tree cd2149cc2f2eb0faa83d38fe64e1228f7c703a85
parent 42364690992e592c05f85c76fda4055820b48c1b
author Wu Fengguang <fengguang.wu@intel.com> 1227600519 +0100
committer Jens Axboe <jens.axboe@oracle.com> 1230535723 +0100

block: don't take lock on changing ra_pages

There's no need to take queue_lock or kernel_lock when modifying
bdi->ra_pages. So remove them. Also remove out of date comment for
queue_max_sectors_store().

Signed-off-by: Wu Fengguang <wfg@linux.intel.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>