block, nvme: Introduce blk_mq_req_flags_t

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Several block layer and NVMe core functions accept a combination
of BLK_MQ_REQ_* flags through the 'flags' argument but there is
no verification at compile time whether the right type of block
layer flags is passed. Make it possible for sparse to verify this.
This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Cc: linux-nvme@lists.infradead.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Bart Van Assche 2017-11-09 10:49:59 -08:00 • committed by Jens Axboe

parent 3a0a529971

commit 9a95e4ef70

8 changed files with 30 additions and 21 deletions

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17

include/linux/blk-mq.h

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2

include/linux/blk_types.h

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4

include/linux/blkdev.h

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