Commit 4671a132 authored Mar 01, 2010 by Richard Kennedy Committed by Jens Axboe Mar 01, 2010

block: don't access jiffies when initialising io_context



As the comment says the initial value of last_waited is never used, so
there is no need to initialise it with the current jiffies. Jiffies is
hot enough without accessing it for no reason.

Signed-off-by: Richard Kennedy <richard@rsk.demon.co.uk>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

parent 73e9ffdd

block/blk-ioc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -91,7 +91,7 @@ struct io_context *alloc_io_context(gfp_t gfp_flags, int node)
		spin_lock_init(&ret->lock);
		ret->ioprio_changed = 0;
		ret->ioprio = 0;
		ret->last_waited = jiffies; /* doesn't matter... */
		ret->last_waited = 0; /* doesn't matter... */
		ret->nr_batch_requests = 0; /* because this is 0 */
		INIT_RADIX_TREE(&ret->radix_root, GFP_ATOMIC \| __GFP_HIGH);
		INIT_HLIST_HEAD(&ret->cic_list);