Name
generic_pipe_buf_steal —
attempt to take ownership of a &pipe_buffer
Arguments
struct pipe_inode_info * pipe
the pipe that the buffer belongs to
struct pipe_buffer * 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.