X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fobdclass%2Fobdo.c;h=7cf1ca0f8762b847f8090031680e3e595194b526;hb=867e301972278e397b57094810821ff884092fd8;hp=6481121ee4eab0a8fd704ea2b28dd08ae981e4bb;hpb=55938c21203391199ef1c1540c721e866040dcdf;p=fs%2Flustre-release.git diff --git a/lustre/obdclass/obdo.c b/lustre/obdclass/obdo.c index 6481121..7cf1ca0 100644 --- a/lustre/obdclass/obdo.c +++ b/lustre/obdclass/obdo.c @@ -1,121 +1,62 @@ -/* -*- 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. + * + * Copyright (c) 2012, 2013, Intel Corporation. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. * - * 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. + * 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 -#include -#include - -#ifdef __KERNEL__ -#include -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) && !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; - } -} -EXPORT_SYMBOL(obdo_from_iattr); +#ifndef __KERNEL__ +#include "../liblustre/llite_lib.h" +#else +#include +#include +#endif -void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid) +void obdo_set_parent_fid(struct obdo *dst, const struct lu_fid *parent) { - 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; - } + 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(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). */ @@ -125,7 +66,8 @@ void obdo_from_inode(struct obdo *dst, struct inode *src, obd_flag valid) 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); @@ -140,7 +82,7 @@ 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) */ @@ -148,118 +90,40 @@ 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 = 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) { - 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) { - dst->o_rdev = (__u32)kdev_t_to_nr(src->i_rdev); - newvalid |= OBD_MD_FLRDEV; - } - - 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 = ll_inode_flags(src); + 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, 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; - /* optimum IO size */ - if (valid & OBD_MD_FLBLKSZ && src->o_blksize > dst->i_blksize) - dst->i_blksize = src->o_blksize; - /* 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) +void obdo_cpy_md(struct obdo *dst, const 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; @@ -283,61 +147,94 @@ 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_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; } 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); + + /* 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); + +static void iattr_from_obdo(struct iattr *attr, const 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(make_kgid(&init_user_ns, oa->o_gid)) && + !cfs_capable(CFS_CAP_FSETID)) + attr->ia_mode &= ~S_ISGID; + } + if (valid & OBD_MD_FLUID) { + attr->ia_uid = make_kuid(&init_user_ns, oa->o_uid); + attr->ia_valid |= ATTR_UID; + } + if (valid & OBD_MD_FLGID) { + attr->ia_gid = make_kgid(&init_user_ns, oa->o_gid); + attr->ia_valid |= ATTR_GID; + } +} - 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; +void md_from_obdo(struct md_op_data *op_data, const 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(obdo_cmp_md); +EXPORT_SYMBOL(md_from_obdo);