xfs: Use defines for CRC offsets in all cases

Some calls to crc functions used useful #defines,
others used awkward offsetof() constructs.

Switch them all to #define to make things a bit cleaner.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 5d7f105a1c82..d79210b15bc0 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -1572,7 +1572,7 @@ xfs_agi_read_verify(
 
         if (xfs_sb_version_hascrc(&mp->m_sb))
                 agi_ok = xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
-                                          offsetof(struct xfs_agi, agi_crc));
+                                          XFS_AGI_CRC_OFF);
         agi_ok = agi_ok && xfs_agi_verify(bp);
 
         if (unlikely(XFS_TEST_ERROR(!agi_ok, mp, XFS_ERRTAG_IALLOC_READ_AGI,
@@ -1600,8 +1600,7 @@ xfs_agi_write_verify(
 
         if (bip)
                 XFS_BUF_TO_AGI(bp)->agi_lsn = cpu_to_be64(bip->bli_item.li_lsn);
-        xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
-                         offsetof(struct xfs_agi, agi_crc));
+        xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_AGI_CRC_OFF);
 }
 
 const struct xfs_buf_ops xfs_agi_buf_ops = {