QA output created by 040
--- xfsprogs/libxfs/xfs_alloc.c
+++ kernel/libxfs/xfs_alloc.c
@@ -XXXX,X +YYYY,Y @@
 		pag->pagf_refcount_level = be32_to_cpu(agf->agf_refcount_level);
 		spin_lock_init(&pag->pagb_lock);
 		pag->pagb_count = 0;
-		/* XXX: pagb_tree doesn't exist in userspace */
-		//pag->pagb_tree = RB_ROOT;
+		pag->pagb_tree = RB_ROOT;
 		pag->pagf_init = 1;
 	}
 #ifdef DEBUG
--- xfsprogs/libxfs/xfs_btree.c
+++ kernel/libxfs/xfs_btree.c
@@ -XXXX,X +YYYY,Y @@
 	return error;
 }
 
-#ifdef __KERNEL__
 struct xfs_btree_split_args {
 	struct xfs_btree_cur	*cur;
 	int			level;
@@ -XXXX,X +YYYY,Y @@
 	destroy_work_on_stack(&args.work);
 	return args.result;
 }
-#else /* !KERNEL */
-#define xfs_btree_split	__xfs_btree_split
-#endif
 
 
 /*
--- xfsprogs/libxfs/xfs_dir2_sf.c
+++ kernel/libxfs/xfs_dir2_sf.c
@@ -XXXX,X +YYYY,Y @@
 		 * Calculate the new size, see if we should give up yet.
 		 */
 		size = xfs_dir2_sf_hdr_size(i8count) +	/* header */
-		       count * 3 * sizeof(__u8) +	/* namelen + offset */
+		       count * 3 * sizeof(u8) +		/* namelen + offset */
 		       namelen +			/* name */
 		       (i8count ?			/* inumber */
 				count * XFS_INO64_SIZE :
--- xfsprogs/libxfs/xfs_fs.h
+++ kernel/libxfs/xfs_fs.h
@@ -XXXX,X +YYYY,Y @@
 #endif
 
 /*
- * Flags for the bs_xflags/fsx_xflags field in XFS_IOC_FS[GS]ETXATTR[A]
- * These are for backwards compatibility only. New code should
- * use the kernel [4.5 onwards] defined FS_XFLAG_* definitions directly.
- */
-#define	XFS_XFLAG_REALTIME	FS_XFLAG_REALTIME
-#define	XFS_XFLAG_PREALLOC	FS_XFLAG_PREALLOC
-#define	XFS_XFLAG_IMMUTABLE	FS_XFLAG_IMMUTABLE
-#define	XFS_XFLAG_APPEND	FS_XFLAG_APPEND
-#define	XFS_XFLAG_SYNC		FS_XFLAG_SYNC
-#define	XFS_XFLAG_NOATIME	FS_XFLAG_NOATIME
-#define	XFS_XFLAG_NODUMP	FS_XFLAG_NODUMP
-#define	XFS_XFLAG_RTINHERIT	FS_XFLAG_RTINHERIT
-#define	XFS_XFLAG_PROJINHERIT	FS_XFLAG_PROJINHERIT
-#define	XFS_XFLAG_NOSYMLINKS	FS_XFLAG_NOSYMLINKS
-#define	XFS_XFLAG_EXTSIZE	FS_XFLAG_EXTSIZE
-#define	XFS_XFLAG_EXTSZINHERIT	FS_XFLAG_EXTSZINHERIT
-#define	XFS_XFLAG_NODEFRAG	FS_XFLAG_NODEFRAG
-#define	XFS_XFLAG_FILESTREAM	FS_XFLAG_FILESTREAM
-#define	XFS_XFLAG_HASATTR	FS_XFLAG_HASATTR
-
-/*
  * Structure for XFS_IOC_GETBMAP.
  * On input, fill in bmv_offset and bmv_length of the first structure
  * to indicate the area of interest in the file, and bmv_entries with
@@ -XXXX,X +YYYY,Y @@
 #define XFS_IOC_GET_AG_RESBLKS	     _IOR ('X', 126, struct xfs_fsop_ag_resblks)
 /*	XFS_IOC_GETFSUUID ---------- deprecated 140	 */
 
