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pipe: add pipe_buf_steal() helper

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Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi 2016-09-27 10:45:12 +02:00 • committed by Al Viro
commit ca76f5b6bd
3 changed files with 13 additions and 2 deletions
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2
drivers/char/virtio_console.c
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@ -889,7 +889,7 @@ static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
return 0;
/* Try lock this page */
if (buf->ops->steal(pipe, buf) == 0) {
if (pipe_buf_steal(pipe, buf) == 0) {
/* Get reference and unlock page for moving */
get_page(buf->page);
unlock_page(buf->page);