generic_pipe_buf_steal (9) Linux Manual Page
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.