xfs: pass full xfs_dqblk to repair during quotacheck

It's a bit dicey to pass in the smaller xfs_disk_dquot and then cast it to
something larger; pass in the full xfs_dqblk so we know the caller has sent
us the right thing.  Rename the function to xfs_dqblk_repair for
clarity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/libxfs/xfs_dquot_buf.c b/fs/xfs/libxfs/xfs_dquot_buf.c
index c00174f..3b92427 100644
--- a/fs/xfs/libxfs/xfs_dquot_buf.c
+++ b/fs/xfs/libxfs/xfs_dquot_buf.c
@@ -104,29 +104,26 @@ xfs_dquot_verify(
  * Do some primitive error checking on ondisk dquot data structures.
  */
 int
-xfs_dquot_repair(
+xfs_dqblk_repair(
 	struct xfs_mount	*mp,
-	struct xfs_disk_dquot	*ddq,
+	struct xfs_dqblk	*dqb,
 	xfs_dqid_t		id,
 	uint			type)
 {
-	struct xfs_dqblk	*d = (struct xfs_dqblk *)ddq;
-
-
 	/*
 	 * Typically, a repair is only requested by quotacheck.
 	 */
 	ASSERT(id != -1);
-	memset(d, 0, sizeof(xfs_dqblk_t));
+	memset(dqb, 0, sizeof(xfs_dqblk_t));
 
-	d->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
-	d->dd_diskdq.d_version = XFS_DQUOT_VERSION;
-	d->dd_diskdq.d_flags = type;
-	d->dd_diskdq.d_id = cpu_to_be32(id);
+	dqb->dd_diskdq.d_magic = cpu_to_be16(XFS_DQUOT_MAGIC);
+	dqb->dd_diskdq.d_version = XFS_DQUOT_VERSION;
+	dqb->dd_diskdq.d_flags = type;
+	dqb->dd_diskdq.d_id = cpu_to_be32(id);
 
 	if (xfs_sb_version_hascrc(&mp->m_sb)) {
-		uuid_copy(&d->dd_uuid, &mp->m_sb.sb_meta_uuid);
-		xfs_update_cksum((char *)d, sizeof(struct xfs_dqblk),
+		uuid_copy(&dqb->dd_uuid, &mp->m_sb.sb_meta_uuid);
+		xfs_update_cksum((char *)dqb, sizeof(struct xfs_dqblk),
 				 XFS_DQUOT_CRC_OFF);
 	}