svn commit: r307397 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Alexander Motin]

Author: mav
Date: Sun Oct 16 18:49:15 2016
New Revision: 307397
URL: https://svnweb.freebsd.org/changeset/base/307397

Log:
  Add vfs.zfs.zil_log_limit sysctl.
  
  It is at least partially broken now, but that is another question.

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	Sun Oct 16 18:27:41 2016	(r307396)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zil.c	Sun Oct 16 18:49:15 2016	(r307397)
@@ -924,6 +924,8 @@ uint64_t zil_block_buckets[] = {
  * Limit checking is disabled by setting zil_slog_limit to UINT64_MAX.
  */
 uint64_t zil_slog_limit = 1024 * 1024;
+SYSCTL_QUAD(_vfs_zfs, OID_AUTO, zil_slog_limit, CTLFLAG_RWTUN,
+    &zil_slog_limit, 0, "Maximal commit size to use SLOG");
 #define	USE_SLOG(zilog) (((zilog)->zl_logbias == ZFS_LOGBIAS_LATENCY) && \
 	(((zilog)->zl_cur_used < zil_slog_limit) || \
 	((zilog)->zl_itx_list_sz < (zil_slog_limit << 1))))