diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index c1b55e5..d25eafd 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -271,10 +271,6 @@
 	dp = args->dp;
 	mp = dp->i_mount;
 	dp->i_d.di_forkoff = forkoff;
-	dp->i_df.if_ext_max =
-		XFS_IFORK_DSIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
-	dp->i_afp->if_ext_max =
-		XFS_IFORK_ASIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
 
 	ifp = dp->i_afp;
 	ASSERT(ifp->if_flags & XFS_IFINLINE);
@@ -326,7 +322,6 @@
 	ASSERT(ip->i_d.di_anextents == 0);
 	ASSERT(ip->i_afp == NULL);
 
-	ip->i_df.if_ext_max = XFS_IFORK_DSIZE(ip) / sizeof(xfs_bmbt_rec_t);
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 }
 
@@ -389,10 +384,6 @@
 				(args->op_flags & XFS_DA_OP_ADDNAME) ||
 				!(mp->m_flags & XFS_MOUNT_ATTR2) ||
 				dp->i_d.di_format == XFS_DINODE_FMT_BTREE);
-		dp->i_afp->if_ext_max =
-			XFS_IFORK_ASIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
-		dp->i_df.if_ext_max =
-			XFS_IFORK_DSIZE(dp) / (uint)sizeof(xfs_bmbt_rec_t);
 		xfs_trans_log_inode(args->trans, dp,
 					XFS_ILOG_CORE | XFS_ILOG_ADATA);
 	}
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index d0ab788..7a888ca 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -249,7 +249,27 @@
 }
 
 /*
-* Update the record referred to by cur to the value given
+ * Check if the inode needs to be converted to btree format.
+ */
+static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)
+{
+	return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
+		XFS_IFORK_NEXTENTS(ip, whichfork) >
+			XFS_IFORK_MAXEXT(ip, whichfork);
+}
+
+/*
+ * Check if the inode should be converted to extent format.
+ */
+static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
+{
+	return XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE &&
+		XFS_IFORK_NEXTENTS(ip, whichfork) <=
+			XFS_IFORK_MAXEXT(ip, whichfork);
+}
+
+/*
+ * Update the record referred to by cur to the value given
  * by [off, bno, len, state].
  * This either works (return 0) or gets an EFSCORRUPTED error.
  */
@@ -683,8 +703,8 @@
 				goto done;
 			XFS_WANT_CORRUPTED_GOTO(i == 1, done);
 		}
-		if (bma->ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
-		    bma->ip->i_d.di_nextents > bma->ip->i_df.if_ext_max) {
+
+		if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
 					bma->firstblock, bma->flist,
 					&bma->cur, 1, &tmp_rval, XFS_DATA_FORK);
@@ -767,8 +787,8 @@
 				goto done;
 			XFS_WANT_CORRUPTED_GOTO(i == 1, done);
 		}
-		if (bma->ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
-		    bma->ip->i_d.di_nextents > bma->ip->i_df.if_ext_max) {
+
+		if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
 				bma->firstblock, bma->flist, &bma->cur, 1,
 				&tmp_rval, XFS_DATA_FORK);
@@ -836,8 +856,8 @@
 				goto done;
 			XFS_WANT_CORRUPTED_GOTO(i == 1, done);
 		}
-		if (bma->ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
-		    bma->ip->i_d.di_nextents > bma->ip->i_df.if_ext_max) {
+
+		if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,
 					bma->firstblock, bma->flist, &bma->cur,
 					1, &tmp_rval, XFS_DATA_FORK);
@@ -884,8 +904,7 @@
 	}
 
 	/* convert to a btree if necessary */
-	if (XFS_IFORK_FORMAT(bma->ip, XFS_DATA_FORK) == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(bma->ip, XFS_DATA_FORK) > ifp->if_ext_max) {
+	if (xfs_bmap_needs_btree(bma->ip, XFS_DATA_FORK)) {
 		int	tmp_logflags;	/* partial log flag return val */
 
