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pipe: kill ->map() and ->unmap()

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all pipe_buffer_operations have the same instances of those...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2014-02-02 21:09:54 -05:00
parent 58bda1da4b
commit fbb32750a6
7 changed files with 29 additions and 100 deletions
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4
drivers/char/virtio_console.c
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@ -901,9 +901,9 @@ static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
if (len + offset > PAGE_SIZE)
len = PAGE_SIZE - offset;
src = buf->ops->map(pipe, buf, 1);
src = kmap_atomic(buf->page);
memcpy(page_address(page) + offset, src + buf->offset, len);
buf->ops->unmap(pipe, buf, src);
kunmap_atomic(src);
sg_set_page(&(sgl->sg[sgl->n]), page, len, offset);
}