Fedor Uporov e39fe05b69
Skip spacemaps reading in case of pool readonly import
The only zdb utility require to read metaslab-related data during
read-only pool import because of spacemaps validation. Add global
variable which will allow zdb read spacemaps in case of readonly
import mode.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Fedor Uporov <fuporov.vstack@gmail.com>
Closes #9095
Closes #12687
2021-11-09 12:50:39 -08:00
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2021-11-09 11:26:35 -08:00