1KFIFO_IN(9)                       FIFO Buffer                      KFIFO_IN(9)
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NAME

6       kfifo_in - put data into the fifo
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SYNOPSIS

9       kfifo_in(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           the data to be added
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18       n
19           number of elements to be added
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DESCRIPTION

22       This macro copies the given buffer into the fifo and returns the number
23       of copied elements.
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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_IN(9)
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