Re: [PATCH v2 4/7] blk-mq: Introduce blk_quiesce_queue() and blk_resume_queue()
From: Hannes Reinecke <hidden>
Date: 2016-09-29 05:52:04
Also in:
linux-block, linux-nvme, linux-rdma
On 09/29/2016 01:59 AM, Bart Van Assche wrote:
blk_quiesce_queue() prevents that new queue_rq() invocations occur and waits until ongoing invocations have finished. This function does *not* wait until all outstanding requests have finished (this means invocation of request.end_io()). blk_resume_queue() resumes normal I/O processing. Signed-off-by: Bart Van Assche <redacted> Cc: Hannes Reinecke <hare-IBi9RG/b67k@public.gmane.org> Cc: Johannes Thumshirn <redacted> --- block/blk-mq.c | 137 ++++++++++++++++++++++++++++++++++++++++++++----- include/linux/blk-mq.h | 2 + include/linux/blkdev.h | 5 ++ 3 files changed, 131 insertions(+), 13 deletions(-)
Reviewed-by: Hannes Reinecke <hare-IBi9RG/b67k@public.gmane.org> Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare-l3A5Bk7waGM@public.gmane.org +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg) -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html