[PATCH 2/13] affs: use zero_user_page

Nate Diller
2007-04-11T03:41:46Z

Use zero_user_page() instead of open-coding it.

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

---

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;