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Date: Sun, 30 Aug 2009 22:17:59 +0000 (UTC)
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Cc: 
Subject: svn commit: r196667 - in user/kmacy/head_zfs_merge/sys:
	cddl/contrib/opensolaris/uts/common/fs/zfs modules/zfs
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Author: kmacy
Date: Sun Aug 30 22:17:59 2009
New Revision: 196667
URL: http://svn.freebsd.org/changeset/base/196667

Log:
  enable the use of UMA by ZFS

Modified:
  user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
  user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
  user/kmacy/head_zfs_merge/sys/modules/zfs/Makefile

Modified: user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
==============================================================================
--- user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c	Sun Aug 30 21:15:44 2009	(r196666)
+++ user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c	Sun Aug 30 22:17:59 2009	(r196667)
@@ -186,6 +186,11 @@ SYSCTL_QUAD(_vfs_zfs, OID_AUTO, arc_min,
 SYSCTL_INT(_vfs_zfs, OID_AUTO, mdcomp_disable, CTLFLAG_RDTUN,
     &zfs_mdcomp_disable, 0, "Disable metadata compression");
 
+#ifdef ZIO_USE_UMA
+extern kmem_cache_t	*zio_buf_cache[];
+extern kmem_cache_t	*zio_data_buf_cache[];
+#endif
+
 /*
  * Note that buffers can be in one of 6 states:
  *	ARC_anon	- anonymous (discussed below)
@@ -1893,8 +1898,6 @@ arc_kmem_reap_now(arc_reclaim_strategy_t
 	size_t			i;
 	kmem_cache_t		*prev_cache = NULL;
 	kmem_cache_t		*prev_data_cache = NULL;
-	extern kmem_cache_t	*zio_buf_cache[];
-	extern kmem_cache_t	*zio_data_buf_cache[];
 #endif
 
 #ifdef _KERNEL

Modified: user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c
==============================================================================
--- user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c	Sun Aug 30 21:15:44 2009	(r196666)
+++ user/kmacy/head_zfs_merge/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c	Sun Aug 30 22:17:59 2009	(r196667)
@@ -91,13 +91,6 @@ zio_init(void)
 #ifdef ZIO_USE_UMA
 	size_t c;
 #endif
-#if 0
-	vmem_t *data_alloc_arena = NULL;
-
-#ifdef _KERNEL
-	data_alloc_arena = zio_alloc_arena;
-#endif
-#endif
 	zio_cache = kmem_cache_create("zio_cache", sizeof (zio_t), 0,
 	    NULL, NULL, NULL, NULL, NULL, 0);
 
@@ -132,7 +125,7 @@ zio_init(void)
 
 			(void) sprintf(name, "zio_data_buf_%lu", (ulong_t)size);
 			zio_data_buf_cache[c] = kmem_cache_create(name, size,
-			    align, NULL, NULL, NULL, NULL, data_alloc_arena,
+			    align, NULL, NULL, NULL, NULL, NULL,
 			    KMC_NODEBUG);
 		}
 	}
@@ -422,7 +415,6 @@ zio_create(zio_t *pio, spa_t *spa, uint6
 	ASSERT3U(size, <=, SPA_MAXBLOCKSIZE);
 	ASSERT(P2PHASE(size, SPA_MINBLOCKSIZE) == 0);
 	ASSERT(P2PHASE(offset, SPA_MINBLOCKSIZE) == 0);
-
 	ASSERT(!vd || spa_config_held(spa, SCL_STATE_ALL, RW_READER));
 	ASSERT(!bp || !(flags & ZIO_FLAG_CONFIG_WRITER));
 	ASSERT(vd || stage == ZIO_STAGE_OPEN);

Modified: user/kmacy/head_zfs_merge/sys/modules/zfs/Makefile
==============================================================================
--- user/kmacy/head_zfs_merge/sys/modules/zfs/Makefile	Sun Aug 30 21:15:44 2009	(r196666)
+++ user/kmacy/head_zfs_merge/sys/modules/zfs/Makefile	Sun Aug 30 22:17:59 2009	(r196667)
@@ -63,8 +63,8 @@ ZFS_SRCS=	${ZFS_OBJS:C/.o$/.c/}
 SRCS+=	${ZFS_SRCS}
 SRCS+=	vdev_geom.c
 
-# Use UMA for ZIO allocation. This is not stable.
-#CFLAGS+=-DZIO_USE_UMA
+# Use UMA for ZIO allocation. 
+CFLAGS+=-DZIO_USE_UMA
 
 # Use FreeBSD's namecache.
 CFLAGS+=-DFREEBSD_NAMECACHE