 		ASSERT(bma->cur == NULL);
@@ -1421,8 +1440,7 @@
 	}
 
 	/* convert to a btree if necessary */
-	if (XFS_IFORK_FORMAT(ip, XFS_DATA_FORK) == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) > ifp->if_ext_max) {
+	if (xfs_bmap_needs_btree(ip, XFS_DATA_FORK)) {
 		int	tmp_logflags;	/* partial log flag return val */
 
 		ASSERT(cur == NULL);
@@ -1812,8 +1830,7 @@
 	}
 
 	/* convert to a btree if necessary */
-	if (XFS_IFORK_FORMAT(bma->ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(bma->ip, whichfork) > ifp->if_ext_max) {
+	if (xfs_bmap_needs_btree(bma->ip, whichfork)) {
 		int	tmp_logflags;	/* partial log flag return val */
 
 		ASSERT(bma->cur == NULL);
@@ -3037,8 +3054,7 @@
 
 	ifp = XFS_IFORK_PTR(ip, whichfork);
 	ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS);
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
+
 	/*
 	 * Make space in the inode incore.
 	 */
@@ -3184,13 +3200,8 @@
 	    ip->i_d.di_format != XFS_DINODE_FMT_BTREE) {
 		uint	dfl_forkoff = xfs_default_attroffset(ip) >> 3;
 
-		if (dfl_forkoff > ip->i_d.di_forkoff) {
+		if (dfl_forkoff > ip->i_d.di_forkoff)
 			ip->i_d.di_forkoff = dfl_forkoff;
-			ip->i_df.if_ext_max =
-				XFS_IFORK_DSIZE(ip) / sizeof(xfs_bmbt_rec_t);
-			ip->i_afp->if_ext_max =
-				XFS_IFORK_ASIZE(ip) / sizeof(xfs_bmbt_rec_t);
-		}
 	}
 }
 
@@ -3430,8 +3441,6 @@
 	int			error;		/* error return value */
 
 	ASSERT(XFS_IFORK_Q(ip) == 0);
-	ASSERT(ip->i_df.if_ext_max ==
-	       XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
 
 	mp = ip->i_mount;
 	ASSERT(!XFS_NOT_DQATTACHED(mp, ip));
@@ -3486,12 +3495,9 @@
 		error = XFS_ERROR(EINVAL);
 		goto error1;
 	}
-	ip->i_df.if_ext_max =
-		XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
+
 	ASSERT(ip->i_afp == NULL);
 	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP);
-	ip->i_afp->if_ext_max =
-		XFS_IFORK_ASIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
 	ip->i_afp->if_flags = XFS_IFEXTENTS;
 	logflags = 0;
 	xfs_bmap_init(&flist, &firstblock);
@@ -3535,20 +3541,17 @@
 		} else
 			spin_unlock(&mp->m_sb_lock);
 	}
-	if ((error = xfs_bmap_finish(&tp, &flist, &committed)))
+
+	error = xfs_bmap_finish(&tp, &flist, &committed);
+	if (error)
 		goto error2;
-	error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
-	ASSERT(ip->i_df.if_ext_max ==
-	       XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
-	return error;
+	return xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES);
 error2:
 	xfs_bmap_cancel(&flist);
 error1:
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
 error0:
 	xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES|XFS_TRANS_ABORT);
-	ASSERT(ip->i_df.if_ext_max ==
-	       XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
 	return error;
 }
 
@@ -4379,8 +4382,6 @@
 	XFS_STATS_INC(xs_blk_mapr);
 
 	ifp = XFS_IFORK_PTR(ip, whichfork);
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
 
 	if (!(ifp->if_flags & XFS_IFEXTENTS)) {
 		error = xfs_iread_extents(NULL, ip, whichfork);
@@ -4871,8 +4872,6 @@
 		return XFS_ERROR(EIO);
 
 	ifp = XFS_IFORK_PTR(ip, whichfork);
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
 
 	XFS_STATS_INC(xs_blk_mapw);
 
