diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 8bb2a32..af570ce 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -1592,6 +1592,7 @@ xfs_free_ag_extent(
 	xfs_agnumber_t	agno,	/* allocation group number */
 	xfs_agblock_t	bno,	/* starting block number */
 	xfs_extlen_t	len,	/* length of extent */
+	uint64_t	owner,	/* extent owner */
 	int		isfl)	/* set if is freelist blocks - no sb acctg */
 {
 	xfs_btree_cur_t	*bno_cur;	/* cursor for by-block btree */
@@ -2018,7 +2019,8 @@ xfs_alloc_fix_freelist(
 		error = xfs_alloc_get_freelist(tp, agbp, &bno, 0);
 		if (error)
 			goto out_agbp_relse;
-		error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1, 1);
+		error = xfs_free_ag_extent(tp, agbp, args->agno, bno, 1,
+					   XFS_RMAP_OWN_AG, 1);
 		if (error)
 			goto out_agbp_relse;
 		bp = xfs_btree_get_bufs(mp, tp, args->agno, bno, 0);
@@ -2028,6 +2030,7 @@ xfs_alloc_fix_freelist(
 	memset(&targs, 0, sizeof(targs));
 	targs.tp = tp;
 	targs.mp = mp;
+	targs.owner = XFS_RMAP_OWN_AG;
 	targs.agbp = agbp;
 	targs.agno = args->agno;
 	targs.alignment = targs.minlen = targs.prod = targs.isfl = 1;
@@ -2668,7 +2671,8 @@ int				/* error */
 xfs_free_extent(
 	xfs_trans_t	*tp,	/* transaction pointer */
 	xfs_fsblock_t	bno,	/* starting block number of extent */
-	xfs_extlen_t	len)	/* length of extent */
+	xfs_extlen_t	len,	/* length of extent */
+	uint64_t	owner)	/* extent owner */
 {
 	xfs_alloc_arg_t	args;
 	int		error;
@@ -2704,7 +2708,8 @@ xfs_free_extent(
 		goto error0;
 	}
 
-	error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno, len, 0);
+	error = xfs_free_ag_extent(tp, args.agbp, args.agno, args.agbno,
+				   len, owner, 0);
 	if (!error)
 		xfs_extent_busy_insert(tp, args.agno, args.agbno, len, 0);
 error0:
diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index 1993644..cff44e0 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -122,6 +122,7 @@ typedef struct xfs_alloc_arg {
 	char		isfl;		/* set if is freelist blocks - !acctg */
 	char		userdata;	/* set if this is user data */
 	xfs_fsblock_t	firstblock;	/* io first block allocated */
+	uint64_t	owner;		/* owner of blocks being allocated */
 } xfs_alloc_arg_t;
 
 /*
@@ -208,7 +209,8 @@ int				/* error */
 xfs_free_extent(
 	struct xfs_trans *tp,	/* transaction pointer */
 	xfs_fsblock_t	bno,	/* starting block number of extent */
-	xfs_extlen_t	len);	/* length of extent */
+	xfs_extlen_t	len,	/* length of extent */
+	uint64_t	owner);	/* extent owner */
 
