[PATCH 2/13] affs: use zero_user_page

[Nate Diller]

Use zero_user_page() instead of open-coding it.

Signed-off-by: Nate Diller <nate.diller@xxxxxxxxx>

---

diff -urpN -X dontdiff linux-2.6.21-rc6-mm1/fs/affs/file.c linux-2.6.21-rc6-mm1-test/fs/affs/file.c
--- linux-2.6.21-rc6-mm1/fs/affs/file.c	2007-04-09 17:23:48.000000000 -0700
+++ linux-2.6.21-rc6-mm1-test/fs/affs/file.c	2007-04-09 18:18:23.000000000 -0700
@@ -628,11 +628,7 @@ static int affs_prepare_write_ofs(struct
 			return err;
 	}
 	if (to < PAGE_CACHE_SIZE) {
-		char *kaddr = kmap_atomic(page, KM_USER0);
-
-		memset(kaddr + to, 0, PAGE_CACHE_SIZE - to);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
+		zero_user_page(page, to, PAGE_CACHE_SIZE - to);
 		if (size > offset + to) {
 			if (size < offset + PAGE_CACHE_SIZE)
 				tmp = size & ~PAGE_CACHE_MASK;
-
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