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linux/fs/block_dev.c
Pavel Begunkov f8b78caf21 block: don't ignore REQ_NOWAIT for direct IO 
If IOCB_NOWAIT is set on submission, then that needs to get propagated to
REQ_NOWAIT on the block side. Otherwise we completely lose this
information, and any issuer of IOCB_NOWAIT IO will potentially end up
blocking on eg request allocation on the storage side.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-04-02 08:34:30 -06:00

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