blk-mq: add support for carrying internal tag information in blk_qc_t

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No functional change in this patch, just in preparation for having
two types of tags available to the block layer for a single request.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>

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This commit is contained in:

Jens Axboe 2017-01-12 10:04:45 -07:00

parent cc71a6f438

commit fd2d332677

2 changed files with 25 additions and 8 deletions

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11

block/blk-mq.c

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22

include/linux/blk_types.h

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