X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdo.c;h=0367cfd1bef67a7fbdc17f6ade59f0ee971089b3;hb=ff5eb304fa371d879da38621fac3aec7d4548a5e;hp=996ef58d4ccf3b2940e9fb5f35106cab19d0c0b9;hpb=e74a5707a7977045fc7c4aa3765539c5151340bf;p=fs%2Flustre-release.git

diff --git a/lustre/obdclass/obdo.c b/lustre/obdclass/obdo.c
index 996ef58..0367cfd 100644
--- a/lustre/obdclass/obdo.c
+++ b/lustre/obdclass/obdo.c
@@ -1,378 +1,227 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- * Object Devices Class Driver
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
- *  Copyright (C) 2001-2003 Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
  *
- *   This file is part of Lustre, http://www.lustre.org.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
  *
- *   Lustre is free software; you can redistribute it and/or
- *   modify it under the terms of version 2 of the GNU General Public
- *   License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
  *
- *   Lustre is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *   GNU General Public License for more details.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
  *
- *   You should have received a copy of the GNU General Public License
- *   along with Lustre; if not, write to the Free Software
- *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright (c) 2012, 2017, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
  *
+ * lustre/obdclass/obdo.c
+ *
+ * Object Devices Class Driver
  * These are the only exported functions, they provide some generic
  * infrastructure for managing object devices
  */
 
 #define DEBUG_SUBSYSTEM S_CLASS
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
 
-#ifndef __KERNEL__
-#include <liblustre.h>
-#else
-#include <linux/module.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_idl.h>
+#include <linux/user_namespace.h>
+#ifdef HAVE_UIDGID_HEADER
+# include <linux/uidgid.h>
 #endif
+#include <obd_class.h>
+#include <lustre_obdo.h>
 
-#ifdef __KERNEL__
-#include <linux/fs.h>
-#include <linux/pagemap.h> /* for PAGE_CACHE_SIZE */
-
-void obdo_from_iattr(struct obdo *oa, struct iattr *attr, unsigned int ia_valid)
+void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent)
 {
-        if (ia_valid & ATTR_ATIME) {
-                oa->o_atime = LTIME_S(attr->ia_atime);
-                oa->o_valid |= OBD_MD_FLATIME;
-        }
-        if (ia_valid & ATTR_MTIME) {
-                oa->o_mtime = LTIME_S(attr->ia_mtime);
-                oa->o_valid |= OBD_MD_FLMTIME;
-        }
-        if (ia_valid & ATTR_CTIME) {
-                oa->o_ctime = LTIME_S(attr->ia_ctime);
-                oa->o_valid |= OBD_MD_FLCTIME;
-        }
-        if (ia_valid & ATTR_SIZE) {
-                oa->o_size = attr->ia_size;
-                oa->o_valid |= OBD_MD_FLSIZE;
-        }
-        if (ia_valid & ATTR_MODE) {
-                oa->o_mode = attr->ia_mode;
-                oa->o_valid |= OBD_MD_FLTYPE | OBD_MD_FLMODE;
-                if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
-                        oa->o_mode &= ~S_ISGID;
-        }
-        if (ia_valid & ATTR_UID) {
-                oa->o_uid = attr->ia_uid;
-                oa->o_valid |= OBD_MD_FLUID;
-        }
-        if (ia_valid & ATTR_GID) {
-                oa->o_gid = attr->ia_gid;
-                oa->o_valid |= OBD_MD_FLGID;
-        }
+	dst->o_parent_oid = fid_oid(parent);
