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Date: Fri, 29 Mar 2019 13:23:47 +0530 From: Kanchan Joshi <joshi.k@...sung.com> To: linux-kernel@...r.kernel.org, linux-block@...r.kernel.org, linux-nvme@...ts.infradead.org, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org Cc: axboe@...com, prakash.v@...sung.com, anshul@...sung.com, joshiiitr@...il.com, Kanchan Joshi <joshi.k@...sung.com> Subject: [PATCH v3 2/7] block: introduce API to register stream information with block layer This associates stream limit (count of streams exposed by driver) with request queue. Signed-off-by: Kanchan Joshi <joshi.k@...sung.com> --- block/blk-settings.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/block/blk-settings.c b/block/blk-settings.c index 3e7038e..bb0da61 100644 --- a/block/blk-settings.c +++ b/block/blk-settings.c @@ -231,6 +231,18 @@ void blk_queue_max_discard_sectors(struct request_queue *q, EXPORT_SYMBOL(blk_queue_max_discard_sectors); /** + * blk_queue_stream_limits - set stream parameters + * @q: the request queue for the device + * @nr_streams: number of streams supported by device + **/ +void blk_queue_stream_limits(struct request_queue *q, + unsigned short nr_streams) +{ + q->limits.nr_streams = nr_streams; +} +EXPORT_SYMBOL(blk_queue_stream_limits); + +/** * blk_queue_max_write_same_sectors - set max sectors for a single write same * @q: the request queue for the device * @max_write_same_sectors: maximum number of sectors to write per command -- 2.7.4
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