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block: move ->make_request_fn to struct block_device_operations

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The make_request_fn is a little weird in that it sits directly in
struct request_queue instead of an operation vector.  Replace it with
a block_device_operations method called submit_bio (which describes much
better what it does).  Also remove the request_queue argument to it, as
the queue can be derived pretty trivially from the bio.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2020-07-01 10:59:43 +02:00
committed by Jens Axboe
parent e439ab710f
commit c62b37d96b
36 changed files with 153 additions and 140 deletions
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3
include/linux/lightnvm.h
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@@ -631,7 +631,6 @@ static inline int nvm_next_ppa_in_chk(struct nvm_tgt_dev *dev,
return last;
}
typedef blk_qc_t (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *);
typedef sector_t (nvm_tgt_capacity_fn)(void *);
typedef void *(nvm_tgt_init_fn)(struct nvm_tgt_dev *, struct gendisk *,
int flags);
@@ -650,7 +649,7 @@ struct nvm_tgt_type {
int flags;
/* target entry points */
nvm_tgt_make_rq_fn *make_rq;
const struct block_device_operations *bops;
nvm_tgt_capacity_fn *capacity;
/* module-specific init/teardown */