+	dst->o_parent_seq = fid_seq(parent);
+	dst->o_parent_ver = fid_ver(parent);
+	dst->o_valid |= OBD_MD_FLPARENT | OBD_MD_FLFID;
 }
-EXPORT_SYMBOL(obdo_from_iattr);
+EXPORT_SYMBOL(obdo_set_parent_fid);
 
-void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid)
+void obdo_set_o_projid(struct obdo *dst, u32 projid)
 {
-        valid &= oa->o_valid;
-
-        if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
-                CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
-                       oa->o_valid, (long)oa->o_mtime, (long)oa->o_ctime);
-
-        attr->ia_valid = 0;
-        if (valid & OBD_MD_FLATIME) {
-                LTIME_S(attr->ia_atime) = oa->o_atime;
-                attr->ia_valid |= ATTR_ATIME;
-        }
-        if (valid & OBD_MD_FLMTIME) {
-                LTIME_S(attr->ia_mtime) = oa->o_mtime;
-                attr->ia_valid |= ATTR_MTIME;
-        }
-        if (valid & OBD_MD_FLCTIME) {
-                LTIME_S(attr->ia_ctime) = oa->o_ctime;
-                attr->ia_valid |= ATTR_CTIME;
-        }
-        if (valid & OBD_MD_FLSIZE) {
-                attr->ia_size = oa->o_size;
-                attr->ia_valid |= ATTR_SIZE;
-        }
-#if 0   /* you shouldn't be able to change a file's type with setattr */
-        if (valid & OBD_MD_FLTYPE) {
-                attr->ia_mode = (attr->ia_mode & ~S_IFMT)|(oa->o_mode & S_IFMT);
-                attr->ia_valid |= ATTR_MODE;
-        }
-#endif
-        if (valid & OBD_MD_FLMODE) {
-                attr->ia_mode = (attr->ia_mode & S_IFMT)|(oa->o_mode & ~S_IFMT);
-                attr->ia_valid |= ATTR_MODE;
-                if (!in_group_p(oa->o_gid) && !capable(CAP_FSETID))
-                        attr->ia_mode &= ~S_ISGID;
-        }
-        if (valid & OBD_MD_FLUID) {
-                attr->ia_uid = oa->o_uid;
-                attr->ia_valid |= ATTR_UID;
-        }
-        if (valid & OBD_MD_FLGID) {
-                attr->ia_gid = oa->o_gid;
-                attr->ia_valid |= ATTR_GID;
-        }
-        if (valid & OBD_MD_FLFLAGS) {
-                attr->ia_attr_flags = oa->o_flags;
-                attr->ia_valid |= ATTR_ATTR_FLAG;
-        }
+	dst->o_projid = projid;
+	dst->o_valid |= OBD_MD_FLPROJID;
 }
-EXPORT_SYMBOL(iattr_from_obdo);
+EXPORT_SYMBOL(obdo_set_o_projid);
 
-/* WARNING: the file systems must take care not to tinker with
-   attributes they don't manage (such as blocks). */
-void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid)
+/*
+ * WARNING: the file systems must take care not to tinker with
+ * attributes they don't manage (such as blocks).
+ */
+void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid)
 {
-        obd_flag newvalid = 0;
-
-        if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
-                CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
-                       valid, LTIME_S(src->i_mtime), 
-                       LTIME_S(src->i_ctime));
-
-        if (valid & OBD_MD_FLATIME) {
-                dst->o_atime = LTIME_S(src->i_atime);
-                newvalid |= OBD_MD_FLATIME;
-        }
-        if (valid & OBD_MD_FLMTIME) {
-                dst->o_mtime = LTIME_S(src->i_mtime);
-                newvalid |= OBD_MD_FLMTIME;
-        }
-        if (valid & OBD_MD_FLCTIME) {
-                dst->o_ctime = LTIME_S(src->i_ctime);
-                newvalid |= OBD_MD_FLCTIME;
