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MFV r271510:

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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
This commit is contained in:
Xin LI 2014-09-13 16:26:14 +00:00
commit 263f396e2b
2 changed files with 2 additions and 2 deletions
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2
sys/cddl/boot/zfs/zfsimpl.h
View File

@ -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 */

2
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dnode.h
View File

@ -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 */