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This allows platforms that are CPU/memory contrained to verify data blocks only the first time they are read from the data device, rather than every time. As such, it provides a reduced level of security because only offline tampering of the data device's content will be detected, not online tampering. Hash blocks are still verified each time they are read from the hash device, since verification of hash blocks is less performance critical than data blocks, and a hash block will not be verified any more after all the data blocks it covers have been verified anyway. This option introduces a bitset that is used to check if a block has been validated before or not. A block can be validated more than once as there is no thread protection for the bitset. These changes were developed and tested on entry-level Android Go devices. Signed-off-by: Patrik Torstensson <totte@google.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> |
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| .. | ||
| cache-policies.txt | ||
| cache.txt | ||
| delay.txt | ||
| dm-crypt.txt | ||
| dm-flakey.txt | ||
| dm-integrity.txt | ||
| dm-io.txt | ||
| dm-log.txt | ||
| dm-queue-length.txt | ||
| dm-raid.txt | ||
| dm-service-time.txt | ||
| dm-uevent.txt | ||
| dm-zoned.txt | ||
| era.txt | ||
| kcopyd.txt | ||
| linear.txt | ||
| log-writes.txt | ||
| persistent-data.txt | ||
| snapshot.txt | ||
| statistics.txt | ||
| striped.txt | ||
| switch.txt | ||
| thin-provisioning.txt | ||
| unstriped.txt | ||
| verity.txt | ||
| zero.txt | ||