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Illumos 5946, 5945

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5946 zfs_ioc_space_snaps must check that firstsnap and lastsnap refer to snapshots
5945 zfs_ioc_send_space must ensure that fromsnap refers to a snapshot
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Gordon Ross <gordon.ross@nexenta.com>

References:
  https://www.illumos.org/issues/5946
  https://www.illumos.org/issues/5945
  https://github.com/illumos/illumos-gate/commit/24218be

Ported-by: Andriy Gapon <avg@FreeBSD.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3552
This commit is contained in:
Andriy Gapon
2015-07-02 16:04:35 +03:00
committed by Brian Behlendorf
parent b6640117f0
commit 71e2fe41be
2 changed files with 12 additions and 0 deletions
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module/zfs/dmu_send.c
+4
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@@ -882,6 +882,10 @@ dmu_send_estimate(dsl_dataset_t *ds, dsl_dataset_t *fromds, uint64_t *sizep)
if (!ds->ds_is_snapshot)
return (SET_ERROR(EINVAL));
/* fromsnap, if provided, must be a snapshot */
if (fromds != NULL && !fromds->ds_is_snapshot)
return (SET_ERROR(EINVAL));
/*
* fromsnap must be an earlier snapshot from the same fs as tosnap,
* or the origin's fs.