svn commit: r343470 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Mariusz Zaborski]

Author: oshogbo
Date: Sat Jan 26 13:53:00 2019
New Revision: 343470
URL: https://svnweb.freebsd.org/changeset/base/343470

Log:
  zfs: allow to change cache flush sysctl
  
  There is no reason for this variable to be tunable.
  This variable is used as a barrier in few places.
  
  Discussed with:	pjd
  MFC after:	2 weeks
  Sponsored by:	Fudo Security

Modified:
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c	Sat Jan 26 13:36:06 2019	(r343469)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c	Sat Jan 26 13:53:00 2019	(r343470)
@@ -103,7 +103,7 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, zil_replay_disable, CTL
  * out-of-order write cache is enabled.
  */
 boolean_t zfs_nocacheflush = B_FALSE;
-SYSCTL_INT(_vfs_zfs, OID_AUTO, cache_flush_disable, CTLFLAG_RDTUN,
+SYSCTL_INT(_vfs_zfs, OID_AUTO, cache_flush_disable, CTLFLAG_RWTUN,
     &zfs_nocacheflush, 0, "Disable cache flush");
 boolean_t zfs_trim_enabled = B_TRUE;
 SYSCTL_DECL(_vfs_zfs_trim);