Author: avg
Date: Fri Jun 12 11:49:05 2015
New Revision: 284313
URL: https://svnweb.freebsd.org/changeset/base/284313
Log:
MFC r283525: zfs: fixes for a full stream received into an existing dataset
Modified:
stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c Fri Jun
12 11:41:47 2015 (r284312)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_send.c Fri Jun
12 11:49:05 2015 (r284313)
@@ -983,10 +983,12 @@ recv_begin_check_existing_impl(dmu_recv_
dsl_dataset_rele(snap, FTAG);
} else {
- /* if full, most recent snapshot must be $ORIGIN */
- if (dsl_dataset_phys(ds)->ds_prev_snap_txg >= TXG_INITIAL)
- return (SET_ERROR(ENODEV));
- drba->drba_snapobj = dsl_dataset_phys(ds)->ds_prev_snap_obj;
+ /* if full, then must be forced */
+ if (!drba->drba_cookie->drc_force)
+ return (SET_ERROR(EEXIST));
+ /* start from $ORIGIN@$ORIGIN, if supported */
+ drba->drba_snapobj = dp->dp_origin_snap != NULL ?
+ dp->dp_origin_snap->ds_object : 0;
}
return (0);
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