X-Git-Url: https://git.openstreetmap.org/chef.git/blobdiff_plain/00067ab27e488394fcef9f47d26a93c2fbb0523e..f1fd88c6c91dc9119d630bd48eb02c90ebb41e09:/cookbooks/devices/templates/default/udev.rules.erb?ds=sidebyside

diff --git a/cookbooks/devices/templates/default/udev.rules.erb b/cookbooks/devices/templates/default/udev.rules.erb
index 9c703409d..bc6f67eb4 100644
--- a/cookbooks/devices/templates/default/udev.rules.erb
+++ b/cookbooks/devices/templates/default/udev.rules.erb
@@ -55,3 +55,6 @@ ACTION=="add", SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", ENV{ID_BUS}=="ata", ENV
 
 # Enable request merging for NVME devices
 ACTION=="add", SUBSYSTEM=="block", DRIVERS=="nvme", ATTR{queue/nomerges}="1"
+
+# Increase readahead on virtio block devices
+ACTION=="add", SUBSYSTEM=="block", DRIVERS=="virtio_blk", ATTR{queue/read_ahead_kb}="512"