mm: change invalidatepage prototype to accept length

[karo-tx-linux.git] / fs / afs / file.c

diff --git a/fs/afs/file.c b/fs/afs/file.c
index 8f6e9234d5654a6b397500762048aff9da394baf..66d50fe2ee459a887511381e8e375db72d2bf1f3 100644 (file)
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -19,7 +19,8 @@
 #include "internal.h"
 
 static int afs_readpage(struct file *file, struct page *page);
-static void afs_invalidatepage(struct page *page, unsigned long offset);
+static void afs_invalidatepage(struct page *page, unsigned int offset,
+                              unsigned int length);
 static int afs_releasepage(struct page *page, gfp_t gfp_flags);
 static int afs_launder_page(struct page *page);
 
@@ -310,16 +311,17 @@ static int afs_launder_page(struct page *page)
  * - release a page and clean up its private data if offset is 0 (indicating
  *   the entire page)
  */
-static void afs_invalidatepage(struct page *page, unsigned long offset)
+static void afs_invalidatepage(struct page *page, unsigned int offset,
+                              unsigned int length)
 {
        struct afs_writeback *wb = (struct afs_writeback *) page_private(page);
 
-       _enter("{%lu},%lu", page->index, offset);
+       _enter("{%lu},%u,%u", page->index, offset, length);
 
        BUG_ON(!PageLocked(page));
 
        /* we clean up only if the entire page is being invalidated */
-       if (offset == 0) {
+       if (offset == 0 && length == PAGE_CACHE_SIZE) {
 #ifdef CONFIG_AFS_FSCACHE
                if (PageFsCache(page)) {
                        struct afs_vnode *vnode = AFS_FS_I(page->mapping->host);