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GENERIC_PIPE_BUF_GET(9) pipes API GENERIC_PIPE_BUF_GET(9)

NAME

generic_pipe_buf_get - get a reference to a struct pipe_buffer

SYNOPSIS

void generic_pipe_buf_get(struct pipe_inode_info * pipe, struct pipe_buffer * buf);

ARGUMENTS

struct pipe_inode_info * pipe
the pipe that the buffer belongs to

struct pipe_buffer * buf

the buffer to get a reference to

DESCRIPTION

This function grabs an extra reference to buf. It's used in in the tee system call, when we duplicate the buffers in one pipe into another.

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12