 int					/* error */
 xfs_alloc_lookup_le(
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 8e2010d..d4c2c4a 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -567,10 +567,11 @@ xfs_bmap_validate_ret(
  */
 void
 xfs_bmap_add_free(
+	struct xfs_mount	*mp,		/* mount point structure */
+	struct xfs_bmap_free	*flist,		/* list of extents */
 	xfs_fsblock_t		bno,		/* fs block number of extent */
 	xfs_filblks_t		len,		/* length of extent */
-	xfs_bmap_free_t		*flist,		/* list of extents */
-	xfs_mount_t		*mp)		/* mount point structure */
+	uint64_t		owner)		/* extent owner */
 {
 	xfs_bmap_free_item_t	*cur;		/* current (next) element */
 	xfs_bmap_free_item_t	*new;		/* new element */
@@ -591,9 +592,12 @@ xfs_bmap_add_free(
 	ASSERT(agbno + len <= mp->m_sb.sb_agblocks);
 #endif
 	ASSERT(xfs_bmap_free_item_zone != NULL);
+	ASSERT(owner);
+
 	new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
 	new->xbfi_startblock = bno;
 	new->xbfi_blockcount = (xfs_extlen_t)len;
+	new->xbfi_owner = owner;
 	for (prev = NULL, cur = flist->xbf_first;
 	     cur != NULL;
 	     prev = cur, cur = cur->xbfi_next) {
@@ -696,7 +700,7 @@ xfs_bmap_btree_to_extents(
 	cblock = XFS_BUF_TO_BLOCK(cbp);
 	if ((error = xfs_btree_check_block(cur, cblock, 0, cbp)))
 		return error;
-	xfs_bmap_add_free(cbno, 1, cur->bc_private.b.flist, mp);
+	xfs_bmap_add_free(mp, cur->bc_private.b.flist, cbno, 1, ip->i_ino);
 	ip->i_d.di_nblocks--;
 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
 	xfs_trans_binval(tp, cbp);
@@ -777,6 +781,7 @@ xfs_bmap_extents_to_btree(
 	memset(&args, 0, sizeof(args));
 	args.tp = tp;
 	args.mp = mp;
+	args.owner = ip->i_ino;
 	args.firstblock = *firstblock;
 	if (*firstblock == NULLFSBLOCK) {
 		args.type = XFS_ALLOCTYPE_START_BNO;
@@ -923,6 +928,7 @@ xfs_bmap_local_to_extents(
 	memset(&args, 0, sizeof(args));
 	args.tp = tp;
 	args.mp = ip->i_mount;
+	args.owner = ip->i_ino;
 	args.firstblock = *firstblock;
 	/*
 	 * Allocate a block.  We know we need only one, since the
@@ -3703,6 +3709,7 @@ xfs_bmap_btalloc(
 	memset(&args, 0, sizeof(args));
 	args.tp = ap->tp;
 	args.mp = mp;
+	args.owner = ap->ip->i_ino;
 	args.fsbno = ap->blkno;
 
 	/* Trim the allocation back to the maximum an AG can fit. */
@@ -4977,8 +4984,8 @@ xfs_bmap_del_extent(
 	 * If we need to, add to list of extents to delete.
 	 */
 	if (do_fx)
-		xfs_bmap_add_free(del->br_startblock, del->br_blockcount, flist,
-			mp);
+		xfs_bmap_add_free(mp, flist, del->br_startblock,
+				  del->br_blockcount, ip->i_ino);
 	/*
 	 * Adjust inode # blocks in the file.
 	 */
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 6aaa0c1..674819f 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -66,6 +66,7 @@ typedef struct xfs_bmap_free_item
 {
 	xfs_fsblock_t		xbfi_startblock;/* starting fs block number */
 	xfs_extlen_t		xbfi_blockcount;/* number of blocks in extent */
+	uint64_t		xbfi_owner;	/* extent owner */
 	struct xfs_bmap_free_item *xbfi_next;	/* link to next entry */
 } xfs_bmap_free_item_t;
 
@@ -182,8 +183,8 @@ void	xfs_bmap_trace_exlist(struct xfs_inode *ip, xfs_extnum_t cnt,
 
 int	xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
 void	xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
-void	xfs_bmap_add_free(xfs_fsblock_t bno, xfs_filblks_t len,
-		struct xfs_bmap_free *flist, struct xfs_mount *mp);
+void	xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist,
+			  xfs_fsblock_t bno, xfs_filblks_t len, uint64_t owner);
 void	xfs_bmap_cancel(struct xfs_bmap_free *flist);
 int	xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
 			int *committed);
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 6b0cf65..fcbbbef 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -446,6 +446,7 @@ xfs_bmbt_alloc_block(
 	args.mp = cur->bc_mp;
 	args.fsbno = cur->bc_private.b.firstblock;
 	args.firstblock = args.fsbno;
+	args.owner = cur->bc_private.b.ip->i_ino;
 
 	if (args.fsbno == NULLFSBLOCK) {
 		args.fsbno = be64_to_cpu(start->l);
@@ -526,7 +527,7 @@ xfs_bmbt_free_block(
 	struct xfs_trans	*tp = cur->bc_tp;
 	xfs_fsblock_t		fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp));
 
