generic_pipe_buf_ste(9)
NAME
generic_pipe_buf_steal - attempt to take ownership of a pipe_buffer
SYNOPSIS
int generic_pipe_buf_steal(struct pipe_inode_info * pipe,
struct pipe_buffer * buf);
ARGUMENTS
- pipe
- the pipe that the buffer belongs to
- buf
- the buffer to attempt to steal
DESCRIPTION
This function attempts to steal the struct page attached to buf. If
successful, this function returns 0 and returns with the page locked.
The caller may then reuse the page for whatever he wishes; the typical
use is insertion into a different file page cache.