From owner-svn-src-projects@freebsd.org Wed Mar 27 01:49:36 2019 Return-Path: Delivered-To: svn-src-projects@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 D15651566290 for ; Wed, 27 Mar 2019 01:49:36 +0000 (UTC) (envelope-from asomers@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 77B5F8F7C4; Wed, 27 Mar 2019 01:49:36 +0000 (UTC) (envelope-from asomers@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 5334D3EC; Wed, 27 Mar 2019 01:49:36 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x2R1naKX015429; Wed, 27 Mar 2019 01:49:36 GMT (envelope-from asomers@FreeBSD.org) Received: (from asomers@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x2R1naYS015428; Wed, 27 Mar 2019 01:49:36 GMT (envelope-from asomers@FreeBSD.org) Message-Id: <201903270149.x2R1naYS015428@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: asomers set sender to asomers@FreeBSD.org using -f From: Alan Somers Date: Wed, 27 Mar 2019 01:49:36 +0000 (UTC) To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r345564 - projects/fuse2/sys/fs/fuse X-SVN-Group: projects X-SVN-Commit-Author: asomers X-SVN-Commit-Paths: projects/fuse2/sys/fs/fuse X-SVN-Commit-Revision: 345564 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 77B5F8F7C4 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(-0.99)[-0.994,0]; NEURAL_HAM_SHORT(-0.97)[-0.975,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Mar 2019 01:49:37 -0000 Author: asomers Date: Wed Mar 27 01:49:35 2019 New Revision: 345564 URL: https://svnweb.freebsd.org/changeset/base/345564 Log: fusefs: set fuse_init_in->max_readahead correctly The old value was correct only by coincidence. Sponsored by: The FreeBSD Foundation Modified: projects/fuse2/sys/fs/fuse/fuse_internal.c Modified: projects/fuse2/sys/fs/fuse/fuse_internal.c ============================================================================== --- projects/fuse2/sys/fs/fuse/fuse_internal.c Wed Mar 27 00:24:57 2019 (r345563) +++ projects/fuse2/sys/fs/fuse/fuse_internal.c Wed Mar 27 01:49:35 2019 (r345564) @@ -689,8 +689,12 @@ fuse_internal_send_init(struct fuse_data *data, struct fiii = fdi.indata; fiii->major = FUSE_KERNEL_VERSION; fiii->minor = FUSE_KERNEL_MINOR_VERSION; - //XXX should probably be maxbcachebuf * 16 - fiii->max_readahead = 4096 * 16; + /* + * fusefs currently doesn't do any readahead other than fetching whole + * buffer cache block sized regions at once. So the max readahead is + * the size of a buffer cache block. + */ + fiii->max_readahead = maxbcachebuf; fiii->flags = 0; fuse_insert_callback(fdi.tick, fuse_internal_init_callback);