block: check that there is a plug in blk_flush_plug

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Rename blk_flush_plug to __blk_flush_plug and add a wrapper that includes
the NULL check instead of open coding that check everywhere.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220127070549.1377856-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2022-01-27 08:05:49 +01:00 • committed by Jens Axboe

parent b1f866b013

commit aa8dcccaf3

4 changed files with 13 additions and 14 deletions

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7

include/linux/blkdev.h

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