-	xfs_bmap_add_free(fsbno, 1, cur->bc_private.b.flist, mp);
+	xfs_bmap_add_free(mp, cur->bc_private.b.flist, fsbno, 1, ip->i_ino);
 	ip->i_d.di_nblocks--;
 
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index a926134..b1e11ba 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1304,6 +1304,22 @@ typedef __be32 xfs_inobt_ptr_t;
  */
 #define	XFS_RMAP_CRC_MAGIC	0x524d4233	/* 'RMB3' */
 
+/*
+ * Special owner types.
+ *
+ * Seeing as we only support up to 8EB, we have the upper bit of the owner field
+ * to tell us we have a special owner value. We use these for static metadata
+ * allocated at mkfs/growfs time, as well as for freespace management metadata.
+ */
+#define XFS_RMAP_OWN_NULL	(-1ULL)	/* No owner, for growfs */
+#define XFS_RMAP_OWN_UNKNOWN	(-2ULL)	/* Unknown owner, for EFI recovery */
+#define XFS_RMAP_OWN_FS		(-3ULL)	/* static fs metadata */
+#define XFS_RMAP_OWN_LOG	(-4ULL)	/* static fs metadata */
+#define XFS_RMAP_OWN_AG		(-5ULL)	/* AG freespace btree blocks */
+#define XFS_RMAP_OWN_INOBT	(-6ULL)	/* Inode btree blocks */
+#define XFS_RMAP_OWN_INODES	(-7ULL)	/* Inode chunk */
+#define XFS_RMAP_OWN_MIN	(-8ULL) /* guard */
+
 #define	XFS_RMAP_BLOCK(mp) \
 	(xfs_sb_version_hasfinobt(&((mp)->m_sb)) ? \
 	 XFS_FIBT_BLOCK(mp) + 1 : \
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 54deb2d..ed91eb5 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -613,6 +613,7 @@ xfs_ialloc_ag_alloc(
 	args.tp = tp;
 	args.mp = tp->t_mountp;
 	args.fsbno = NULLFSBLOCK;
+	args.owner = XFS_RMAP_OWN_INODES;
 
 #ifdef DEBUG
 	/* randomly do sparse inode allocations */
@@ -1827,9 +1828,8 @@ xfs_difree_inode_chunk(
 
 	if (!xfs_inobt_issparse(rec->ir_holemask)) {
 		/* not sparse, calculate extent info directly */
-		xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno,
-				  XFS_AGINO_TO_AGBNO(mp, rec->ir_startino)),
-				  mp->m_ialloc_blks, flist, mp);
+		xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, sagbno),
+				  mp->m_ialloc_blks, XFS_RMAP_OWN_INODES);
 		return;
 	}
 
@@ -1872,8 +1872,8 @@ xfs_difree_inode_chunk(
 
 		ASSERT(agbno % mp->m_sb.sb_spino_align == 0);
 		ASSERT(contigblk % mp->m_sb.sb_spino_align == 0);
-		xfs_bmap_add_free(XFS_AGB_TO_FSB(mp, agno, agbno), contigblk,
-				  flist, mp);
+		xfs_bmap_add_free(mp, flist, XFS_AGB_TO_FSB(mp, agno, agbno),
+				  contigblk, XFS_RMAP_OWN_INODES);
 
