From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH v9 04/10] block: Make q_usage_counter also track legacy requests To: Bart Van Assche , Jens Axboe Cc: linux-block@vger.kernel.org, linux-scsi@vger.kernel.org, Christoph Hellwig , "Martin K . Petersen" , Oleksandr Natalenko , Ming Lei , Hannes Reinecke References: <20171016232905.5047-1-bart.vanassche@wdc.com> <20171016232905.5047-5-bart.vanassche@wdc.com> From: Hannes Reinecke Message-ID: Date: Tue, 17 Oct 2017 08:25:12 +0200 MIME-Version: 1.0 In-Reply-To: <20171016232905.5047-5-bart.vanassche@wdc.com> Content-Type: text/plain; charset=utf-8 List-ID: On 10/17/2017 01:28 AM, Bart Van Assche wrote: > From: Ming Lei > > This patch makes it possible to pause request allocation for > the legacy block layer by calling blk_mq_freeze_queue() and > blk_mq_unfreeze_queue(). > > Signed-off-by: Ming Lei > [ bvanassche: Combined two patches into one, edited a comment and made sure > REQ_NOWAIT is handled properly in blk_old_get_request() ] > Signed-off-by: Bart Van Assche > Reviewed-by: Christoph Hellwig > Reviewed-by: Johannes Thumshirn > Tested-by: Martin Steigerwald > Cc: Ming Lei > Cc: Hannes Reinecke > --- > block/blk-core.c | 12 ++++++++++++ > block/blk-mq.c | 10 ++-------- > 2 files changed, 14 insertions(+), 8 deletions(-) > Reviewed-by: Hannes Reinecke Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking hare@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg)