Finally... Import the latest open-source ZFS version - (SPA) 28.

Few new things available from now on:

- Data deduplication.
- Triple parity RAIDZ (RAIDZ3).
- zfs diff.
- zpool split.
- Snapshot holds.
- zpool import -F. Allows to rewind corrupted pool to earlier
  transaction group.
- Possibility to import pool in read-only mode.

MFC after:	1 month

1 files changed, 22 insertions, 13 deletions

diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
index fff7e08..698c027 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_mirror.c
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -60,6 +60,11 @@ vdev_mirror_map_free(zio_t *zio)
 	kmem_free(mm, offsetof(mirror_map_t, mm_child[mm->mm_children]));
 }
 
+static const zio_vsd_ops_t vdev_mirror_vsd_ops = {
+	vdev_mirror_map_free,
+	zio_vsd_default_cksum_report
+};
+
 static mirror_map_t *
 vdev_mirror_map_alloc(zio_t *zio)
 {
@@ -117,28 +122,28 @@ vdev_mirror_map_alloc(zio_t *zio)
 	}
 
 	zio->io_vsd = mm;
-	zio->io_vsd_free = vdev_mirror_map_free;
+	zio->io_vsd_ops = &vdev_mirror_vsd_ops;
 	return (mm);
 }
 
 static int
 vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
 {
-	vdev_t *cvd;
-	uint64_t c;
 	int numerrors = 0;
-	int ret, lasterror = 0;
+	int lasterror = 0;
 
 	if (vd->vdev_children == 0) {
 		vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
 		return (EINVAL);
 	}
 
-	for (c = 0; c < vd->vdev_children; c++) {
-		cvd = vd->vdev_child[c];
+	vdev_open_children(vd);
 
-		if ((ret = vdev_open(cvd)) != 0) {
-			lasterror = ret;
+	for (int c = 0; c < vd->vdev_children; c++) {
+		vdev_t *cvd = vd->vdev_child[c];
+
+		if (cvd->vdev_open_error) {
+			lasterror = cvd->vdev_open_error;
 			numerrors++;
 			continue;
 		}
@@ -158,9 +163,7 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
 static void
 vdev_mirror_close(vdev_t *vd)
 {
-	uint64_t c;
-
-	for (c = 0; c < vd->vdev_children; c++)
+	for (int c = 0; c < vd->vdev_children; c++)
 		vdev_close(vd->vdev_child[c]);
 }
 
@@ -211,7 +214,7 @@ vdev_mirror_child_select(zio_t *zio)
 	uint64_t txg = zio->io_txg;
 	int i, c;
 
-	ASSERT(zio->io_bp == NULL || zio->io_bp->blk_birth == txg);
+	ASSERT(zio->io_bp == NULL || BP_PHYSICAL_BIRTH(zio->io_bp) == txg);
 
 	/*
 	 * Try to find a child whose DTL doesn't contain the block to read.
@@ -449,6 +452,8 @@ vdev_ops_t vdev_mirror_ops = {
 	vdev_mirror_io_start,
 	vdev_mirror_io_done,
 	vdev_mirror_state_change,
+	NULL,
+	NULL,
 	VDEV_TYPE_MIRROR,	/* name of this vdev type */
 	B_FALSE			/* not a leaf vdev */
 };
@@ -460,6 +465,8 @@ vdev_ops_t vdev_replacing_ops = {
 	vdev_mirror_io_start,
 	vdev_mirror_io_done,
 	vdev_mirror_state_change,
+	NULL,
+	NULL,
 	VDEV_TYPE_REPLACING,	/* name of this vdev type */
 	B_FALSE			/* not a leaf vdev */
 };
@@ -471,6 +478,8 @@ vdev_ops_t vdev_spare_ops = {
 	vdev_mirror_io_start,
 	vdev_mirror_io_done,
 	vdev_mirror_state_change,
+	NULL,
+	NULL,
 	VDEV_TYPE_SPARE,	/* name of this vdev type */
 	B_FALSE			/* not a leaf vdev */
 };