X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_patchless_compat.h;h=2ad8bce19ac53d70670ded95ca861e2962424fc0;hb=6f8d0e2905286cadda1564ace6c2e6b034f0dfd6;hp=3ef2b0b2303d99e01725ae839f6d83df5ec5ef39;hpb=bca975c7fa261ffb926e8a18d5869b886c65f447;p=fs%2Flustre-release.git

diff --git a/lustre/include/lustre_patchless_compat.h b/lustre/include/lustre_patchless_compat.h
index 3ef2b0b..2ad8bce 100644
--- a/lustre/include/lustre_patchless_compat.h
+++ b/lustre/include/lustre_patchless_compat.h
@@ -15,11 +15,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
  * GPL HEADER END
  */
@@ -38,10 +34,9 @@
 #define LUSTRE_PATCHLESS_COMPAT_H
 
 #include <linux/fs.h>
-
+#include <linux/mm.h>
 #ifndef HAVE_TRUNCATE_COMPLETE_PAGE
 #include <linux/list.h>
-#include <linux/mm.h>
 #include <linux/hash.h>
 
 #ifndef HAVE_DELETE_FROM_PAGE_CACHE /* 2.6.39 */
@@ -69,13 +64,26 @@ static inline void ll_remove_from_page_cache(struct page *page)
 static inline void ll_delete_from_page_cache(struct page *page)
 {
         ll_remove_from_page_cache(page);
-        page_cache_release(page);
+	put_page(page);
 }
 #else /* HAVE_DELETE_FROM_PAGE_CACHE */
 #define ll_delete_from_page_cache(page) delete_from_page_cache(page)
 #endif /* !HAVE_DELETE_FROM_PAGE_CACHE */
 
 static inline void
+ll_cancel_dirty_page(struct address_space *mapping, struct page *page)
+{
+#ifdef HAVE_NEW_CANCEL_DIRTY_PAGE
+	cancel_dirty_page(page);
+#elif defined(HAVE_CANCEL_DIRTY_PAGE)
+	cancel_dirty_page(page, PAGE_SIZE);
+#else
+	if (TestClearPageDirty(page))
+		account_page_cleaned(page, mapping);
+#endif	/* HAVE_NEW_CANCEL_DIRTY_PAGE */
+}
+
+static inline void
 truncate_complete_page(struct address_space *mapping, struct page *page)
 {
 	if (page->mapping != mapping)
@@ -83,11 +91,12 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
 
 	if (PagePrivate(page))
 #ifdef HAVE_INVALIDATE_RANGE
-		page->mapping->a_ops->invalidatepage(page, 0, PAGE_CACHE_SIZE);
+		page->mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
 #else
 		page->mapping->a_ops->invalidatepage(page, 0);
 #endif
-	cancel_dirty_page(page, PAGE_SIZE);
+
+	ll_cancel_dirty_page(mapping, page);
 	ClearPageMappedToDisk(page);
 	ll_delete_from_page_cache(page);
 }
@@ -122,4 +131,8 @@ truncate_complete_page(struct address_space *mapping, struct page *page)
 #define ATTR_CTIME_SET (1 << 28)
 #endif
 
+#ifndef HAVE_IN_COMPAT_SYSCALL
+#define in_compat_syscall	is_compat_task
+#endif
+
 #endif /* LUSTRE_PATCHLESS_COMPAT_H */