Re: [PATCH] block: move definition of blk_qc_t to types.h

[PATCH] block: move definition of blk_qc_t to types.h · Jeffle Xu <jefflexu@linux.alibaba.com> · 2020-12-22
Re: [PATCH] block: move definition of blk_qc_t to types.h · Christoph Hellwig <hch@infradead.org> · 2020-12-22
Re: [PATCH] block: move definition of blk_qc_t to types.h · JeffleXu <jefflexu@linux.alibaba.com> · 2020-12-23

From: Christoph Hellwig <hch@infradead.org>
Date: 2020-12-22 13:31:33
Also in: linux-fsdevel

-typedef unsigned int blk_qc_t;
 #define BLK_QC_T_NONE		-1U
 #define BLK_QC_T_SHIFT		16
 #define BLK_QC_T_INTERNAL	(1U << 31)

I think we need a comment here explaining these are the values for
blk_qc_t at least.