From owner-freebsd-fs@freebsd.org Tue Feb 19 22:25:34 2019 Return-Path: Delivered-To: freebsd-fs@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 DFC2B14DC0E4 for ; Tue, 19 Feb 2019 22:25:33 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 70DBC7743B for ; Tue, 19 Feb 2019 22:25:33 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 2A97D14DC0E3; Tue, 19 Feb 2019 22:25:33 +0000 (UTC) Delivered-To: fs@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 168E614DC0E2 for ; Tue, 19 Feb 2019 22:25:33 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::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.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A091D77437 for ; Tue, 19 Feb 2019 22:25:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id D39135CC9 for ; Tue, 19 Feb 2019 22:25:31 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x1JMPVap095225 for ; Tue, 19 Feb 2019 22:25:31 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x1JMPVpT095222 for fs@FreeBSD.org; Tue, 19 Feb 2019 22:25:31 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 230260] [FUSE] [PERFORMANCE]: Performance issue (I/O block size) Date: Tue, 19 Feb 2019 22:25:30 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: ken@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Feb 2019 22:25:34 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D230260 Kenneth D. Merry changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ken@FreeBSD.org --- Comment #9 from Kenneth D. Merry --- This breaks LTFS (https://github.com/LinearTapeFileSystem/ltfs) at least. = For example: sm4u-12:/mnt:!:0} dd if=3D/dev/zero of=3Dfoo bs=3D1m count=3D1024 1024+0 records in 1024+0 records out 1073741824 bytes transferred in 5.713798 secs (187920873 bytes/sec) {sm4u-12:/mnt:!:0} ls -la total 1048578 drwxrwxrwx 2 root wheel 0 Feb 19 22:20 . drwxr-xr-x 30 root wheel 35 Jan 30 18:45 .. -rwxrwxrwx 1 root wheel 1073741824 Feb 19 22:20 foo {sm4u-12:/mnt:!:0} dd if=3Dfoo of=3D/dev/null bs=3D1m 0+1 records in 0+1 records out 65536 bytes transferred in 0.000146 secs (449912127 bytes/sec) {sm4u-12:/mnt:!:0} ls -la total 1048578 drwxrwxrwx 2 root wheel 0 Feb 19 22:20 . drwxr-xr-x 30 root wheel 35 Jan 30 18:45 .. -rwxrwxrwx 1 root wheel 1073741824 Feb 19 22:20 foo Reverting the change back to 4K makes reads work normally again. I wonder how many other filesystems were broken by this change? --=20 You are receiving this mail because: You are the assignee for the bug.=