Use the default chosen by the block layer (64). The purpose of this patch is
to reduce storage latency. Without this patch:
# grep -aH . /sys/block/sd*/queue/nr_requests
/sys/block/sda/queue/nr_requests:256
/sys/block/sdb/queue/nr_requests:64
/sys/block/sdc/queue/nr_requests:64
/sys/block/sdd/queue/nr_requests:64
With this patch applied:
# grep -aH . /sys/block/sd*/queue/nr_requests
/sys/block/sda/queue/nr_requests:64
/sys/block/sdb/queue/nr_requests:64
/sys/block/sdc/queue/nr_requests:64
/sys/block/sdd/queue/nr_requests:64
Bug: 194450129
Test: Built Android images and installed these on an Android phone.
Change-Id: I236874f3791d62a2d5faf0d37a149025639f5c4a
Signed-off-by: Bart Van Assche <bvanassche@acm.org>