X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Flibfs.c;h=5523bde963879d6060c9a9d19396e8a8615b40a2;hb=14b8869ff4f00f105ea76678997b4d49d27baae3;hp=6e68b700958d331e7e0c2446d54b7d9d06b8f3c2;hpb=81f8320f624a785d77443ace83391d0fdee695f6;p=linux-2.6

diff --git a/fs/libfs.c b/fs/libfs.c
index 6e68b70095..5523bde963 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -341,13 +341,10 @@ int simple_prepare_write(struct file *file, struct page *page,
 			unsigned from, unsigned to)
 {
 	if (!PageUptodate(page)) {
-		if (to - from != PAGE_CACHE_SIZE) {
-			void *kaddr = kmap_atomic(page, KM_USER0);
-			memset(kaddr, 0, from);
-			memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
-			flush_dcache_page(page);
-			kunmap_atomic(kaddr, KM_USER0);
-		}
+		if (to - from != PAGE_CACHE_SIZE)
+			zero_user_segments(page,
+				0, from,
+				to, PAGE_CACHE_SIZE);
 	}
 	return 0;
 }