diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/obdclass/obdo.c')
| -rw-r--r-- | drivers/staging/lustre/lustre/obdclass/obdo.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/drivers/staging/lustre/lustre/obdclass/obdo.c b/drivers/staging/lustre/lustre/obdclass/obdo.c deleted file mode 100644 index c4503bc36591..000000000000 --- a/drivers/staging/lustre/lustre/obdclass/obdo.c +++ /dev/null @@ -1,181 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * GPL HEADER START - * - * 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. - * - * 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). - * - * 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 - * - * GPL HEADER END - */ -/* - * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2011, 2012, 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 - -#include <obd_class.h> -#include <uapi/linux/lustre/lustre_idl.h> -#include <lustre_obdo.h> - -void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent) -{ - 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_set_parent_fid); - -/* 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, u32 valid) -{ - u32 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 = 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 = 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); - 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_to_ioobj(const 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); - -/** - * 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) -{ - *wobdo = *lobdo; - wobdo->o_flags &= ~OBD_FL_LOCAL_MASK; - if (!ocd) - return; - - 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(lustre_set_wire_obdo); - -/** - * 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) -{ - u32 local_flags = 0; - - if (lobdo->o_valid & OBD_MD_FLFLAGS) - local_flags = lobdo->o_flags & OBD_FL_LOCAL_MASK; - - *lobdo = *wobdo; - if (local_flags) { - lobdo->o_valid |= OBD_MD_FLFLAGS; - lobdo->o_flags &= ~OBD_FL_LOCAL_MASK; - lobdo->o_flags |= local_flags; - } - if (!ocd) - 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(lustre_get_wire_obdo); |