diff options
| author | mav <mav@FreeBSD.org> | 2015-11-13 09:16:56 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2015-11-13 09:16:56 +0000 |
| commit | d0ddc5d9b2c6bdf2671ce69bfdf788d45d7cb234 (patch) | |
| tree | 31ec8c7eae472053edb235ad0ca44f90a43ccb3b /sys/cddl/contrib | |
| parent | d1c71bc6a3a7f046559228cb17f14f7a94b55bc7 (diff) | |
| download | FreeBSD-src-d0ddc5d9b2c6bdf2671ce69bfdf788d45d7cb234.zip FreeBSD-src-d0ddc5d9b2c6bdf2671ce69bfdf788d45d7cb234.tar.gz | |
MFC r289192: 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
Diffstat (limited to 'sys/cddl/contrib')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c index 0d65896..2242b4a 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c @@ -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); |
