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xfs: fix warning in xfs_finish_page_writeback for non-debug builds

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blockmask is unused if ASSERTs are disabled.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2016-05-20 10:29:15 +10:00 committed by Dave Chinner
parent 0e51a8e191
commit 690a787122
1 changed files with 2 additions and 3 deletions
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5
fs/xfs/xfs_aops.c
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@ -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);