1KFIFO_OUT(9)                      FIFO Buffer                     KFIFO_OUT(9)
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NAME

6       kfifo_out - gets some data from the FIFO
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SYNOPSIS

9       unsigned int kfifo_out(struct kfifo * fifo, void * to,
10                              unsigned int len);
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ARGUMENTS

13       fifo
14           the fifo to be used.
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16       to
17           where the data must be copied.
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19       len
20           the size of the destination buffer.
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DESCRIPTION

23       This function copies at most len bytes from the FIFO into the to buffer
24       and returns the number of copied bytes.
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26       Note that with only one concurrent reader and one concurrent writer,
27       you don't need extra locking to use these functions.
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30Kernel Hackers Manual 2.6.       November 2011                    KFIFO_OUT(9)
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