block: introduce blk_mq_tagset_iter

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Iterator helper to apply a function on all the
tags in a given tagset. export it as it will be used
outside the block layer later on.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>

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Sagi Grimberg 2017-10-11 12:53:06 +03:00 • committed by Christoph Hellwig

parent 761f2e1ed8

commit 149e10f8ff

2 changed files with 13 additions and 5 deletions

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16

block/blk-mq-tag.c

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2

include/linux/blk-mq.h

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