-/* -*- 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.
+ *
+ * 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.
*
- * Copyright (C) 2001-2003 Cluster File Systems, Inc.
+ * 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).
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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.
+ * Copyright (c) 2012, 2013, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*
- * In either case, 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
- * license text for more details.
+ * lustre/obdclass/linux/linux-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>
#include <linux/fs.h>
#include <linux/pagemap.h> /* for PAGE_CACHE_SIZE */
-/* 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)
+/*FIXME: Just copy from obdo_from_inode*/
+void obdo_from_la(struct obdo *dst, struct lu_attr *la, __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);
+ if (valid & LA_ATIME) {
+ dst->o_atime = la->la_atime;
newvalid |= OBD_MD_FLATIME;
}
- if (valid & OBD_MD_FLMTIME) {
- dst->o_mtime = LTIME_S(src->i_mtime);
+ if (valid & LA_MTIME) {
+ dst->o_mtime = la->la_mtime;
newvalid |= OBD_MD_FLMTIME;
}
- if (valid & OBD_MD_FLCTIME) {
- dst->o_ctime = LTIME_S(src->i_ctime);
+ if (valid & LA_CTIME) {
+ dst->o_ctime = la->la_ctime;
newvalid |= OBD_MD_FLCTIME;
}
- if (valid & OBD_MD_FLSIZE) {
- dst->o_size = i_size_read(src);
+ if (valid & LA_SIZE) {
+ dst->o_size = la->la_size;
newvalid |= OBD_MD_FLSIZE;
}
- if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
- dst->o_blocks = src->i_blocks;
+ if (valid & LA_BLOCKS) { /* allocation of space (x512 bytes) */
+ dst->o_blocks = la->la_blocks;
newvalid |= OBD_MD_FLBLOCKS;
}
- if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
- dst->o_blksize = 1 << 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);
+ if (valid & LA_TYPE) {
+ dst->o_mode = (dst->o_mode & S_IALLUGO) |
+ (la->la_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);
+ if (valid & LA_MODE) {
+ dst->o_mode = (dst->o_mode & S_IFMT) |
+ (la->la_mode & S_IALLUGO);
newvalid |= OBD_MD_FLMODE;
}
- if (valid & OBD_MD_FLUID) {
- dst->o_uid = src->i_uid;
+ if (valid & LA_UID) {
+ dst->o_uid = la->la_uid;
newvalid |= OBD_MD_FLUID;
}
- if (valid & OBD_MD_FLGID) {
- dst->o_gid = src->i_gid;
+ if (valid & LA_GID) {
+ dst->o_gid = la->la_gid;
newvalid |= OBD_MD_FLGID;
}
- if (valid & OBD_MD_FLFLAGS) {
- dst->o_flags = src->i_flags;
- newvalid |= OBD_MD_FLFLAGS;
- }
- if (valid & OBD_MD_FLGENER) {
- dst->o_generation = src->i_generation;
- newvalid |= OBD_MD_FLGENER;
- }
- if (valid & OBD_MD_FLFID) {
- dst->o_fid = src->i_ino;
- newvalid |= OBD_MD_FLFID;
- }
-
dst->o_valid |= newvalid;
}
-EXPORT_SYMBOL(obdo_from_inode);
+EXPORT_SYMBOL(obdo_from_la);
/*FIXME: Just copy from obdo_from_inode*/
-void obdo_from_la(struct obdo *dst, struct lu_attr *la, obd_flag valid)
+void la_from_obdo(struct lu_attr *dst, struct obdo *obdo, obd_flag valid)
{
- obd_flag newvalid = 0;
+ __u64 newvalid = 0;
+
+ valid &= obdo->o_valid;
if (valid & OBD_MD_FLATIME) {
- dst->o_atime = la->la_atime;
- newvalid |= OBD_MD_FLATIME;
+ dst->la_atime = obdo->o_atime;
+ newvalid |= LA_ATIME;
}
if (valid & OBD_MD_FLMTIME) {
- dst->o_mtime = la->la_mtime;
- newvalid |= OBD_MD_FLMTIME;
+ dst->la_mtime = obdo->o_mtime;
+ newvalid |= LA_MTIME;
}
if (valid & OBD_MD_FLCTIME) {
- dst->o_ctime = la->la_ctime;
- newvalid |= OBD_MD_FLCTIME;
+ dst->la_ctime = obdo->o_ctime;
+ newvalid |= LA_CTIME;
}
if (valid & OBD_MD_FLSIZE) {
- dst->o_size = la->la_size;
