Re: [PATCH 2/2] scsi: ufs: Fix a deadlock in the error handler

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On Wed, Nov 03, 2021 at 10:37:30AM +0200, Adrian Hunter wrote:
> The UFS driver does not issue device commands to the block layer.
> blk_get_request() is used only to get a free slot.

That is indeed the case for the code touched here, but not in general:

ch@brick:~/work/linux$ git-grep blk_execute_rq drivers/scsi/ufs/
drivers/scsi/ufs/ufshcd.c:      blk_execute_rq_nowait(/*bd_disk=*/NULL, req, /*at_head=*/true,
drivers/scsi/ufs/ufshpb.c:      blk_execute_rq_nowait(NULL, req, 1, ufshpb_umap_req_compl_fn);
drivers/scsi/ufs/ufshpb.c:      blk_execute_rq_nowait(NULL, req, 1, ufshpb_map_req_compl_fn);



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