block: add a blk_steal_bios helper

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This helpers allows to bounce steal the uncompleted bios from a request so
that they can be reissued on another path.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2017-11-02 21:29:51 +03:00 • committed by Jens Axboe

parent f421e1d9ad

commit ef71de8b15

2 changed files with 23 additions and 0 deletions

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21

block/blk-core.c

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2

include/linux/blkdev.h

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