Hi Jens,
In blk_mq_map_swqueue(), all the blk_mq_hw_ctx's nr_ctx are set
to zero, and then each blk_mq_ctx's index_hw is set to nr_ctx.
I think the index_hw means the index of the hardware queue that map
to this software queue, so maybe index_hw should be set to
blk_mq_hw_ctx's queue_num.
I'm a student and I probably have misunderstood this code, please help
me to resolve this confusion. Thank you.
static void blk_mq_map_swqueue(struct request_queue *q)
{
.........
queue_for_each_hw_ctx(q, hctx, i) {
.........
hctx->nr_ctx = 0;
}
.........
queue_for_each_ctx(q, ctx, i) {
.........
ctx->index_hw = hctx->nr_ctx;
.........
}
}
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