-/* reflink ioctls; these MUST match the btrfs ioctl definitions */
-/* from struct btrfs_ioctl_clone_range_args */
-struct xfs_clone_args {
-	__s64 src_fd;
-	__u64 src_offset;
-	__u64 src_length;
-	__u64 dest_offset;
-};
-
-/* extent-same (dedupe) ioctls; these MUST match the btrfs ioctl definitions */
-#define XFS_EXTENT_DATA_SAME	0
-#define XFS_EXTENT_DATA_DIFFERS	1
-
-/* from struct btrfs_ioctl_file_extent_same_info */
-struct xfs_extent_data_info {
-	__s64 fd;		/* in - destination file */
-	__u64 logical_offset;	/* in - start of extent in destination */
-	__u64 bytes_deduped;	/* out - total # of bytes we were able
-				 * to dedupe from this file */
-	/* status of this dedupe operation:
-	 * < 0 for error
-	 * == XFS_EXTENT_DATA_SAME if dedupe succeeds
-	 * == XFS_EXTENT_DATA_DIFFERS if data differs
-	 */
-	__s32 status;		/* out - see above description */
-	__u32 reserved;
-};
-
-/* from struct btrfs_ioctl_file_extent_same_args */
-struct xfs_extent_data {
-	__u64 logical_offset;	/* in - start of extent in source */
-	__u64 length;		/* in - length of extent */
-	__u16 dest_count;	/* in - total elements in info array */
-	__u16 reserved1;
-	__u32 reserved2;
-	struct xfs_extent_data_info info[0];
-};
-
-#define XFS_IOC_CLONE		 _IOW (0x94, 9, int)
-#define XFS_IOC_CLONE_RANGE	 _IOW (0x94, 13, struct xfs_clone_args)
-#define XFS_IOC_FILE_EXTENT_SAME _IOWR(0x94, 54, struct xfs_extent_data)
 
 #ifndef HAVE_BBMACROS
 /*
--- xfsprogs/libxfs/xfs_inode_fork.c
+++ kernel/libxfs/xfs_inode_fork.c
@@ -XXXX,X +YYYY,Y @@
 	xfs_ifork_t	*ifp,		/* inode fork pointer */
 	int		new_size)	/* new indirection array size */
 {
-#ifdef DEBUG
 	int		nlists;		/* number of irec's (ex lists) */
 	int		size;		/* current indirection array size */
 
@@ -XXXX,X +YYYY,Y @@
 	size = nlists * sizeof(xfs_ext_irec_t);
 	ASSERT(ifp->if_real_bytes);
 	ASSERT((new_size >= 0) && (new_size != size));
-#endif
 	if (new_size == 0) {
 		xfs_iext_destroy(ifp);
 	} else {
--- xfsprogs/libxfs/xfs_sb.c
+++ kernel/libxfs/xfs_sb.c
@@ -XXXX,X +YYYY,Y @@
 	}
 
 	/*
+	 * Until this is fixed only page-sized or smaller data blocks work.
+	 */
+	if (unlikely(sbp->sb_blocksize > PAGE_SIZE)) {
+		xfs_warn(mp,
+		"File system with blocksize %d bytes. "
+		"Only pagesize (%ld) or less will currently work.",
+				sbp->sb_blocksize, PAGE_SIZE);
+		return -ENOSYS;
+	}
+
+	/*
 	 * Currently only very few inode sizes are supported.
 	 */
 	switch (sbp->sb_inodesize) {
@@ -XXXX,X +YYYY,Y @@
 		return -EFBIG;
 	}
 
+	if (check_inprogress && sbp->sb_inprogress) {
+		xfs_warn(mp, "Offline file system operation in progress!");
+		return -EFSCORRUPTED;
+	}
 	return 0;
 }