blk-mq: Export tagset iter function

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Its useful to iterate on all the active tags in cases
where we will need to fail all the queues IO.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
[hch: carefully check for valid tagsets]
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

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Sagi Grimberg 2016-03-10 13:58:46 +02:00 • committed by Jens Axboe

parent 37e58237a1

commit e0489487ec

2 changed files with 14 additions and 0 deletions

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include/linux/blk-mq.h

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