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

6       kfifo_in - puts some data into the FIFO
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SYNOPSIS

9       unsigned int kfifo_in(struct kfifo * fifo, const void * from,
10                             unsigned int len);
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ARGUMENTS

13       fifo
14           the fifo to be used.
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16       from
17           the data to be added.
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19       len
20           the length of the data to be added.
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DESCRIPTION

23       This function copies at most len bytes from the from buffer into the
24       FIFO depending on the free space, and returns the number of bytes
25       copied.
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27       Note that with only one concurrent reader and one concurrent writer,
28       you don't need extra locking to use these functions.
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31Kernel Hackers Manual 2.6.       November 2011                     KFIFO_IN(9)
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