@@ -4981,8 +4980,7 @@
 	/*
 	 * Transform from btree to extents, give it cur.
 	 */
-	if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE &&
-	    XFS_IFORK_NEXTENTS(ip, whichfork) <= ifp->if_ext_max) {
+	if (xfs_bmap_wants_extents(ip, whichfork)) {
 		int		tmp_logflags = 0;
 
 		ASSERT(bma.cur);
@@ -4992,10 +4990,10 @@
 		if (error)
 			goto error0;
 	}
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
+
 	ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE ||
-	       XFS_IFORK_NEXTENTS(ip, whichfork) > ifp->if_ext_max);
+	       XFS_IFORK_NEXTENTS(ip, whichfork) >
+		XFS_IFORK_MAXEXT(ip, whichfork));
 	error = 0;
 error0:
 	/*
@@ -5095,8 +5093,7 @@
 
 	ASSERT(len > 0);
 	ASSERT(nexts >= 0);
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
+
 	if (!(ifp->if_flags & XFS_IFEXTENTS) &&
 	    (error = xfs_iread_extents(tp, ip, whichfork)))
 		return error;
@@ -5322,7 +5319,8 @@
 		 */
 		if (!wasdel && xfs_trans_get_block_res(tp) == 0 &&
 		    XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
-		    XFS_IFORK_NEXTENTS(ip, whichfork) >= ifp->if_ext_max &&
+		    XFS_IFORK_NEXTENTS(ip, whichfork) >= /* Note the >= */
+			XFS_IFORK_MAXEXT(ip, whichfork) &&
 		    del.br_startoff > got.br_startoff &&
 		    del.br_startoff + del.br_blockcount <
 		    got.br_startoff + got.br_blockcount) {
@@ -5353,13 +5351,11 @@
 		}
 	}
 	*done = bno == (xfs_fileoff_t)-1 || bno < start || lastx < 0;
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
+
 	/*
 	 * Convert to a btree if necessary.
 	 */
-	if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(ip, whichfork) > ifp->if_ext_max) {
+	if (xfs_bmap_needs_btree(ip, whichfork)) {
 		ASSERT(cur == NULL);
 		error = xfs_bmap_extents_to_btree(tp, ip, firstblock, flist,
 			&cur, 0, &tmp_logflags, whichfork);
@@ -5370,8 +5366,7 @@
 	/*
 	 * transform from btree to extents, give it cur
 	 */
-	else if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE &&
-		 XFS_IFORK_NEXTENTS(ip, whichfork) <= ifp->if_ext_max) {
+	else if (xfs_bmap_wants_extents(ip, whichfork)) {
 		ASSERT(cur != NULL);
 		error = xfs_bmap_btree_to_extents(tp, ip, cur, &tmp_logflags,
 			whichfork);
@@ -5382,8 +5377,6 @@
 	/*
 	 * transform from extents to local?
 	 */
-	ASSERT(ifp->if_ext_max ==
-	       XFS_IFORK_SIZE(ip, whichfork) / (uint)sizeof(xfs_bmbt_rec_t));
 	error = 0;
 error0:
 	/*
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index 654dc6f..dd974a5 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -163,12 +163,14 @@
 
 	/* Check temp in extent form to max in target */
 	if (tip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) > ip->i_df.if_ext_max)
+	    XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) >
+			XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
 		return EINVAL;
 
 	/* Check target in extent form to max in temp */
 	if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
-	    XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) > tip->i_df.if_ext_max)
+	    XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) >
+			XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
 		return EINVAL;
 
 	/*
@@ -180,18 +182,25 @@
 	 * (a common defrag case) which will occur when the temp inode is in
 	 * extent format...
 	 */
-	if (tip->i_d.di_format == XFS_DINODE_FMT_BTREE &&
-	    ((XFS_IFORK_BOFF(ip) &&
-	      tip->i_df.if_broot_bytes > XFS_IFORK_BOFF(ip)) ||
-	     XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) <= ip->i_df.if_ext_max))
-		return EINVAL;
+	if (tip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
+		if (XFS_IFORK_BOFF(ip) &&
+		    tip->i_df.if_broot_bytes > XFS_IFORK_BOFF(ip))
+			return EINVAL;
+		if (XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) <=
+		    XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
+			return EINVAL;
+	}
 