-        }
-        if (valid & OBD_MD_FLSIZE) {
-                dst->o_size = src->i_size;
-                newvalid |= OBD_MD_FLSIZE;
-        }
-        if (valid & OBD_MD_FLBLOCKS) {  /* allocation of space (x512 bytes) */
-                dst->o_blocks = src->i_blocks;
-                newvalid |= OBD_MD_FLBLOCKS;
-        }
-        if (valid & OBD_MD_FLBLKSZ) {   /* optimal block size */
-                dst->o_blksize = src->i_blksize;
-                newvalid |= OBD_MD_FLBLKSZ;
-        }
-        if (valid & OBD_MD_FLTYPE) {
-                dst->o_mode = (dst->o_mode & S_IALLUGO)|(src->i_mode & S_IFMT);
-                newvalid |= OBD_MD_FLTYPE;
-        }
-        if (valid & OBD_MD_FLMODE) {
-                dst->o_mode = (dst->o_mode & S_IFMT)|(src->i_mode & S_IALLUGO);
-                newvalid |= OBD_MD_FLMODE;
-        }
-        if (valid & OBD_MD_FLUID) {
-                dst->o_uid = src->i_uid;
-                newvalid |= OBD_MD_FLUID;
-        }
-        if (valid & OBD_MD_FLGID) {
-                dst->o_gid = src->i_gid;
-                newvalid |= OBD_MD_FLGID;
-        }
-        if (valid & OBD_MD_FLFLAGS) {
-                dst->o_flags = src->i_flags;
-                newvalid |= OBD_MD_FLFLAGS;
-        }
-        if (valid & OBD_MD_FLNLINK) {
-                dst->o_nlink = src->i_nlink;
-                newvalid |= OBD_MD_FLNLINK;
-        }
-        if (valid & OBD_MD_FLGENER) {
-                dst->o_generation = src->i_generation;
-                newvalid |= OBD_MD_FLGENER;
-        }
-        if (valid & OBD_MD_FLRDEV) {
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-                dst->o_rdev = (__u32)kdev_t_to_nr(src->i_rdev);
-#else
-                dst->o_rdev = (__u32)old_decode_dev(src->i_rdev);
-#endif
-                newvalid |= OBD_MD_FLRDEV;
-        }
-
-        dst->o_valid |= newvalid;
+	u64 newvalid = 0;
+
+	if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
+		CDEBUG(D_INODE, "valid %#llx, new time %lld/%lld\n",
+		       valid, (s64) src->i_mtime.tv_sec,
+		       (s64) src->i_ctime.tv_sec);
+
+	if (valid & OBD_MD_FLATIME) {
+		dst->o_atime = src->i_atime.tv_sec;
+		newvalid |= OBD_MD_FLATIME;
+	}
+	if (valid & OBD_MD_FLMTIME) {
+		dst->o_mtime = src->i_mtime.tv_sec;
+		newvalid |= OBD_MD_FLMTIME;
+	}
+	if (valid & OBD_MD_FLCTIME) {
+		dst->o_ctime = src->i_ctime.tv_sec;
+		newvalid |= OBD_MD_FLCTIME;
+	}
+	if (valid & OBD_MD_FLSIZE) {
+		dst->o_size = i_size_read(src);
+		newvalid |= OBD_MD_FLSIZE;
+	}
+	if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
+		dst->o_blocks = src->i_blocks;
+		newvalid |= OBD_MD_FLBLOCKS;
+	}
+	if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
+		dst->o_blksize = 1U << src->i_blkbits;
+		newvalid |= OBD_MD_FLBLKSZ;
+	}
+	if (valid & OBD_MD_FLTYPE) {
+		dst->o_mode = (dst->o_mode & S_IALLUGO) |
+			      (src->i_mode & S_IFMT);
+		newvalid |= OBD_MD_FLTYPE;
+	}
+	if (valid & OBD_MD_FLMODE) {
+		dst->o_mode = (dst->o_mode & S_IFMT) |
+			      (src->i_mode & S_IALLUGO);
+		newvalid |= OBD_MD_FLMODE;
+	}
+	if (valid & OBD_MD_FLUID) {
+		dst->o_uid = from_kuid(&init_user_ns, src->i_uid);
+		newvalid |= OBD_MD_FLUID;
+	}
+	if (valid & OBD_MD_FLGID) {
+		dst->o_gid = from_kgid(&init_user_ns, src->i_gid);
+		newvalid |= OBD_MD_FLGID;
+	}
+	if (valid & OBD_MD_FLFLAGS) {
+		dst->o_flags = src->i_flags;
+		newvalid |= OBD_MD_FLFLAGS;
