generic_pipe_buf_get(9) get a reference to a struct pipe_buffer

SYNOPSIS

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

ARGUMENTS

pipe

the pipe that the buffer belongs to

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.

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