1 files changed, 11 insertions, 15 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index 7f425f18c158..681da61080bc 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2720,18 +2720,16 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from)
          * about to write.  We do this *before* the write so that we can return
          * without clobbering -EIOCBQUEUED from ->direct_IO().
          */
-        if (mapping->nrpages) {
-                written = invalidate_inode_pages2_range(mapping,
+        written = invalidate_inode_pages2_range(mapping,
                                         pos >> PAGE_SHIFT, end);
-                /*
-                 * If a page can not be invalidated, return 0 to fall back
-                 * to buffered write.
-                 */
-                if (written) {
-                        if (written == -EBUSY)
-                                return 0;
-                        goto out;
-                }
+        /*
+         * If a page can not be invalidated, return 0 to fall back
+         * to buffered write.
+         */
+        if (written) {
+                if (written == -EBUSY)
+                        return 0;
+                goto out;
         }
 
         written = mapping->a_ops->direct_IO(iocb, from);
@@ -2744,10 +2742,8 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from)
          * so we don't support it 100%.  If this invalidation
          * fails, tough, the write still worked...
          */
-        if (mapping->nrpages) {
-                invalidate_inode_pages2_range(mapping,
-                                              pos >> PAGE_SHIFT, end);
-        }
+        invalidate_inode_pages2_range(mapping,
+                                pos >> PAGE_SHIFT, end);
 
         if (written > 0) {
                 pos += written;