 		/* reset range to current bit and carry on... */
 		startidx = endidx = nextbit;
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index f39b285..445245f 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -96,6 +96,7 @@ xfs_inobt_alloc_block(
 	memset(&args, 0, sizeof(args));
 	args.tp = cur->bc_tp;
 	args.mp = cur->bc_mp;
+	args.owner = XFS_RMAP_OWN_INOBT;
 	args.fsbno = XFS_AGB_TO_FSB(args.mp, cur->bc_private.a.agno, sbno);
 	args.minlen = 1;
 	args.maxlen = 1;
@@ -129,7 +130,7 @@ xfs_inobt_free_block(
 	int			error;
 
 	fsbno = XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp));
-	error = xfs_free_extent(cur->bc_tp, fsbno, 1);
+	error = xfs_free_extent(cur->bc_tp, fsbno, 1, XFS_RMAP_OWN_INOBT);
 	if (error)
 		return error;
 
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 3bf4ad0..f1081de 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -122,7 +122,8 @@ xfs_bmap_finish(
 		next = free->xbfi_next;
 
 		error = xfs_trans_free_extent(*tp, efd, free->xbfi_startblock,
-					      free->xbfi_blockcount);
+					      free->xbfi_blockcount,
+					      free->xbfi_owner);
 		if (error)
 			return error;
 
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 32e24ec..5711700 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -466,14 +466,19 @@ xfs_growfs_data_private(
 		       be32_to_cpu(agi->agi_length));
 
 		xfs_alloc_log_agf(tp, bp, XFS_AGF_LENGTH);
+
 		/*
 		 * Free the new space.
+		 *
+		 * XFS_RMAP_OWN_NULL is used here to tell the rmap btree that
+		 * this doesn't actually exist in the rmap btree.
 		 */
-		error = xfs_free_extent(tp, XFS_AGB_TO_FSB(mp, agno,
-			be32_to_cpu(agf->agf_length) - new), new);
-		if (error) {
+		error = xfs_free_extent(tp,
+				XFS_AGB_TO_FSB(mp, agno,
+					be32_to_cpu(agf->agf_length) - new),
+				new, XFS_RMAP_OWN_NULL);
+		if (error)
 			goto error0;
-		}
 	}
 
 	/*
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 512a094..242ed5d 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3821,7 +3821,8 @@ xlog_recover_process_efi(
 	for (i = 0; i < efip->efi_format.efi_nextents; i++) {
 		extp = &(efip->efi_format.efi_extents[i]);
 		error = xfs_trans_free_extent(tp, efdp, extp->ext_start,
-					      extp->ext_len);
+					      extp->ext_len,
+					      XFS_RMAP_OWN_UNKNOWN);
 		if (error)
 			goto abort_error;
 
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 4643070..ee277fa 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -222,7 +222,7 @@ struct xfs_efd_log_item	*xfs_trans_get_efd(xfs_trans_t *,
 				  uint);
 int		xfs_trans_free_extent(struct xfs_trans *,
 				      struct xfs_efd_log_item *, xfs_fsblock_t,
-				      xfs_extlen_t);
+				      xfs_extlen_t, uint64_t);
 int		xfs_trans_commit(struct xfs_trans *);
 int		__xfs_trans_roll(struct xfs_trans **, struct xfs_inode *, int *);
 int		xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c
index a96ae54..1b7d6d5 100644
--- a/fs/xfs/xfs_trans_extfree.c
+++ b/fs/xfs/xfs_trans_extfree.c
@@ -118,13 +118,14 @@ xfs_trans_free_extent(
 	struct xfs_trans	*tp,
 	struct xfs_efd_log_item	*efdp,
 	xfs_fsblock_t		start_block,
-	xfs_extlen_t		ext_len)
+	xfs_extlen_t		ext_len,
+	uint64_t		owner)
 {
 	uint			next_extent;
 	struct xfs_extent	*extp;
 	int			error;
 
-	error = xfs_free_extent(tp, start_block, ext_len);
+	error = xfs_free_extent(tp, start_block, ext_len, owner);
 
 	/*
 	 * Mark the transaction dirty, even on error. This ensures the