+	}
+	dst->o_valid |= newvalid;
 }
 EXPORT_SYMBOL(obdo_from_inode);
 
-void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid)
+void obdo_cpy_md(struct obdo *dst, const struct obdo *src, u64 valid)
 {
-        valid &= src->o_valid;
-
-        if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
-                CDEBUG(D_INODE, "valid %x, cur time %lu/%lu, new %lu/%lu\n",
-                       src->o_valid, LTIME_S(dst->i_mtime), 
-                       LTIME_S(dst->i_ctime),
-                       (long)src->o_mtime, (long)src->o_ctime);
-
-        if (valid & OBD_MD_FLATIME && src->o_atime > LTIME_S(dst->i_atime))
-                LTIME_S(dst->i_atime) = src->o_atime;
-        if (valid & OBD_MD_FLMTIME && src->o_mtime > LTIME_S(dst->i_mtime))
-                LTIME_S(dst->i_mtime) = src->o_mtime;
-        if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(dst->i_ctime))
-                LTIME_S(dst->i_ctime) = src->o_ctime;
-        if (valid & OBD_MD_FLSIZE) 
-                dst->i_size = src->o_size;
-        /* optimum IO size */
-        if (valid & OBD_MD_FLBLKSZ && src->o_blksize > dst->i_blksize)
-                dst->i_blksize = src->o_blksize;
-        if (dst->i_blksize < PAGE_CACHE_SIZE)
-                dst->i_blksize = PAGE_CACHE_SIZE;
-        /* allocation of space */
-        if (valid & OBD_MD_FLBLOCKS && src->o_blocks > dst->i_blocks)
-                dst->i_blocks = src->o_blocks;
+	CDEBUG(D_INODE, "src obdo "DOSTID" valid %#llx, dst obdo "DOSTID"\n",
+	       POSTID(&src->o_oi), src->o_valid, POSTID(&dst->o_oi));
+	if (valid & OBD_MD_FLATIME)
+		dst->o_atime = src->o_atime;
+	if (valid & OBD_MD_FLMTIME)
+		dst->o_mtime = src->o_mtime;
+	if (valid & OBD_MD_FLCTIME)
+		dst->o_ctime = src->o_ctime;
+	if (valid & OBD_MD_FLSIZE)
+		dst->o_size = src->o_size;
+	if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
+		dst->o_blocks = src->o_blocks;
+	if (valid & OBD_MD_FLBLKSZ)
+		dst->o_blksize = src->o_blksize;
+	if (valid & OBD_MD_FLTYPE)
+		dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+	if (valid & OBD_MD_FLMODE)
+		dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
+	if (valid & OBD_MD_FLUID)
+		dst->o_uid = src->o_uid;
+	if (valid & OBD_MD_FLGID)
+		dst->o_gid = src->o_gid;
+	if (valid & OBD_MD_FLFLAGS)
+		dst->o_flags = src->o_flags;
+	if (valid & OBD_MD_FLFID) {
+		dst->o_parent_seq = src->o_parent_seq;
+		dst->o_parent_ver = src->o_parent_ver;
+	}
+	if (valid & OBD_MD_FLPARENT)
+		dst->o_parent_oid = src->o_parent_oid;
+	if (valid & OBD_MD_FLHANDLE)
+		dst->o_handle = src->o_handle;
+
+	dst->o_valid |= valid;
 }
-EXPORT_SYMBOL(obdo_refresh_inode);
-
-void obdo_to_inode(struct inode *dst, struct obdo *src, obd_flag valid)
-{
-        valid &= src->o_valid;
-
-        if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
-                CDEBUG(D_INODE, "valid %x, cur time %lu/%lu, new %lu/%lu\n",
-                       src->o_valid, 
-                       LTIME_S(dst->i_mtime), LTIME_S(dst->i_ctime),
-                       (long)src->o_mtime, (long)src->o_ctime);
-
-        if (valid & OBD_MD_FLATIME)
-                LTIME_S(dst->i_atime) = src->o_atime;
-        if (valid & OBD_MD_FLMTIME)
-                LTIME_S(dst->i_mtime) = src->o_mtime;
-        if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(dst->i_ctime))
-                LTIME_S(dst->i_ctime) = src->o_ctime;
