[Xen-devel] [PATCH] Support for zfs version 16.

[Susan Kamm-Worrell <Susan.Kamm-Worrell@xxxxxxx>]

# HG changeset patch
# User Susan Kamm-Worrell <Susan.Kamm-Worrell@xxxxxxx>
# Date 1246570286 25200
# Node ID 02317bbdeb279f32c841127455e21d5e99279b3b
# Parent  033debac041b0ea88fab4a1d70d3247d2d7fe52c
Support for zfs version 16.

Remove version checks to support boot of ZFS root filesystem version 16.

Signed-off-by: Susan Kamm-Worrell <susan.kamm-worrell@xxxxxxx>

diff --git a/tools/libfsimage/zfs/fsys_zfs.c b/tools/libfsimage/zfs/fsys_zfs.c
--- a/tools/libfsimage/zfs/fsys_zfs.c
+++ b/tools/libfsimage/zfs/fsys_zfs.c
@@ -297,8 +297,7 @@
        if (zio_checksum_verify(&bp, (char *)ub, UBERBLOCK_SIZE) != 0)
                return (-1);
 
-       if (uber->ub_magic == UBERBLOCK_MAGIC &&
-           uber->ub_version > 0 && uber->ub_version <= SPA_VERSION)
+       if (uber->ub_magic == UBERBLOCK_MAGIC && uber->ub_version > 0)
                return (0);
 
        return (-1);
@@ -761,8 +760,6 @@
 
        if ((errnum = zap_lookup(ffi, dn, ZPL_VERSION_STR, &version, stack)))
                return (errnum);
-       if (version > ZPL_VERSION)
-               return (-1);
 
        if ((errnum = zap_lookup(ffi, dn, ZFS_ROOT_OBJ, &objnum, stack)))
                return (errnum);
diff --git a/tools/libfsimage/zfs/zfs-include/dmu_objset.h 
b/tools/libfsimage/zfs/zfs-include/dmu_objset.h
--- a/tools/libfsimage/zfs/zfs-include/dmu_objset.h
+++ b/tools/libfsimage/zfs/zfs-include/dmu_objset.h
@@ -17,7 +17,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -28,8 +28,11 @@
        dnode_phys_t os_meta_dnode;
        zil_header_t os_zil_header;
        uint64_t os_type;
-       char os_pad[1024 - sizeof (dnode_phys_t) - sizeof (zil_header_t) -
-           sizeof (uint64_t)];
+       uint64_t os_flags;
+       char os_pad[2048 - sizeof (dnode_phys_t)*3 -
+           sizeof (zil_header_t) - sizeof (uint64_t)*2];
+       dnode_phys_t os_userused_dnode;
+       dnode_phys_t os_groupused_dnode;
 } objset_phys_t;
 
 #endif /* _SYS_DMU_OBJSET_H */
diff --git a/tools/libfsimage/zfs/zfs-include/zfs.h 
b/tools/libfsimage/zfs/zfs-include/zfs.h
--- a/tools/libfsimage/zfs/zfs-include/zfs.h
+++ b/tools/libfsimage/zfs/zfs-include/zfs.h
@@ -17,7 +17,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -28,7 +28,7 @@
 /*
  * On-disk version number.
  */
-#define        SPA_VERSION                     14ULL
+#define        SPA_VERSION                     16ULL
 
 /*
  * The following are configuration names used in the nvlist describing a pool's
diff --git a/tools/libfsimage/zfs/zfs-include/zfs_znode.h 
b/tools/libfsimage/zfs/zfs-include/zfs_znode.h
--- a/tools/libfsimage/zfs/zfs-include/zfs_znode.h
+++ b/tools/libfsimage/zfs/zfs-include/zfs_znode.h
@@ -17,7 +17,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -28,7 +28,7 @@
 #define        ZFS_ROOT_OBJ            "ROOT"
 #define        ZPL_VERSION_STR         "VERSION"
 
-#define        ZPL_VERSION             3ULL
+#define        ZPL_VERSION             4ULL
 
 #define        ZFS_DIRENT_OBJ(de) BF64_GET(de, 0, 48)
 

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