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Commit cadad290 authored by Eric Biggers's avatar Eric Biggers
Browse files

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

Bug: 335233956
Test: cat /sys/module/dm_bufio/parameters/max_age_seconds
Change-Id: I20e4df7dd3eb2ac1f462510e900568e946195faf
parent 1de1f1d8

rootdir/init.rc

+4 −0
Original line number Diff line number Diff line
@@ -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