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dm verity: Add documentation for try_verify_in_tasklet option

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Add documentation that was missing from commit 5721d4e5a9 ("dm
verity: Add optional "try_verify_in_tasklet" feature").

Signed-off-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Milan Broz
2022-09-27 20:42:26 +02:00
committed by Mike Snitzer
parent 48d1a964dc
commit dc3efedf9f
1 changed files with 4 additions and 0 deletions
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Documentation/admin-guide/device-mapper/verity.rst
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@@ -141,6 +141,10 @@ root_hash_sig_key_desc <key_description>
also gain new certificates at run time if they are signed by a certificate also gain new certificates at run time if they are signed by a certificate
already in the secondary trusted keyring. already in the secondary trusted keyring.
try_verify_in_tasklet
If verity hashes are in cache, verify data blocks in kernel tasklet instead
of workqueue. This option can reduce IO latency.
Theory of operation Theory of operation
=================== ===================