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| GENERIC_PIPE_BUF_STE(9) | pipes API | 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¶
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.
COPYRIGHT¶
| July 2017 | Kernel Hackers Manual 4.12 |