Received: by mail.netbsd.org (Postfix, from userid 605) id DA14884DF7; Thu, 16 Apr 2020 16:38:44 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail.netbsd.org (Postfix) with ESMTP id 513CC84DF6 for ; Thu, 16 Apr 2020 16:38:44 +0000 (UTC) X-Virus-Scanned: amavisd-new at netbsd.org Received: from mail.netbsd.org ([127.0.0.1]) by localhost (mail.netbsd.org [127.0.0.1]) (amavisd-new, port 10025) with ESMTP id Lh8DXWTHafw9 for ; Thu, 16 Apr 2020 16:38:43 +0000 (UTC) Received: from cvs.NetBSD.org (ivanova.netbsd.org [199.233.217.197]) by mail.netbsd.org (Postfix) with ESMTP id D850F84D59 for ; Thu, 16 Apr 2020 16:38:43 +0000 (UTC) Received: by cvs.NetBSD.org (Postfix, from userid 500) id D0360FB27; Thu, 16 Apr 2020 16:38:43 +0000 (UTC) Content-Disposition: inline Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" MIME-Version: 1.0 Date: Thu, 16 Apr 2020 16:38:43 +0000 From: "Jaromir Dolecek" Subject: CVS commit: src/sys/arch/xen/xen To: source-changes@NetBSD.org X-Mailer: log_accum Message-Id: <20200416163843.D0360FB27@cvs.NetBSD.org> Sender: source-changes-owner@NetBSD.org List-Id: source-changes.NetBSD.org Precedence: bulk Reply-To: source-changes-d@NetBSD.org Mail-Reply-To: "Jaromir Dolecek" Mail-Followup-To: source-changes-d@NetBSD.org List-Unsubscribe: Module Name: src Committed By: jdolecek Date: Thu Apr 16 16:38:43 UTC 2020 Modified Files: src/sys/arch/xen/xen: xbd_xenbus.c Log Message: if backend supports it, use indirect segment for I/O requests over 32KB there is some overhead for backend without persistent mappings (backend needs to map the extra indirect segment page), but this makes it possible to queue more I/O if using 64KB block size tested on NetBSD/amd64 DomU against Linux/amd64 Dom0 To generate a diff of this commit: cvs rdiff -u -r1.115 -r1.116 src/sys/arch/xen/xen/xbd_xenbus.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.