1 files changed, 11 insertions, 9 deletions

diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index ad87cb0..00e9ccd 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -87,13 +87,17 @@ static void ntfs_end_buffer_async_read(struct buffer_head *bh, int uptodate)
 		/* Check for the current buffer head overflowing. */
 		if (unlikely(file_ofs + bh->b_size > init_size)) {
 			int ofs;
+			void *kaddr;
 
 			ofs = 0;
 			if (file_ofs < init_size)
 				ofs = init_size - file_ofs;
 			local_irq_save(flags);
-			zero_user_page(page, bh_offset(bh) + ofs,
-					 bh->b_size - ofs, KM_BIO_SRC_IRQ);
+			kaddr = kmap_atomic(page, KM_BIO_SRC_IRQ);
+			memset(kaddr + bh_offset(bh) + ofs, 0,
+					bh->b_size - ofs);
+			flush_dcache_page(page);
+			kunmap_atomic(kaddr, KM_BIO_SRC_IRQ);
 			local_irq_restore(flags);
 		}
 	} else {
@@ -334,7 +338,7 @@ handle_hole:
 		bh->b_blocknr = -1UL;
 		clear_buffer_mapped(bh);
 handle_zblock:
-		zero_user_page(page, i * blocksize, blocksize, KM_USER0);
+		zero_user(page, i * blocksize, blocksize);
 		if (likely(!err))
 			set_buffer_uptodate(bh);
 	} while (i++, iblock++, (bh = bh->b_this_page) != head);
@@ -410,7 +414,7 @@ retry_readpage:
 	/* Is the page fully outside i_size? (truncate in progress) */
 	if (unlikely(page->index >= (i_size + PAGE_CACHE_SIZE - 1) >>
 			PAGE_CACHE_SHIFT)) {
-		zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+		zero_user(page, 0, PAGE_CACHE_SIZE);
 		ntfs_debug("Read outside i_size - truncated?");
 		goto done;
 	}
@@ -459,7 +463,7 @@ retry_readpage:
 	 * ok to ignore the compressed flag here.
 	 */
 	if (unlikely(page->index > 0)) {
-		zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0);
+		zero_user(page, 0, PAGE_CACHE_SIZE);
 		goto done;
 	}
 	if (!NInoAttr(ni))
@@ -788,8 +792,7 @@ lock_retry_remap:
 		if (err == -ENOENT || lcn == LCN_ENOENT) {
 			bh->b_blocknr = -1;
 			clear_buffer_dirty(bh);
-			zero_user_page(page, bh_offset(bh), blocksize,
-					KM_USER0);
+			zero_user(page, bh_offset(bh), blocksize);
 			set_buffer_uptodate(bh);
 			err = 0;
 			continue;
@@ -1414,8 +1417,7 @@ retry_writepage:
 		if (page->index >= (i_size >> PAGE_CACHE_SHIFT)) {
 			/* The page straddles i_size. */
 			unsigned int ofs = i_size & ~PAGE_CACHE_MASK;
-			zero_user_page(page, ofs, PAGE_CACHE_SIZE - ofs,
-					KM_USER0);
+			zero_user_segment(page, ofs, PAGE_CACHE_SIZE);
 		}
 		/* Handle mst protected attributes. */
 		if (NInoMstProtected(ni))