On 2/11/21 7:38 AM, David Jeffery wrote:
> When a stacked block device inserts a request into another block device
> using blk_insert_cloned_request, the request's nr_phys_segments field gets
> recalculated by a call to blk_recalc_rq_segments in
> blk_cloned_rq_check_limits. But
On Thu, Feb 11, 2021 at 10:48 PM David Jeffery wrote:
>
> When a stacked block device inserts a request into another block device
> using blk_insert_cloned_request, the request's nr_phys_segments field gets
> recalculated by a call to blk_recalc_rq_segments in
> blk_cloned_rq_check_limits. But
When a stacked block device inserts a request into another block device
using blk_insert_cloned_request, the request's nr_phys_segments field gets
recalculated by a call to blk_recalc_rq_segments in
blk_cloned_rq_check_limits. But blk_recalc_rq_segments does not know how to
handle multi-segment
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