1__BLK_DRAIN_QUEUE(9)             Block Devices            __BLK_DRAIN_QUEUE(9)
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NAME

6       __blk_drain_queue - drain requests from request_queue
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SYNOPSIS

9       void __blk_drain_queue(struct request_queue * q, bool drain_all);
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ARGUMENTS

12       q
13           queue to drain
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15       drain_all
16           whether to drain all requests or only the ones w/ ELVPRIV
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DESCRIPTION

19       Drain requests from q. If drain_all is set, all requests are drained.
20       If not, only ELVPRIV requests are drained. The caller is responsible
21       for ensuring that no new requests which need to be drained are queued.
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24Kernel Hackers Manual 3.10         June 2019              __BLK_DRAIN_QUEUE(9)
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