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Diffstat (limited to 'usr.sbin/makefs/zfs.c')
-rw-r--r--usr.sbin/makefs/zfs.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/usr.sbin/makefs/zfs.c b/usr.sbin/makefs/zfs.c
index 66e7f8dafc9c..e33a182e5c8f 100644
--- a/usr.sbin/makefs/zfs.c
+++ b/usr.sbin/makefs/zfs.c
@@ -38,6 +38,7 @@
#include <stdalign.h>
#include <stdbool.h>
#include <stddef.h>
+#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
@@ -85,6 +86,8 @@ zfs_prep_opts(fsinfo_t *fsopts)
0, 0, "Bootable dataset" },
{ '\0', "mssize", &zfs->mssize, OPT_INT64,
MINMSSIZE, MAXMSSIZE, "Metaslab size" },
+ { '\0', "poolguid", &zfs->poolguid, OPT_INT64,
+ 0, INT64_MAX, "ZFS pool GUID" },
{ '\0', "poolname", &zfs->poolname, OPT_STRPTR,
0, 0, "ZFS pool name" },
{ '\0', "rootpath", &zfs->rootpath, OPT_STRPTR,
@@ -547,7 +550,8 @@ pool_init(zfs_opt_t *zfs)
{
uint64_t dnid;
- zfs->poolguid = randomguid();
+ if (zfs->poolguid == 0)
+ zfs->poolguid = randomguid();
zfs->vdevguid = randomguid();
zfs->mos = objset_alloc(zfs, DMU_OST_META);
@@ -592,7 +596,7 @@ pool_labels_write(zfs_opt_t *zfs)
* checksum is calculated in vdev_label_write().
*/
for (size_t uoff = 0; uoff < sizeof(label->vl_uberblock);
- uoff += (1 << zfs->ashift)) {
+ uoff += ASHIFT_UBERBLOCK_SIZE(zfs->ashift)) {
ub = (uberblock_t *)(&label->vl_uberblock[0] + uoff);
ub->ub_magic = UBERBLOCK_MAGIC;
ub->ub_version = SPA_VERSION;