xfs: don't try to handle non-update pages in xfile_obj_load

shmem_read_mapping_page_gfp always returns an uptodate page or an
ERR_PTR.  Remove the code that tries to handle a non-uptodate page.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>

fs/xfs/scrub/xfile.c

@@ -149,7 +149,6 @@ xfile_load(
 			goto advance;
 		}
 
-		if (PageUptodate(page)) {
 		/*
 		 * xfile pages must never be mapped into userspace, so
 		 * we skip the dcache flush.
@@ -158,9 +157,6 @@ xfile_load(
 		p = kaddr + offset_in_page(pos);
 		memcpy(buf, p, len);
 		kunmap_local(kaddr);
-		} else {
-			memset(buf, 0, len);
-		}
 		put_page(page);
 
 advance: