1KFIFO_OUT_PEEK(9)                 FIFO Buffer                KFIFO_OUT_PEEK(9)
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NAME

6       kfifo_out_peek - gets some data from the fifo
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SYNOPSIS

9       kfifo_out_peek(fifo, buf, n);
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ARGUMENTS

12       fifo
13           address of the fifo to be used
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15       buf
16           pointer to the storage buffer
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18       n
19           max. number of elements to get
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DESCRIPTION

22       This macro get the data from the fifo and return the numbers of
23       elements copied. The data is not removed from the fifo.
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25       Note that with only one concurrent reader and one concurrent writer,
26       you don't need extra locking to use these macro.
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29Kernel Hackers Manual 3.10         June 2019                 KFIFO_OUT_PEEK(9)
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