1TRACE_BLOCK_GETRQ(9) Block IO TRACE_BLOCK_GETRQ(9)
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6 trace_block_getrq - get a free request entry in queue for block IO
7 operations
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10 void trace_block_getrq(struct request_queue * q, struct bio * bio,
11 int rw);
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14 q
15 queue for operations
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17 bio
18 pending block IO operation
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20 rw
21 low bit indicates a read (0) or a write (1)
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24 A request struct for queue q has been allocated to handle the block IO
25 operation bio.
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28 Jason Baron <jbaron@redhat.com>
29 Author.
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31 William Cohen <wcohen@redhat.com>
32 Author.
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35Kernel Hackers Manual 3.10 June 2019 TRACE_BLOCK_GETRQ(9)