xfs: rename dquot incore state flags

Rename the existing incore dquot "dq_flags" field to "q_flags" to match
everything else in the structure, then move the two actual dquot state
flags to the XFS_DQFLAG_ namespace from XFS_DQ_.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 35fad34..a9e4a7e 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -598,7 +598,7 @@ xfs_qm_scall_setqlim(
 		 */
 		xfs_qm_adjust_dqtimers(mp, dqp);
 	}
-	dqp->dq_flags |= XFS_DQ_DIRTY;
+	dqp->q_flags |= XFS_DQFLAG_DIRTY;
 	xfs_trans_log_dquot(tp, dqp);
 
 	error = xfs_trans_commit(tp);