From owner-svn-src-all@freebsd.org Wed Feb 13 00:39:04 2019 Return-Path: Delivered-To: svn-src-all@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 F1EBE14DB6E4; Wed, 13 Feb 2019 00:39:03 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 94BF88CCA3; Wed, 13 Feb 2019 00:39:03 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 8642F1FAC4; Wed, 13 Feb 2019 00:39:03 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1D0d3Zg096640; Wed, 13 Feb 2019 00:39:03 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1D0d34p096639; Wed, 13 Feb 2019 00:39:03 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201902130039.x1D0d34p096639@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Wed, 13 Feb 2019 00:39:03 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r344075 - stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: stable-12 X-SVN-Commit-Author: mav X-SVN-Commit-Paths: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Commit-Revision: 344075 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 94BF88CCA3 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.995,0]; NEURAL_HAM_SHORT(-0.97)[-0.975,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2019 00:39:04 -0000 Author: mav Date: Wed Feb 13 00:39:03 2019 New Revision: 344075 URL: https://svnweb.freebsd.org/changeset/base/344075 Log: MFC r343586: Remove BIO_ORDERED flag from BIO_FLUSH sent by ZFS. In all cases where ZFS sends BIO_FLUSH, it first waits for all related writes to complete, so its BIO_FLUSH does not care about strict ordering. Removal of one makes life much easier at least for NVMe driver, which hardware has no concept of request ordering, relying completely on software. Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c ============================================================================== --- stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Wed Feb 13 00:38:28 2019 (r344074) +++ stable/12/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Wed Feb 13 00:39:03 2019 (r344075) @@ -1097,7 +1097,6 @@ sendreq: break; case ZIO_TYPE_IOCTL: bp->bio_cmd = BIO_FLUSH; - bp->bio_flags |= BIO_ORDERED; bp->bio_data = NULL; bp->bio_offset = cp->provider->mediasize; bp->bio_length = 0;