-        if (valid & OBD_MD_FLSIZE)
-                dst->i_size = src->o_size;
-        if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
-                dst->i_blocks = src->o_blocks;
-        if (valid & OBD_MD_FLBLKSZ)
-                dst->i_blksize = src->o_blksize;
-        if (valid & OBD_MD_FLTYPE)
-                dst->i_mode = (dst->i_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
-        if (valid & OBD_MD_FLMODE)
-                dst->i_mode = (dst->i_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
-        if (valid & OBD_MD_FLUID)
-                dst->i_uid = src->o_uid;
-        if (valid & OBD_MD_FLGID)
-                dst->i_gid = src->o_gid;
-        if (valid & OBD_MD_FLFLAGS)
-                dst->i_flags = src->o_flags;
-        if (valid & OBD_MD_FLNLINK)
-                dst->i_nlink = src->o_nlink;
-        if (valid & OBD_MD_FLGENER)
-                dst->i_generation = src->o_generation;
-        if (valid & OBD_MD_FLRDEV)
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-                dst->i_rdev = to_kdev_t(src->o_rdev);
-#else
-                dst->i_rdev = old_decode_dev(src->o_rdev);
-#endif
-}
-EXPORT_SYMBOL(obdo_to_inode);
-#endif
+EXPORT_SYMBOL(obdo_cpy_md);
 
-void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid)
+void obdo_to_ioobj(const struct obdo *oa, struct obd_ioobj *ioobj)
 {
-#ifdef __KERNEL__
-        CDEBUG(D_INODE, "src obdo "LPX64" valid 0x%x, dst obdo "LPX64"\n",
-               src->o_id, src->o_valid, dst->o_id);
-#endif
-        if (valid & OBD_MD_FLATIME)
-                dst->o_atime = src->o_atime;
-        if (valid & OBD_MD_FLMTIME)
-                dst->o_mtime = src->o_mtime;
-        if (valid & OBD_MD_FLCTIME)
-                dst->o_ctime = src->o_ctime;
-        if (valid & OBD_MD_FLSIZE)
-                dst->o_size = src->o_size;
-        if (valid & OBD_MD_FLBLOCKS) /* allocation of space */
-                dst->o_blocks = src->o_blocks;
-        if (valid & OBD_MD_FLBLKSZ)
-                dst->o_blksize = src->o_blksize;
-        if (valid & OBD_MD_FLTYPE)
-                dst->o_mode = (dst->o_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
-        if (valid & OBD_MD_FLMODE)
-                dst->o_mode = (dst->o_mode & S_IFMT) | (src->o_mode & ~S_IFMT);
-        if (valid & OBD_MD_FLUID)
-                dst->o_uid = src->o_uid;
-        if (valid & OBD_MD_FLGID)
-                dst->o_gid = src->o_gid;
-        if (valid & OBD_MD_FLFLAGS)
-                dst->o_flags = src->o_flags;
-        /*
-        if (valid & OBD_MD_FLOBDFLG)
-                dst->o_obdflags = src->o_obdflags;
-        */
-        if (valid & OBD_MD_FLNLINK)
-                dst->o_nlink = src->o_nlink;
-        if (valid & OBD_MD_FLGENER)
-                dst->o_generation = src->o_generation;
-        if (valid & OBD_MD_FLRDEV)
-                dst->o_rdev = src->o_rdev;
-        if (valid & OBD_MD_FLINLINE &&
-             src->o_obdflags & OBD_FL_INLINEDATA) {
-                memcpy(dst->o_inline, src->o_inline, sizeof(src->o_inline));
-                dst->o_obdflags |= OBD_FL_INLINEDATA;
-        }
-
-        dst->o_valid |= valid;
+	ioobj->ioo_oid = oa->o_oi;
+	if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP)))
+		ostid_set_seq_mdt0(&ioobj->ioo_oid);
+
+	/*
+	 * Since 2.4 this does not contain o_mode in the low 16 bits.
