Messages in this thread | | | From | <> | Subject | Re: [PATCH 1/1] mmc: Set optimal I/O size when mmc_setip_queue | Date | Sun, 27 Aug 2023 00:54:54 +0800 |
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On Fri, 2023-08-25 at 20:23 +0800, Wenchao Chen wrote: > > > Hi Sharp > Use "echo 1024 > sys/block/mmcblk0/queue/read_ahead_kb" instead of > "blk_queue_io_opt(mq->queue, host->max_req_size);"?
Hi Wenchao,
User space does not know the max_req_size of each mmc host. And when the SD card is hot inserted, it is complicated for the user space to modify this value.
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