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Fix the dm-verity Merkle tree caches to not expire so quickly

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Bug: 335233956
Test: cat /sys/module/dm_bufio/parameters/max_age_seconds
Change-Id: I20e4df7dd3eb2ac1f462510e900568e946195faf
This commit is contained in:
Eric Biggers 2024-11-26 02:56:24 +00:00
parent 1de1f1d83b
commit cadad290a7
1 changed files with 4 additions and 0 deletions
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4
rootdir/init.rc
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@ -54,6 +54,10 @@ on early-init
mkdir /linkerconfig/bootstrap 0755
mkdir /linkerconfig/default 0755
# Greatly extend dm-verity's Merkle tree cache timeout. The default timeout
# is much too short and is unnecessary, given that there is also a shrinker.
write /sys/module/dm_bufio/parameters/max_age_seconds 86400
# Disable dm-verity hash prefetching, since it doesn't help performance
# Read more in b/136247322
write /sys/module/dm_verity/parameters/prefetch_cluster 0