block: add REQ_BACKGROUND

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This adds a new request flag, REQ_BACKGROUND, that callers can use to
tell the block layer that this is background (non-urgent) IO.

Signed-off-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Jens Axboe 2016-11-01 09:52:57 -06:00

parent 7281b4526c

commit 1d796d6a96

1 changed files with 2 additions and 0 deletions

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include/linux/blk_types.h

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