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SubjectRe: [PATCH 2/2] AFS: Implement shared-writable mmap
On Tue, May 15, 2007 at 04:52:31PM +0100, David Howells wrote:
> +int afs_page_mkwrite(struct vm_area_struct *vma, struct page *page)
> +{
> + struct afs_vnode *vnode = AFS_FS_I(vma->vm_file->f_mapping->host);
> + struct key *key = vma->vm_file->private_data;
> + int ret;
> +
> + _enter("{{%x:%u},%x},{%lx}",
> + vnode->fid.vid, vnode->fid.vnode, key_serial(key), page->index);
> +
> + lock_page(page);
> + ret = afs_prepare_write(vma->vm_file, page, 0, 0);
> + unlock_page(page);
> +
> + _leave(" = %d", ret);
> + return ret;
> +}

It looks like you really want Dave's generic page_mkwrite. And we should
really get that one merged for 2.6.22.

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