- newvalid |= OBD_MD_FLSIZE;
+ dst->la_size = obdo->o_size;
+ newvalid |= LA_SIZE;
}
- if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
- dst->o_blocks = la->la_blocks;
- newvalid |= OBD_MD_FLBLOCKS;
+ if (valid & OBD_MD_FLBLOCKS) {
+ dst->la_blocks = obdo->o_blocks;
+ newvalid |= LA_BLOCKS;
}
if (valid & OBD_MD_FLTYPE) {
- dst->o_mode = (dst->o_mode & S_IALLUGO)|(la->la_mode & S_IFMT);
- newvalid |= OBD_MD_FLTYPE;
+ dst->la_mode = (dst->la_mode & S_IALLUGO) |
+ (obdo->o_mode & S_IFMT);
+ newvalid |= LA_TYPE;
}
if (valid & OBD_MD_FLMODE) {
- dst->o_mode = (dst->o_mode & S_IFMT)|(la->la_mode & S_IALLUGO);
- newvalid |= OBD_MD_FLMODE;
+ dst->la_mode = (dst->la_mode & S_IFMT) |
+ (obdo->o_mode & S_IALLUGO);
+ newvalid |= LA_MODE;
}
if (valid & OBD_MD_FLUID) {
- dst->o_uid = la->la_uid;
- newvalid |= OBD_MD_FLUID;
+ dst->la_uid = obdo->o_uid;
+ newvalid |= LA_UID;
}
if (valid & OBD_MD_FLGID) {
- dst->o_gid = la->la_gid;
- newvalid |= OBD_MD_FLGID;
+ dst->la_gid = obdo->o_gid;
+ newvalid |= LA_GID;
}
- dst->o_valid |= newvalid;
+ dst->la_valid = newvalid;
}
-EXPORT_SYMBOL(obdo_from_la);
+EXPORT_SYMBOL(la_from_obdo);
void obdo_refresh_inode(struct inode *dst, struct obdo *src, obd_flag valid)
{
if (valid & OBD_MD_FLATIME && src->o_atime > LTIME_S(dst->i_atime))
LTIME_S(dst->i_atime) = src->o_atime;
-
- /* mtime is always updated with ctime, but can be set in past.
- As write and utime(2) may happen within 1 second, and utime's
- mtime has a priority over write's one, leave mtime from mds
- for the same ctimes. */
- if (valid & OBD_MD_FLCTIME && src->o_ctime > LTIME_S(dst->i_ctime)) {
+ 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_FLMTIME)
- LTIME_S(dst->i_mtime) = src->o_mtime;
- }
if (valid & OBD_MD_FLSIZE)
i_size_write(dst, src->o_size);
- /* optimum IO size */
- if (valid & OBD_MD_FLBLKSZ && src->o_blksize > (1 << dst->i_blkbits)) {
- dst->i_blkbits = ffs(src->o_blksize) - 1;
-#ifdef HAVE_INODE_BLKSIZE
- dst->i_blksize = src->o_blksize;
-#endif
- }
+ /* optimum IO size */
+ if (valid & OBD_MD_FLBLKSZ && src->o_blksize > (1 << dst->i_blkbits))
+ dst->i_blkbits = ffs(src->o_blksize) - 1;
- if (dst->i_blkbits < CFS_PAGE_SHIFT) {
-#ifdef HAVE_INODE_BLKSIZE
- dst->i_blksize = CFS_PAGE_SIZE;
-#endif
- dst->i_blkbits = CFS_PAGE_SHIFT;
- }
+ if (dst->i_blkbits < PAGE_CACHE_SHIFT)
+ dst->i_blkbits = PAGE_CACHE_SHIFT;
/* allocation of space */
if (valid & OBD_MD_FLBLOCKS && src->o_blocks > dst->i_blocks)
+ /*
+ * XXX shouldn't overflow be checked here like in
+ * obdo_to_inode().
+ */
dst->i_blocks = src->o_blocks;
}
EXPORT_SYMBOL(obdo_refresh_inode);
{
valid &= src->o_valid;
+ LASSERTF(!(valid & (OBD_MD_FLTYPE | OBD_MD_FLGENER | OBD_MD_FLFID |
+ OBD_MD_FLID | OBD_MD_FLGROUP)),
+ "object "DOSTID", valid %x\n", POSTID(&src->o_oi), valid);
+
if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
CDEBUG(D_INODE,
"valid "LPX64", cur time %lu/%lu, new "LPU64"/"LPU64"\n",
dst->i_blocks = -1;
}
- if (valid & OBD_MD_FLBLKSZ) {
- dst->i_blkbits = ffs(src->o_blksize)-1;
-#ifdef HAVE_INODE_BLKSIZE
- dst->i_blksize = src->o_blksize;
-#endif
- }
- if (valid & OBD_MD_FLTYPE)
- dst->i_mode = (dst->i_mode & ~S_IFMT) | (src->o_mode & S_IFMT);
+ if (valid & OBD_MD_FLBLKSZ)
+ dst->i_blkbits = ffs(src->o_blksize)-1;
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_gid = src->o_gid;
if (valid & OBD_MD_FLFLAGS)
dst->i_flags = src->o_flags;
- if (valid & OBD_MD_FLGENER)
- dst->i_generation = src->o_generation;
}
EXPORT_SYMBOL(obdo_to_inode);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff