From owner-svn-src-head@freebsd.org Thu Aug 16 07:10:11 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EB5B8107FCD7; Thu, 16 Aug 2018 07:10:10 +0000 (UTC) (envelope-from tsoome@me.com) Received: from st13p35im-asmtp001.me.com (st13p35im-asmtp001.me.com [17.164.199.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 96D6C71622; Thu, 16 Aug 2018 07:10:10 +0000 (UTC) (envelope-from tsoome@me.com) Received: from process-dkim-sign-daemon.st13p35im-asmtp001.me.com by st13p35im-asmtp001.me.com (Oracle Communications Messaging Server 8.0.2.2.20180531 64bit (built May 31 2018)) id <0PDJ00100L89Q900@st13p35im-asmtp001.me.com>; Thu, 16 Aug 2018 07:10:09 +0000 (GMT) Received: from icloud.com ([127.0.0.1]) by st13p35im-asmtp001.me.com (Oracle Communications Messaging Server 8.0.2.2.20180531 64bit (built May 31 2018)) with ESMTPSA id <0PDJ00OSSL8UXU10@st13p35im-asmtp001.me.com>; Thu, 16 Aug 2018 07:10:09 +0000 (GMT) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 clxscore=1011 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1808160077 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-16_03:,, signatures=0 Content-type: text/plain; charset=us-ascii MIME-version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) Subject: Re: svn commit: r337878 - head/stand/i386/libi386 From: Toomas Soome In-reply-to: <05b36083-9f4d-658e-ab39-e8c317d01db7@FreeBSD.org> Date: Thu, 16 Aug 2018 10:10:05 +0300 Cc: Warner Losh , Ian Lepore , Toomas Soome , src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-transfer-encoding: quoted-printable Message-id: <18E7897D-9985-44CE-B648-2A839417B1BC@me.com> References: <201808152225.w7FMP5J2018006@repo.freebsd.org> <1534372134.1466.21.camel@freebsd.org> <05b36083-9f4d-658e-ab39-e8c317d01db7@FreeBSD.org> To: John Baldwin X-Mailer: Apple Mail (2.3445.9.1) X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Aug 2018 07:10:11 -0000 > On 16 Aug 2018, at 09:59, John Baldwin wrote: >=20 > On 8/15/18 11:59 PM, Warner Losh wrote: >>=20 >>=20 >> On Wed, Aug 15, 2018 at 4:28 PM, Ian Lepore > wrote: >>=20 >> On Wed, 2018-08-15 at 22:25 +0000, Toomas Soome wrote: >>> Author: tsoome >>> Date: Wed Aug 15 22:25:05 2018 >>> New Revision: 337878 >>> URL: https://svnweb.freebsd.org/changeset/base/337878 = >>>=20 >>> Log: >>> libi386: remove bd_read() and bd_write() wrappers >>> =20 >>> Those wroappers are nice, but do not really add much value. >>>=20 >>> Modified: >>> head/stand/i386/libi386/biosdisk.c >>>=20 >>> Modified: head/stand/i386/libi386/biosdisk.c >>> = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >>> =3D=3D=3D=3D=3D=3D=3D=3D=3D >>> --- head/stand/i386/libi386/biosdisk.c Wed Aug 15 21:47:03 >>> 2018 (r337877) >>> +++ head/stand/i386/libi386/biosdisk.c Wed Aug 15 22:25:05 >>> 2018 (r337878) >>> @@ -94,10 +94,7 @@ static int nbdinfo =3D 0; >>> =20 >>> static void bd_io_workaround(struct disk_devdesc *dev); >>> =20 >>> -static int bd_read(struct disk_devdesc *dev, daddr_t dblk, int = blks, >>> - caddr_t dest); >>> -static int bd_write(struct disk_devdesc *dev, daddr_t dblk, int >>> blks, >>> - caddr_t dest); >>> +static int bd_io(struct disk_devdesc *, daddr_t, int, caddr_t, = int); >>> static int bd_int13probe(struct bdinfo *bd); >>> =20 >>> static int bd_init(void); >>> @@ -506,7 +503,7 @@ bd_realstrategy(void *devdata, int rw, daddr_t >>> dblk, s >>> case F_READ: >>> DEBUG("read %d from %lld to %p", blks, dblk, buf); >>> =20 >>> - if (blks && (rc =3D bd_read(dev, dblk, blks, buf))) { >>> + if (blks && (rc =3D bd_io(dev, dblk, blks, buf, 0))) { >>> /* Filter out floppy controller errors */ >>> if (BD(dev).bd_flags !=3D BD_FLOPPY || rc !=3D >>> 0x20) { >>> printf("read %d from %lld to %p, >>> error: 0x%x\n", >>> @@ -518,7 +515,7 @@ bd_realstrategy(void *devdata, int rw, daddr_t >>> dblk, s >>> case F_WRITE : >>> DEBUG("write %d from %lld to %p", blks, dblk, buf); >>> =20 >>> - if (blks && bd_write(dev, dblk, blks, buf)) { >>> + if (blks && bd_io(dev, dblk, blks, buf, 1)) { >>> DEBUG("write error"); >>> return (EIO); >>> } >>> @@ -713,20 +710,6 @@ bd_io(struct disk_devdesc *dev, daddr_t dblk, >>> int blks >>> } >>> =20 >>> return (0); >>> -} >>> - >>> -static int >>> -bd_read(struct disk_devdesc *dev, daddr_t dblk, int blks, caddr_t >>> dest) >>> -{ >>> - >>> - return (bd_io(dev, dblk, blks, dest, 0)); >>> -} >>> - >>> -static int >>> -bd_write(struct disk_devdesc *dev, daddr_t dblk, int blks, caddr_t >>> dest) >>> -{ >>> - >>> - return (bd_io(dev, dblk, blks, dest, 1)); >>> } >>> =20 >>> /* >>>=20 >>=20 >> This would be a more satisfying change if there were something = like >>=20 >> #define BD_RD 0 >> #define BD_WR 1 >>=20 >> so that it was clear at a glance what a bd_io() call is doing. >>=20 >>=20 >> I think that's a good idea... >=20 > Arguably the bd_read/write wrappers were even clearer (and there = purpose > was readability in that case). Yes thats true, but also will leave us in mercy of inlining etc.. = anyhow, *my* purpose is to get the line of changes done (to be able to = perform IO with >512 sector size, merge with bioscd.c and split up = floppy, cd and hdd cases, so the user can distinguish the devices.=20 rgds, toomas