Date: Mon, 12 Oct 2015 15:48:45 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r289192 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201510121548.t9CFmjqt044528@repo.freebsd.org>
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Author: mav Date: Mon Oct 12 15:48:45 2015 New Revision: 289192 URL: https://svnweb.freebsd.org/changeset/base/289192 Log: MFV r289188: 6281 prefetching should apply to 1MB reads Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Alexander Motin <mav@freebsd.org> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Justin Gibbs <gibbs@scsiguy.com> Reviewed by: Xin Li <delphij@freebsd.org> Approved by: Gordon Ross <gordon.ross@nexenta.com> Author: George Wilson <george.wilson@delphix.com> illumos/illumos-gate@632802744ef6d17e06d6980a95f631615c3b060f Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Directory Properties: head/sys/cddl/contrib/opensolaris/ (props changed) Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Mon Oct 12 15:44:44 2015 (r289191) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Mon Oct 12 15:48:45 2015 (r289192) @@ -24,7 +24,7 @@ */ /* - * Copyright (c) 2013, 2014 by Delphix. All rights reserved. + * Copyright (c) 2013, 2015 by Delphix. All rights reserved. */ #include <sys/zfs_context.h> @@ -49,7 +49,7 @@ uint32_t zfetch_max_streams = 8; uint32_t zfetch_min_sec_reap = 2; /* max bytes to prefetch per stream (default 8MB) */ uint32_t zfetch_max_distance = 8 * 1024 * 1024; -/* number of bytes in a array_read at which we stop prefetching (1MB) */ +/* max number of bytes in an array_read in which we allow prefetching (1MB) */ uint64_t zfetch_array_rd_sz = 1024 * 1024; SYSCTL_DECL(_vfs_zfs);
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