server->hostname, 0, credits->value - new_val, 0); - cifs_server_dbg(VFS, "request has less credits (%d) than required (%d)", + cifs_server_dbg(VFS, "R=%x[%x] request has less credits (%d) than required (%d)", + subreq->rreq->debug_id, subreq->subreq.debug_index, credits->value, new_val); return -EOPNOTSUPP; @@ -338,8 +339,9 @@ smb2_adjust_credits(struct TCP_Server_Info *server, trace_smb3_reconnect_detected(server->CurrentMid, server->conn_id, server->hostname, scredits, credits->value - new_val, in_flight); - cifs_server_dbg(VFS, "trying to return %d credits to old session\n", - credits->value - new_val); + cifs_server_dbg(VFS, "R=%x[%x] trying to return %d credits to old session\n", + subreq->rreq->debug_id, subreq->subreq.debug_index, + credits->value - new_val); return -EAGAIN; }