[GFS2] use zero_user_page
Use zero_user_page() instead of open-coding it.
Signed-off-by: Nate Diller <nate.diller@gmail.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index c53a5d2..1c40c4b 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -885,7 +885,6 @@
unsigned blocksize, iblock, length, pos;
struct buffer_head *bh;
struct page *page;
- void *kaddr;
int err;
page = grab_cache_page(mapping, index);
@@ -933,10 +932,7 @@
if (sdp->sd_args.ar_data == GFS2_DATA_ORDERED || gfs2_is_jdata(ip))
gfs2_trans_add_bh(ip->i_gl, bh, 0);
- kaddr = kmap_atomic(page, KM_USER0);
- memset(kaddr + offset, 0, length);
- flush_dcache_page(page);
- kunmap_atomic(kaddr, KM_USER0);
+ zero_user_page(page, offset, length, KM_USER0);
unlock:
unlock_page(page);