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Brian Behlendorf
2cd0f98f4a
We want `zpool import` to be highly robust and never panic, even when encountering corrupt metadata. This is already handled in the arc_read() code path, which covers most cases, but spa_load_verify_cb() relies on zio_read() and is responsible for verifying the block pointer. During import it is also possible to encounter blocks pointers which contain ZIO_COMPRESS_INHERIT and ZIO_CHECKSUM_INHERIT values. Relax the verification function slightly to allow this. Futhermore, extend dsl_scan_recurse() to verify the block pointer contents of level zero blocks which are not of type DMU_OT_DNODE or DMU_OT_OBJSET. This is handled by arc_read() in the other cases. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #13124 Closes #13360