+	 * Instead, it holds (bd_md_max_brw - 1) for multi-bulk BRW RPCs
+	 */
+	ioobj->ioo_max_brw = 0;
 }
-EXPORT_SYMBOL(obdo_cpy_md);
+EXPORT_SYMBOL(obdo_to_ioobj);
 
-/* returns FALSE if comparison (by flags) is same, TRUE if changed */
-int obdo_cmp_md(struct obdo *dst, struct obdo *src, obd_flag compare)
+/*
+ * Create an obdo to send over the wire
+ */
+void lustre_set_wire_obdo(const struct obd_connect_data *ocd,
+			  struct obdo *wobdo,
+			  const struct obdo *lobdo)
 {
-        int res = 0;
-
-        if ( compare & OBD_MD_FLATIME )
-                res = (res || (dst->o_atime != src->o_atime));
-        if ( compare & OBD_MD_FLMTIME )
-                res = (res || (dst->o_mtime != src->o_mtime));
-        if ( compare & OBD_MD_FLCTIME )
-                res = (res || (dst->o_ctime != src->o_ctime));
-        if ( compare & OBD_MD_FLSIZE )
-                res = (res || (dst->o_size != src->o_size));
-        if ( compare & OBD_MD_FLBLOCKS ) /* allocation of space */
-                res = (res || (dst->o_blocks != src->o_blocks));
-        if ( compare & OBD_MD_FLBLKSZ )
-                res = (res || (dst->o_blksize != src->o_blksize));
-        if ( compare & OBD_MD_FLTYPE )
-                res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0));
-        if ( compare & OBD_MD_FLMODE )
-                res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0));
-        if ( compare & OBD_MD_FLUID )
-                res = (res || (dst->o_uid != src->o_uid));
-        if ( compare & OBD_MD_FLGID )
-                res = (res || (dst->o_gid != src->o_gid));
-        if ( compare & OBD_MD_FLFLAGS )
-                res = (res || (dst->o_flags != src->o_flags));
-        if ( compare & OBD_MD_FLNLINK )
-                res = (res || (dst->o_nlink != src->o_nlink));
-        if ( compare & OBD_MD_FLGENER )
-                res = (res || (dst->o_generation != src->o_generation));
-        /* XXX Don't know if thses should be included here - wasn't previously
-        if ( compare & OBD_MD_FLINLINE )
-                res = (res || memcmp(dst->o_inline, src->o_inline));
-        */
-        return res;
+	*wobdo = *lobdo;
+	if (ocd == NULL)
+		return;
+
+	if (!(wobdo->o_valid & OBD_MD_FLUID))
+		wobdo->o_uid = from_kuid(&init_user_ns, current_uid());
+	if (!(wobdo->o_valid & OBD_MD_FLGID))
+		wobdo->o_gid = from_kgid(&init_user_ns, current_gid());
+
+	if (unlikely(!(ocd->ocd_connect_flags & OBD_CONNECT_FID)) &&
+	    fid_seq_is_echo(ostid_seq(&lobdo->o_oi))) {
+		/*
+		 * Currently OBD_FL_OSTID will only be used when 2.4 echo
+		 * client communicate with pre-2.4 server
+		 */
+		wobdo->o_oi.oi.oi_id = fid_oid(&lobdo->o_oi.oi_fid);
+		wobdo->o_oi.oi.oi_seq = fid_seq(&lobdo->o_oi.oi_fid);
+	}
 }
-EXPORT_SYMBOL(obdo_cmp_md);
+EXPORT_SYMBOL(lustre_set_wire_obdo);
 
-void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj)
+/*
+ * Create a local obdo from a wire based odbo
+ */
+void lustre_get_wire_obdo(const struct obd_connect_data *ocd,
+			  struct obdo *lobdo,
+			  const struct obdo *wobdo)
 {
-        ioobj->ioo_id = oa->o_id;
-        if (oa->o_valid & OBD_MD_FLGROUP)
-                ioobj->ioo_gr = oa->o_gr;
-        else 
-                ioobj->ioo_gr = 0;
-        ioobj->ioo_type = oa->o_mode;
+	*lobdo = *wobdo;
+	if (ocd == NULL)
+		return;
+
+	if (unlikely(!(ocd->ocd_connect_flags & OBD_CONNECT_FID)) &&
+	    fid_seq_is_echo(wobdo->o_oi.oi.oi_seq)) {
+		/* see above */
+		lobdo->o_oi.oi_fid.f_seq = wobdo->o_oi.oi.oi_seq;
+		lobdo->o_oi.oi_fid.f_oid = wobdo->o_oi.oi.oi_id;
+		lobdo->o_oi.oi_fid.f_ver = 0;
+	}
 }
-EXPORT_SYMBOL(obdo_to_ioobj);
+EXPORT_SYMBOL(lustre_get_wire_obdo);