#
# Rules to set an increased default max readahead size
# This file should be installed in /etc/udev/rules.d
#

SUBSYSTEM!="block", GOTO="ra_end"

ACTION!="add", GOTO="ra_change"
# on device add set initial readahead to 512 (instead of in kernel 128)
KERNEL=="sd*[!0-9]", WAIT_FOR="queue/read_ahead_kb", ATTR{queue/read_ahead_kb}="512"

LABEL="ra_change"

ACTION!="change", GOTO="ra_end"
# on device change set initial readahead to 512 (instead of in kernel 128)
KERNEL=="dasd*[!0-9]", TEST=="queue/read_ahead_kb", ATTR{queue/read_ahead_kb}="512"

LABEL="ra_end"