 	/* Reciprocal target->temp btree format checks */
-	if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE &&
-	    ((XFS_IFORK_BOFF(tip) &&
-	      ip->i_df.if_broot_bytes > XFS_IFORK_BOFF(tip)) ||
-	     XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) <= tip->i_df.if_ext_max))
-		return EINVAL;
+	if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
+		if (XFS_IFORK_BOFF(tip) &&
+		    ip->i_df.if_broot_bytes > XFS_IFORK_BOFF(tip))
+			return EINVAL;
+
+		if (XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) <=
+		    XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
+			return EINVAL;
+	}
 
 	return 0;
 }
@@ -349,16 +358,6 @@
 	*tifp = *tempifp;	/* struct copy */
 
 	/*
-	 * Fix the in-memory data fork values that are dependent on the fork
-	 * offset in the inode. We can't assume they remain the same as attr2
-	 * has dynamic fork offsets.
-	 */
-	ifp->if_ext_max = XFS_IFORK_SIZE(ip, XFS_DATA_FORK) /
-					(uint)sizeof(xfs_bmbt_rec_t);
-	tifp->if_ext_max = XFS_IFORK_SIZE(tip, XFS_DATA_FORK) /
-					(uint)sizeof(xfs_bmbt_rec_t);
-
-	/*
 	 * Fix the on-disk inode values
 	 */
 	tmp = (__uint64_t)ip->i_d.di_nblocks;
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 3960a06..f180ce8 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -450,8 +450,6 @@
 
 	*ipp = ip;
 
-	ASSERT(ip->i_df.if_ext_max ==
-	       XFS_IFORK_DSIZE(ip) / sizeof(xfs_bmbt_rec_t));
 	/*
 	 * If we have a real type for an on-disk inode, we can set ops(&unlock)
 	 * now.	 If it's a new inode being created, xfs_ialloc will handle it.
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index ccd619a..96b29e3 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -299,11 +299,8 @@
 {
 	xfs_attr_shortform_t	*atp;
 	int			size;
-	int			error;
+	int			error = 0;
 	xfs_fsize_t             di_size;
-	ip->i_df.if_ext_max =
-		XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
-	error = 0;
 
 	if (unlikely(be32_to_cpu(dip->di_nextents) +
 		     be16_to_cpu(dip->di_anextents) >
@@ -409,10 +406,10 @@
 	}
 	if (!XFS_DFORK_Q(dip))
 		return 0;
+
 	ASSERT(ip->i_afp == NULL);
 	ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_SLEEP | KM_NOFS);
-	ip->i_afp->if_ext_max =
-		XFS_IFORK_ASIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
+
 	switch (dip->di_aformat) {
 	case XFS_DINODE_FMT_LOCAL:
 		atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip);
@@ -604,10 +601,11 @@
 	 * or the number of extents is greater than the number of
 	 * blocks.
 	 */
-	if (unlikely(XFS_IFORK_NEXTENTS(ip, whichfork) <= ifp->if_ext_max
-	    || XFS_BMDR_SPACE_CALC(nrecs) >
-			XFS_DFORK_SIZE(dip, ip->i_mount, whichfork)
-	    || XFS_IFORK_NEXTENTS(ip, whichfork) > ip->i_d.di_nblocks)) {
+	if (unlikely(XFS_IFORK_NEXTENTS(ip, whichfork) <=
+			XFS_IFORK_MAXEXT(ip, whichfork) ||
+		     XFS_BMDR_SPACE_CALC(nrecs) >
+			XFS_DFORK_SIZE(dip, ip->i_mount, whichfork) ||
+		     XFS_IFORK_NEXTENTS(ip, whichfork) > ip->i_d.di_nblocks)) {
 		xfs_warn(ip->i_mount, "corrupt inode %Lu (btree).",
 			(unsigned long long) ip->i_ino);
 		XFS_CORRUPTION_ERROR("xfs_iformat_btree", XFS_ERRLEVEL_LOW,
@@ -835,12 +833,6 @@
 		 * with the uninitialized part of it.
 		 */
 		ip->i_d.di_mode = 0;
-		/*
-		 * Initialize the per-fork minima and maxima for a new
-		 * inode here.  xfs_iformat will do it for old inodes.
-		 */
-		ip->i_df.if_ext_max =
-			XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
 	}
 
