-/* -*- 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 Lustre, http://www.lustre.org.
+ * 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
*
- * 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.
+ * 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.
*
- * 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, 2013, 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
-#define EXPORT_SYMTAB
-
-#include <linux/module.h>
-#include <linux/obd_class.h>
-#include <linux/lustre_idl.h>
-#ifdef __KERNEL__
-#include <linux/fs.h>
+#ifndef __KERNEL__
+#include "../liblustre/llite_lib.h"
+#else
+#include <obd_class.h>
+#include <lustre/lustre_idl.h>
+#endif
-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_FLGENER | OBD_MD_FLFID;
}
-EXPORT_SYMBOL(obdo_from_iattr);
-
-void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid)
-{
- 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;
- }
-}
-EXPORT_SYMBOL(iattr_from_obdo);
+EXPORT_SYMBOL(obdo_set_parent_fid);
/* WARNING: the file systems must take care not to tinker with
attributes they don't manage (such as blocks). */
if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
CDEBUG(D_INODE, "valid %x, new time %lu/%lu\n",
- valid, src->i_mtime, src->i_ctime);
+ 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_FLCTIME;
}
if (valid & OBD_MD_FLSIZE) {
- dst->o_size = src->i_size;
+ dst->o_size = i_size_read(src);
newvalid |= OBD_MD_FLSIZE;
}
if (valid & OBD_MD_FLBLOCKS) { /* allocation of space (x512 bytes) */
newvalid |= OBD_MD_FLBLOCKS;
}
if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */
- dst->o_blksize = src->i_blksize;
+ dst->o_blksize = ll_inode_blksize(src);
newvalid |= OBD_MD_FLBLKSZ;
}
if (valid & OBD_MD_FLTYPE) {
- dst->o_mode = (dst->o_mode & S_IALLUGO)|(src->i_mode & S_IFMT);
+ 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);
+ dst->o_mode = (dst->o_mode & S_IFMT) |
+ (src->i_mode & S_IALLUGO);
newvalid |= OBD_MD_FLMODE;
}
if (valid & OBD_MD_FLUID) {
newvalid |= OBD_MD_FLGID;
}
if (valid & OBD_MD_FLFLAGS) {
- dst->o_flags = src->i_flags;
+ dst->o_flags = ll_inode_flags(src);
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) {
- dst->o_rdev = (__u32)kdev_t_to_nr(src->i_rdev);
- newvalid |= OBD_MD_FLRDEV;
- }
-
dst->o_valid |= newvalid;
}
EXPORT_SYMBOL(obdo_from_inode);
-void obdo_refresh_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, dst->i_mtime, 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 && src->o_size > dst->i_size)
- dst->i_size = src->o_size;
- /* Bug 1598: don't ever update i_blksize here; it needs to be managed
- * by the LOV */
- /* allocation of space */
- if (valid & OBD_MD_FLBLOCKS && src->o_blocks > dst->i_blocks)
- dst->i_blocks = src->o_blocks;
-}
-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, dst->i_mtime, 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)
- dst->i_rdev = to_kdev_t(src->o_rdev);
-}
-EXPORT_SYMBOL(obdo_to_inode);
-#endif
-
void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid)
{
#ifdef __KERNEL__
- CDEBUG(D_INODE, "src obdo "LPX64" valid 0x%x, dst obdo "LPX64"\n",
- src->o_id, src->o_valid, dst->o_id);
+ CDEBUG(D_INODE, "src obdo "DOSTID" valid "LPX64", dst obdo "DOSTID"\n",
+ POSTID(&src->o_oi), src->o_valid, POSTID(&dst->o_oi));
#endif
if (valid & OBD_MD_FLATIME)
dst->o_atime = src->o_atime;
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;
+ 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_FLGENER)
+ dst->o_parent_oid = src->o_parent_oid;
+ if (valid & OBD_MD_FLHANDLE)
+ dst->o_handle = src->o_handle;
+ if (valid & OBD_MD_FLCOOKIE)
+ dst->o_lcookie = src->o_lcookie;
dst->o_valid |= valid;
}
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_FLFID ) {
+ res = (res || (dst->o_parent_seq != src->o_parent_seq));
+ res = (res || (dst->o_parent_ver != src->o_parent_ver));
+ }
if ( compare & OBD_MD_FLGENER )
- res = (res || (dst->o_generation != src->o_generation));
+ res = (res || (dst->o_parent_oid != src->o_parent_oid));
/* 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;
}
EXPORT_SYMBOL(obdo_cmp_md);
+
+void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj)
+{
+ 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_to_ioobj);
+
+void obdo_from_iattr(struct obdo *oa, struct iattr *attr, unsigned int ia_valid)
+{
+ 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) &&
+ !cfs_capable(CFS_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;
+ }
+}
+EXPORT_SYMBOL(obdo_from_iattr);
+
+void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid)
+{
+ valid &= oa->o_valid;
+
+ if (valid & (OBD_MD_FLCTIME | OBD_MD_FLMTIME))
+ CDEBUG(D_INODE, "valid "LPX64", new time "LPU64"/"LPU64"\n",
+ oa->o_valid, oa->o_mtime, 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) &&
+ !cfs_capable(CFS_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;
+ }
+}
+EXPORT_SYMBOL(iattr_from_obdo);
+
+void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid)
+{
+ iattr_from_obdo(&op_data->op_attr, oa, valid);
+ if (valid & OBD_MD_FLBLOCKS) {
+ op_data->op_attr_blocks = oa->o_blocks;
+ op_data->op_attr.ia_valid |= ATTR_BLOCKS;
+ }
+ if (valid & OBD_MD_FLFLAGS) {
+ ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags =
+ oa->o_flags;
+ op_data->op_attr.ia_valid |= ATTR_ATTR_FLAG;
+ }
+}
+EXPORT_SYMBOL(md_from_obdo);
+
+void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
+ unsigned int valid)
+{
+ obdo_from_iattr(oa, &op_data->op_attr, valid);
+ if (valid & ATTR_BLOCKS) {
+ oa->o_blocks = op_data->op_attr_blocks;
+ oa->o_valid |= OBD_MD_FLBLOCKS;
+ }
+ if (valid & ATTR_ATTR_FLAG) {
+ oa->o_flags =
+ ((struct ll_iattr *)&op_data->op_attr)->ia_attr_flags;
+ oa->o_valid |= OBD_MD_FLFLAGS;
+ }
+}
+EXPORT_SYMBOL(obdo_from_md);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff