Author: mav
Date: Sat Jul 26 09:09:14 2014
New Revision: 269117
URL: http://svnweb.freebsd.org/changeset/base/269117
Log:
Make sysctls under vfs.zfs.zfetch writeable.
I don't see any reason for them to be read-only, while tuning them without
reboot is much more convenient for experiments.
MFC after: 2 weeks
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c
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 Sat Jul
26 08:41:03 2014 (r269116)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_zfetch.c Sat Jul
26 09:09:14 2014 (r269117)
@@ -57,11 +57,11 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, prefetch_
SYSCTL_NODE(_vfs_zfs, OID_AUTO, zfetch, CTLFLAG_RW, 0, "ZFS ZFETCH");
SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, max_streams, CTLFLAG_RWTUN,
&zfetch_max_streams, 0, "Max # of streams per zfetch");
-SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, min_sec_reap, CTLFLAG_RDTUN,
+SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, min_sec_reap, CTLFLAG_RWTUN,
&zfetch_min_sec_reap, 0, "Min time before stream reclaim");
-SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, block_cap, CTLFLAG_RDTUN,
+SYSCTL_UINT(_vfs_zfs_zfetch, OID_AUTO, block_cap, CTLFLAG_RWTUN,
&zfetch_block_cap, 0, "Max number of blocks to fetch at a time");
-SYSCTL_UQUAD(_vfs_zfs_zfetch, OID_AUTO, array_rd_sz, CTLFLAG_RDTUN,
+SYSCTL_UQUAD(_vfs_zfs_zfetch, OID_AUTO, array_rd_sz, CTLFLAG_RWTUN,
&zfetch_array_rd_sz, 0,
"Number of bytes in a array_read at which we stop prefetching");
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