 	/*
@@ -1740,8 +1732,6 @@
 	ip->i_d.di_flags = 0;
 	ip->i_d.di_dmevmask = 0;
 	ip->i_d.di_forkoff = 0;		/* mark the attr fork not in use */
-	ip->i_df.if_ext_max =
-		XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t);
 	ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
 	ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
 	/*
@@ -2408,7 +2398,7 @@
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
 	ASSERT(!completion_done(&ip->i_flush));
 	ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
-	       ip->i_d.di_nextents > ip->i_df.if_ext_max);
+	       ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
 
 	iip = ip->i_itemp;
 	mp = ip->i_mount;
@@ -2524,7 +2514,7 @@
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
 	ASSERT(!completion_done(&ip->i_flush));
 	ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
-	       ip->i_d.di_nextents > ip->i_df.if_ext_max);
+	       ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
 
 	iip = ip->i_itemp;
 	mp = ip->i_mount;
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index c157472..47497e1 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -66,7 +66,6 @@
 	struct xfs_btree_block	*if_broot;	/* file's incore btree root */
 	short			if_broot_bytes;	/* bytes allocated for root */
 	unsigned char		if_flags;	/* per-fork flags */
-	unsigned char		if_ext_max;	/* max # of extent records */
 	union {
 		xfs_bmbt_rec_host_t *if_extents;/* linear map file exts */
 		xfs_ext_irec_t	*if_ext_irec;	/* irec map file exts */
@@ -206,7 +205,8 @@
 	((w) == XFS_DATA_FORK ? \
 		((ip)->i_d.di_nextents = (n)) : \
 		((ip)->i_d.di_anextents = (n)))
-
+#define XFS_IFORK_MAXEXT(ip, w) \
+	(XFS_IFORK_SIZE(ip, w) / sizeof(xfs_bmbt_rec_t))
 
 
 #ifdef __KERNEL__
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index cfd6c7f..2b6b4fc 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -79,8 +79,6 @@
 		break;
 
 	case XFS_DINODE_FMT_BTREE:
-		ASSERT(ip->i_df.if_ext_max ==
-		       XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
 		iip->ili_format.ilf_fields &=
 			~(XFS_ILOG_DDATA | XFS_ILOG_DEXT |
 			  XFS_ILOG_DEV | XFS_ILOG_UUID);
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 297f9fa..81efa04 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1568,7 +1568,6 @@
 		__field(xfs_ino_t, ino)
 		__field(int, format)
 		__field(int, nex)
-		__field(int, max_nex)
 		__field(int, broot_size)
 		__field(int, fork_off)
 	),
@@ -1578,18 +1577,16 @@
 		__entry->ino = ip->i_ino;
 		__entry->format = ip->i_d.di_format;
 		__entry->nex = ip->i_d.di_nextents;
-		__entry->max_nex = ip->i_df.if_ext_max;
 		__entry->broot_size = ip->i_df.if_broot_bytes;
 		__entry->fork_off = XFS_IFORK_BOFF(ip);
 	),
 	TP_printk("dev %d:%d ino 0x%llx (%s), %s format, num_extents %d, "
-		  "Max in-fork extents %d, broot size %d, fork offset %d",
+		  "broot size %d, fork offset %d",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  __print_symbolic(__entry->which, XFS_SWAPEXT_INODES),
 		  __print_symbolic(__entry->format, XFS_INODE_FORMAT_STR),
 		  __entry->nex,
-		  __entry->max_nex,
 		  __entry->broot_size,
 		  __entry->fork_off)
 )