X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdo.c;h=dddb24b036feec13f352d9bff63de93a446f234c;hb=672986cbae63e90262d55bf277643ea046bfa8b2;hp=cb10e467a870d76bbc1253d314fa5cd565ae9fab;hpb=15b0e514725b0c8e0acdbfc0d5382a6302639d58;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/obdo.c b/lustre/obdclass/obdo.c index cb10e46..dddb24b 100644 --- a/lustre/obdclass/obdo.c +++ b/lustre/obdclass/obdo.c @@ -1,143 +1,77 @@ -/* -*- 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, 2014, 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 -#else -#include -#include -#include +#include +#ifdef HAVE_UIDGID_HEADER +# include #endif +#include +#include +#include -#ifdef __KERNEL__ -#include -#include /* 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_FLGENER | 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) +void obdo_from_inode(struct obdo *dst, struct inode *src, u64 valid) { - obd_flag newvalid = 0; + u64 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_FLCTIME | OBD_MD_FLMTIME)) + CDEBUG(D_INODE, "valid %#llx, 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); @@ -152,7 +86,7 @@ void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid) 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) */ @@ -160,111 +94,39 @@ void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid) newvalid |= OBD_MD_FLBLOCKS; } if (valid & OBD_MD_FLBLKSZ) { /* optimal block size */ - dst->o_blksize = src->i_blksize; + 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); + 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) { - 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_FLGENER) { - dst->o_generation = src->i_generation; - newvalid |= OBD_MD_FLGENER; - } - - dst->o_valid |= newvalid; + 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) -{ - 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; -} -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_FLGENER) - dst->i_generation = src->o_generation; -} -EXPORT_SYMBOL(obdo_to_inode); -#endif - -void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid) +void obdo_cpy_md(struct obdo *dst, const struct obdo *src, u64 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); -#endif + 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) @@ -287,64 +149,69 @@ void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid) dst->o_gid = src->o_gid; if (valid & OBD_MD_FLFLAGS) dst->o_flags = src->o_flags; - if (valid & OBD_MD_FLGENER) - dst->o_generation = src->o_generation; - 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; dst->o_valid |= valid; } EXPORT_SYMBOL(obdo_cpy_md); -/* returns FALSE if comparison (by flags) is same, TRUE if changed */ -int obdo_cmp_md(struct obdo *dst, struct obdo *src, obd_flag compare) +void obdo_to_ioobj(const struct obdo *oa, struct obd_ioobj *ioobj) { - int res = 0; + ioobj->ioo_oid = oa->o_oi; + if (unlikely(!(oa->o_valid & OBD_MD_FLGROUP))) + ostid_set_seq_mdt0(&ioobj->ioo_oid); - 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; + /* 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_cmp_md); +EXPORT_SYMBOL(obdo_to_ioobj); -void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *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) { - 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; + *wobdo = *lobdo; + if (ocd == NULL) + 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(obdo_to_ioobj); +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) +{ + *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(lustre_get_wire_obdo);