21 static int afs_readpage(struct file *file, struct page *page);
22 static void afs_invalidatepage(struct page *page, unsigned long offset);
23 static int afs_releasepage(struct page *page, gfp_t gfp_flags);
24 static int afs_launder_page(struct page *page);
106 				       struct page *page,  in afs_readpage_read_complete()  argument
110 	_enter("%p,%p,%p,%d", cookie_data, page, data, error);  in afs_readpage_read_complete()
113 		SetPageError(page);  in afs_readpage_read_complete()
115 		SetPageUptodate(page);  in afs_readpage_read_complete()
116 	unlock_page(page);  in afs_readpage_read_complete()
126 					struct page *page,  in afs_readpage_write_complete()  argument
130 	_enter("%p,%p,%p,%d", cookie_data, page, data, error);  in afs_readpage_write_complete()
132 	unlock_page(page);  in afs_readpage_write_complete()
139 static int afs_readpage(struct file *file, struct page *page)  in afs_readpage()  argument
148 	inode = page->mapping->host;  in afs_readpage()
154 	_enter("{%x},{%lu},{%lu}", key_serial(key), inode->i_ino, page->index);  in afs_readpage()
158 	BUG_ON(!PageLocked(page));  in afs_readpage()
167 					 page,  in afs_readpage()
188 		offset = page->index << PAGE_CACHE_SHIFT;  in afs_readpage()
193 		ret = afs_vnode_fetch_data(vnode, key, offset, len, page);  in afs_readpage()
202 			cachefs_uncache_page(vnode->cache, page);  in afs_readpage()
207 		SetPageUptodate(page);  in afs_readpage()
211 				       page,  in afs_readpage()
216 			cachefs_uncache_page(vnode->cache, page);  in afs_readpage()
217 			unlock_page(page);  in afs_readpage()
220 		unlock_page(page);  in afs_readpage()
228 	SetPageError(page);  in afs_readpage()
229 	unlock_page(page);  in afs_readpage()
237 static void afs_invalidatepage(struct page *page, unsigned long offset)  in afs_invalidatepage()  argument
241 	_enter("{%lu},%lu", page->index, offset);  in afs_invalidatepage()
243 	BUG_ON(!PageLocked(page));  in afs_invalidatepage()
245 	if (PagePrivate(page)) {  in afs_invalidatepage()
252 			BUG_ON(!PageLocked(page));  in afs_invalidatepage()
255 			if (!PageWriteback(page))  in afs_invalidatepage()
256 				ret = page->mapping->a_ops->releasepage(page,  in afs_invalidatepage()
268 static int afs_launder_page(struct page *page)  in afs_launder_page()  argument
270 	_enter("{%lu}", page->index);  in afs_launder_page()
278 static int afs_releasepage(struct page *page, gfp_t gfp_flags)  in afs_releasepage()  argument
280 	struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);  in afs_releasepage()
284 	       vnode->fid.vid, vnode->fid.vnode, page->index, page->flags,  in afs_releasepage()
287 	if (PagePrivate(page)) {  in afs_releasepage()
288 		wb = (struct afs_writeback *) page_private(page);  in afs_releasepage()
290 		set_page_private(page, 0);  in afs_releasepage()
291 		ClearPagePrivate(page);  in afs_releasepage()