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ztest: ENOSPC in ztest_objset_destroy_cb()
While unlikely it is possible for dsl_destroy_head() to return ENOSPC in the ztest_objset_destroy_cb(). This can occur even when ZFS_SPACE_CHECK_DESTROY is used with the dsl_sync_task(). Both the existence of a checkpoint and pending deferred frees can cause this. Reviewed-by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com> Reviewed-by: Tom Caputi <tcaputi@datto.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #8206
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@ -3980,9 +3980,13 @@ ztest_objset_destroy_cb(const char *name, void *arg)
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VERIFY0(dsl_destroy_snapshot(name, B_TRUE));
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VERIFY0(dsl_destroy_snapshot(name, B_TRUE));
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} else {
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} else {
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error = dsl_destroy_head(name);
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error = dsl_destroy_head(name);
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/* There could be a hold on this dataset */
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if (error == ENOSPC) {
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if (error != EBUSY)
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/* There could be checkpoint or insufficient slop */
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ztest_record_enospc(FTAG);
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} else if (error != EBUSY) {
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/* There could be a hold on this dataset */
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ASSERT0(error);
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ASSERT0(error);
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}
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}
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}
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return (0);
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return (0);
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}
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}
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