svn commit: r259052 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Xin LI]

Author: delphij
Date: Fri Dec  6 23:49:16 2013
New Revision: 259052
URL: http://svnweb.freebsd.org/changeset/base/259052

Log:
  Expose spa_asize_inflation.
  
  X-MFC-With:	r258632

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

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c	Fri Dec  6 23:40:50 2013	(r259051)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/spa_misc.c	Fri Dec  6 23:49:16 2013	(r259052)
@@ -302,6 +302,9 @@ SYSCTL_INT(_vfs_zfs, OID_AUTO, deadman_e
  *     (VDEV_RAIDZ_MAXPARITY + 1) * SPA_DVAS_PER_BP * 2 == 24
  */
 int spa_asize_inflation = 24;
+TUNABLE_INT("vfs.zfs.spa_asize_inflation", &spa_asize_inflation);
+SYSCTL_INT(_vfs_zfs, OID_AUTO, spa_asize_inflation, CTLFLAG_RWTUN,
+    &spa_asize_inflation, 0, "Worst case inflation factor for single sector writes");
 
 #ifndef illumos
 #ifdef _KERNEL