xfs: remove the XFS_DFORK_Q macro

Just checking di_forkoff directly is a little easier to follow.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/libxfs/xfs_format.h

@@ -964,13 +964,12 @@ enum xfs_dinode_fmt {
 /*
  * Inode data & attribute fork sizes, per inode.
  */
-#define XFS_DFORK_Q(dip)		((dip)->di_forkoff != 0)
 #define XFS_DFORK_BOFF(dip)		((int)((dip)->di_forkoff << 3))
 
 #define XFS_DFORK_DSIZE(dip,mp) \
-	(XFS_DFORK_Q(dip) ? XFS_DFORK_BOFF(dip) : XFS_LITINO(mp))
+	((dip)->di_forkoff ? XFS_DFORK_BOFF(dip) : XFS_LITINO(mp))
 #define XFS_DFORK_ASIZE(dip,mp) \
-	(XFS_DFORK_Q(dip) ? XFS_LITINO(mp) - XFS_DFORK_BOFF(dip) : 0)
+	((dip)->di_forkoff ? XFS_LITINO(mp) - XFS_DFORK_BOFF(dip) : 0)
 #define XFS_DFORK_SIZE(dip,mp,w) \
 	((w) == XFS_DATA_FORK ? \
 		XFS_DFORK_DSIZE(dip, mp) : \

fs/xfs/libxfs/xfs_inode_buf.c

@@ -265,7 +265,7 @@ xfs_inode_from_disk(
 	error = xfs_iformat_data_fork(ip, from);
 	if (error)
 		return error;
-	if (XFS_DFORK_Q(from)) {
+	if (from->di_forkoff) {
 		error = xfs_iformat_attr_fork(ip, from);
 		if (error)
 			goto out_destroy_data_fork;
@@ -435,7 +435,7 @@ xfs_dinode_verify_forkoff(
 	struct xfs_dinode	*dip,
 	struct xfs_mount	*mp)
 {
-	if (!XFS_DFORK_Q(dip))
+	if (!dip->di_forkoff)
 		return NULL;
 
 	switch (dip->di_format)  {
@@ -538,7 +538,7 @@ xfs_dinode_verify(
 		return __this_address;
 	}
 
-	if (XFS_DFORK_Q(dip)) {
+	if (dip->di_forkoff) {
 		fa = xfs_dinode_verify_fork(dip, mp, XFS_ATTR_FORK);
 		if (fa)
 			return fa;