svn commit: r271526 - in head/sys/cddl: boot/zfs contrib/opensolaris/uts/common/fs/zfs/sys
Xin LI
delphij at FreeBSD.org
Sat Sep 13 16:26:15 UTC 2014
Author: delphij
Date: Sat Sep 13 16:26:14 2014
New Revision: 271526
URL: http://svnweb.freebsd.org/changeset/base/271526
Log:
MFV r271510:
Enforce 4K as smallest indirect block size (previously the smallest
indirect block size was 1K but that was never used).
This makes some space estimates more accurate and uses less memory
for some data structures.
Illumos issue:
5141 zfs minimum indirect block size is 4K
MFC after: 2 weeks
Modified:
head/sys/cddl/boot/zfs/zfsimpl.h
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h
Directory Properties:
head/sys/cddl/contrib/opensolaris/ (props changed)
Modified: head/sys/cddl/boot/zfs/zfsimpl.h
==============================================================================
--- head/sys/cddl/boot/zfs/zfsimpl.h Sat Sep 13 16:07:43 2014 (r271525)
+++ head/sys/cddl/boot/zfs/zfsimpl.h Sat Sep 13 16:26:14 2014 (r271526)
@@ -840,7 +840,7 @@ struct uberblock {
* Fixed constants.
*/
#define DNODE_SHIFT 9 /* 512 bytes */
-#define DN_MIN_INDBLKSHIFT 10 /* 1k */
+#define DN_MIN_INDBLKSHIFT 12 /* 4k */
#define DN_MAX_INDBLKSHIFT 14 /* 16k */
#define DNODE_BLOCK_SHIFT 14 /* 16k */
#define DNODE_CORE_SIZE 64 /* 64 bytes for dnode sans blkptrs */
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h Sat Sep 13 16:07:43 2014 (r271525)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h Sat Sep 13 16:26:14 2014 (r271526)
@@ -56,7 +56,7 @@ extern "C" {
* Fixed constants.
*/
#define DNODE_SHIFT 9 /* 512 bytes */
-#define DN_MIN_INDBLKSHIFT 10 /* 1k */
+#define DN_MIN_INDBLKSHIFT 12 /* 4k */
#define DN_MAX_INDBLKSHIFT 14 /* 16k */
#define DNODE_BLOCK_SHIFT 14 /* 16k */
#define DNODE_CORE_SIZE 64 /* 64 bytes for dnode sans blkptrs */
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