From: Christoph Hellwig <hch@lst.de>
Date: Fri, 20 May 2016 00:29:15 +0000 (+1000)
Subject: xfs: fix warning in xfs_finish_page_writeback for non-debug builds
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=690a7871225b7f91f8fe13c465a79e183a61cfe3;p=linux-beck.git

xfs: fix warning in xfs_finish_page_writeback for non-debug builds

blockmask is unused if ASSERTs are disabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index b5f1c66bbb58..736461a861b1 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -94,15 +94,14 @@ xfs_finish_page_writeback(
 	struct bio_vec		*bvec,
 	int			error)
 {
-	unsigned int		blockmask = (1 << inode->i_blkbits) - 1;
 	unsigned int		end = bvec->bv_offset + bvec->bv_len - 1;
 	struct buffer_head	*head, *bh;
 	unsigned int		off = 0;
 
 	ASSERT(bvec->bv_offset < PAGE_SIZE);
-	ASSERT((bvec->bv_offset & blockmask) == 0);
+	ASSERT((bvec->bv_offset & ((1 << inode->i_blkbits) - 1)) == 0);
 	ASSERT(end < PAGE_SIZE);
-	ASSERT((bvec->bv_len & blockmask) == 0);
+	ASSERT((bvec->bv_len & ((1 << inode->i_blkbits) - 1)) == 0);
 
 	bh = head = page_buffers(bvec->bv_page);