From owner-svn-src-all@freebsd.org Thu Feb 21 02:41:58 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 9E3F014EAA71; Thu, 21 Feb 2019 02:41:58 +0000 (UTC) (envelope-from cem@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 4019785AC6; Thu, 21 Feb 2019 02:41:58 +0000 (UTC) (envelope-from cem@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 32C92F1A3; Thu, 21 Feb 2019 02:41:58 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x1L2fwir084130; Thu, 21 Feb 2019 02:41:58 GMT (envelope-from cem@FreeBSD.org) Received: (from cem@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1L2fwrk084129; Thu, 21 Feb 2019 02:41:58 GMT (envelope-from cem@FreeBSD.org) Message-Id: <201902210241.x1L2fwrk084129@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: cem set sender to cem@FreeBSD.org using -f From: Conrad Meyer Date: Thu, 21 Feb 2019 02:41:58 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r344407 - head/sys/fs/fuse X-SVN-Group: head X-SVN-Commit-Author: cem X-SVN-Commit-Paths: head/sys/fs/fuse X-SVN-Commit-Revision: 344407 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4019785AC6 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.952,0]; 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: Thu, 21 Feb 2019 02:41:58 -0000 Author: cem Date: Thu Feb 21 02:41:57 2019 New Revision: 344407 URL: https://svnweb.freebsd.org/changeset/base/344407 Log: fuse: Fix a regression introduced in r337165 On systems with non-default DFLTPHYS and/or MAXBSIZE, FUSE would attempt to use a buf cache block size in excess of permitted size. This did not affect most configurations, since DFLTPHYS and MAXBSIZE both default to 64kB. The issue was discovered and reported using a custom kernel with a DFLTPHYS of 512kB. PR: 230260 (comment #9) Reported by: ken@ MFC after: π/𝑒 weeks Modified: head/sys/fs/fuse/fuse_vfsops.c Modified: head/sys/fs/fuse/fuse_vfsops.c ============================================================================== --- head/sys/fs/fuse/fuse_vfsops.c Thu Feb 21 02:37:01 2019 (r344406) +++ head/sys/fs/fuse/fuse_vfsops.c Thu Feb 21 02:41:57 2019 (r344407) @@ -338,7 +338,7 @@ fuse_vfsop_mount(struct mount *mp) mp->mnt_kern_flag |= MNTK_USES_BCACHE; MNT_IUNLOCK(mp); /* We need this here as this slot is used by getnewvnode() */ - mp->mnt_stat.f_iosize = DFLTPHYS; + mp->mnt_stat.f_iosize = MIN(DFLTPHYS, MAXBSIZE); if (subtype) { strlcat(mp->mnt_stat.f_fstypename, ".", MFSNAMELEN); strlcat(mp->mnt_stat.f_fstypename, subtype, MFSNAMELEN);