From: Mikhail Pershin <mike.pershin@xxxxxxxxx> This library is not used anymore and is replaced by local_storage.c. Patch removed last remnants of it. Intel-bug-id: LU-2886 Lustre-commit: 29e98f581ab68ecdfc1b923925eda2ec5b251f3a Lustre-change: http://review.whamcloud.com/6107 Signed-off-by: Mikhail Pershin <mike.pershin@xxxxxxxxx> Reviewed-by: Fan Yong <fan.yong@xxxxxxxxx> Reviewed-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@xxxxxxxxx> [updated for upstream kernel submission] Signed-off-by: Peng Tao <tao.peng@xxxxxxx> Signed-off-by: Andreas Dilger <andreas.dilger@xxxxxxxxx> --- drivers/staging/lustre/lustre/include/md_object.h | 38 -- drivers/staging/lustre/lustre/obdclass/Makefile | 2 +- .../lustre/lustre/obdclass/md_local_object.c | 459 -------------------- 3 files changed, 1 insertion(+), 498 deletions(-) delete mode 100644 drivers/staging/lustre/lustre/obdclass/md_local_object.c diff --git a/drivers/staging/lustre/lustre/include/md_object.h b/drivers/staging/lustre/lustre/include/md_object.h index eefa0f1..92d6420 100644 --- a/drivers/staging/lustre/lustre/include/md_object.h +++ b/drivers/staging/lustre/lustre/include/md_object.h @@ -859,44 +859,6 @@ struct lu_local_obj_desc { struct list_head llod_linkage; }; -struct md_object *llo_store_resolve(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *path, - struct lu_fid *fid); - -struct md_object *llo_store_open(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - struct lu_fid *fid); - -struct md_object *llo_store_create_index(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid, - const struct dt_index_features *feat); - -struct md_object *llo_store_create(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid); - -void llo_local_obj_register(struct lu_local_obj_desc *); -void llo_local_obj_unregister(struct lu_local_obj_desc *); - -int llo_local_objects_setup(const struct lu_env *env, - struct md_device * md, - struct dt_device * dt); - -int llo_global_init(void); -void llo_global_fini(void); - int lustre_buf2som(void *buf, int rc, struct md_som_data *msd); int lustre_buf2hsm(void *buf, int rc, struct md_hsm *mh); void lustre_hsm2buf(void *buf, struct md_hsm *mh); diff --git a/drivers/staging/lustre/lustre/obdclass/Makefile b/drivers/staging/lustre/lustre/obdclass/Makefile index 3f53ec6..b80c13c 100644 --- a/drivers/staging/lustre/lustre/obdclass/Makefile +++ b/drivers/staging/lustre/lustre/obdclass/Makefile @@ -7,7 +7,7 @@ obdclass-y := linux/linux-module.o linux/linux-obdo.o linux/linux-sysctl.o \ local_storage.o statfs_pack.o obdo.o obd_config.o obd_mount.o\ mea.o lu_object.o dt_object.o capa.o cl_object.o \ cl_page.o cl_lock.o cl_io.o lu_ref.o acl.o idmap.o \ - md_local_object.o lu_ucred.o + lu_ucred.o ccflags-y := -I$(src)/../include diff --git a/drivers/staging/lustre/lustre/obdclass/md_local_object.c b/drivers/staging/lustre/lustre/obdclass/md_local_object.c deleted file mode 100644 index ac5f44f..0000000 --- a/drivers/staging/lustre/lustre/obdclass/md_local_object.c +++ /dev/null @@ -1,459 +0,0 @@ -/* - * 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.sun.com/software/products/lustre/docs/GPLv2.pdf - * - * 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) 2008, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - * - * lustre/obdclass/md_local_object.c - * - * Lustre Local Object create APIs - * 'create on first mount' facility. Files registed under llo module will - * be created on first mount. - * - * Author: Pravin Shelar <pravin.shelar@xxxxxxx> - */ - -#define DEBUG_SUBSYSTEM S_CLASS - -#include <obd_support.h> -#include <lustre_disk.h> -#include <lustre_fid.h> -#include <lu_object.h> -#include <linux/list.h> -#include <md_object.h> - - -/** List head to hold list of objects to be created. */ -static struct list_head llo_lobj_list; - -/** Lock to protect list manipulations */ -static struct mutex llo_lock; - -/** - * Structure used to maintain state of path parsing. - * \see llo_find_entry, llo_store_resolve - */ -struct llo_find_hint { - struct lu_fid *lfh_cfid; - struct md_device *lfh_md; - struct md_object *lfh_pobj; -}; - -/** - * Thread Local storage for this module. - */ -struct llo_thread_info { - /** buffer to resolve path */ - char lti_buf[DT_MAX_PATH]; - /** used for path resolve */ - struct lu_fid lti_fid; - /** used to pass child object fid */ - struct lu_fid lti_cfid; - struct llo_find_hint lti_lfh; - struct md_op_spec lti_spc; - struct md_attr lti_ma; - struct lu_name lti_lname; -}; - -LU_KEY_INIT(llod_global, struct llo_thread_info); -LU_KEY_FINI(llod_global, struct llo_thread_info); - -static struct lu_context_key llod_key = { - .lct_tags = LCT_MD_THREAD, - .lct_init = llod_global_key_init, - .lct_fini = llod_global_key_fini -}; - -static inline struct llo_thread_info * llo_env_info(const struct lu_env *env) -{ - return lu_context_key_get(&env->le_ctx, &llod_key); -} - -/** - * Search md object for given fid. - */ -static struct md_object *llo_locate(const struct lu_env *env, - struct md_device *md, - const struct lu_fid *fid) -{ - struct lu_object *obj; - struct md_object *mdo; - - obj = lu_object_find(env, &md->md_lu_dev, fid, NULL); - if (!IS_ERR(obj)) { - obj = lu_object_locate(obj->lo_header, md->md_lu_dev.ld_type); - LASSERT(obj != NULL); - mdo = (struct md_object *) obj; - } else - mdo = (struct md_object *)obj; - return mdo; -} - -/** - * Lookup FID for object named \a name in directory \a pobj. - */ -static int llo_lookup(const struct lu_env *env, - struct md_object *pobj, - const char *name, - struct lu_fid *fid) -{ - struct llo_thread_info *info = llo_env_info(env); - struct lu_name *lname = &info->lti_lname; - struct md_op_spec *spec = &info->lti_spc; - - spec->sp_feat = NULL; - spec->sp_cr_flags = 0; - spec->sp_cr_lookup = 0; - spec->sp_cr_mode = 0; - - lname->ln_name = name; - lname->ln_namelen = strlen(name); - - return mdo_lookup(env, pobj, lname, fid, spec); -} - -/** - * Function to look up path component, this is passed to parsing - * function. \see llo_store_resolve - * - * \retval rc returns error code for lookup or locate operation - * - * pointer to object is returned in data (lfh->lfh_pobj) - */ -static int llo_find_entry(const struct lu_env *env, - const char *name, void *data) -{ - struct llo_find_hint *lfh = data; - struct md_device *md = lfh->lfh_md; - struct lu_fid *fid = lfh->lfh_cfid; - struct md_object *obj = lfh->lfh_pobj; - int result; - - /* lookup fid for object */ - result = llo_lookup(env, obj, name, fid); - lu_object_put(env, &obj->mo_lu); - - if (result == 0) { - /* get md object for fid that we got in lookup */ - obj = llo_locate(env, md, fid); - if (IS_ERR(obj)) - result = PTR_ERR(obj); - } - - lfh->lfh_pobj = obj; - return result; -} - -static struct md_object *llo_reg_open(const struct lu_env *env, - struct md_device *md, - struct md_object *p, - const char *name, - struct lu_fid *fid) -{ - struct md_object *o; - int result; - - result = llo_lookup(env, p, name, fid); - if (result == 0) - o = llo_locate(env, md, fid); - else - o = ERR_PTR(result); - - return o; -} - -/** - * Resolve given \a path, on success function returns - * md object for last directory and \a fid points to - * its fid. - */ -struct md_object *llo_store_resolve(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *path, - struct lu_fid *fid) -{ - struct llo_thread_info *info = llo_env_info(env); - struct llo_find_hint *lfh = &info->lti_lfh; - char *local = info->lti_buf; - struct md_object *obj; - int result; - - strncpy(local, path, DT_MAX_PATH); - local[DT_MAX_PATH - 1] = '\0'; - - lfh->lfh_md = md; - lfh->lfh_cfid = fid; - /* start path resolution from backend fs root. */ - result = dt->dd_ops->dt_root_get(env, dt, fid); - if (result == 0) { - /* get md object for root */ - obj = llo_locate(env, md, fid); - if (!IS_ERR(obj)) { - /* start path parser from root md */ - lfh->lfh_pobj = obj; - result = dt_path_parser(env, local, llo_find_entry, lfh); - if (result != 0) - obj = ERR_PTR(result); - else - obj = lfh->lfh_pobj; - } - } else { - obj = ERR_PTR(result); - } - return obj; -} -EXPORT_SYMBOL(llo_store_resolve); - -/** - * Returns md object for \a objname in given \a dirname. - */ -struct md_object *llo_store_open(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - struct lu_fid *fid) -{ - struct md_object *obj; - struct md_object *dir; - - /* search md object for parent dir */ - dir = llo_store_resolve(env, md, dt, dirname, fid); - if (!IS_ERR(dir)) { - obj = llo_reg_open(env, md, dir, objname, fid); - lu_object_put(env, &dir->mo_lu); - } else - obj = dir; - - return obj; -} -EXPORT_SYMBOL(llo_store_open); - -static struct md_object *llo_create_obj(const struct lu_env *env, - struct md_device *md, - struct md_object *dir, - const char *objname, - const struct lu_fid *fid, - const struct dt_index_features *feat) -{ - struct llo_thread_info *info = llo_env_info(env); - struct md_object *mdo; - struct md_attr *ma = &info->lti_ma; - struct md_op_spec *spec = &info->lti_spc; - struct lu_name *lname = &info->lti_lname; - struct lu_attr *la = &ma->ma_attr; - int rc; - - mdo = llo_locate(env, md, fid); - if (IS_ERR(mdo)) - return mdo; - - lname->ln_name = objname; - lname->ln_namelen = strlen(objname); - - spec->sp_feat = feat; - spec->sp_cr_flags = 0; - spec->sp_cr_lookup = 1; - spec->sp_cr_mode = 0; - - if (feat == &dt_directory_features) - la->la_mode = S_IFDIR | S_IXUGO; - else - la->la_mode = S_IFREG; - - la->la_mode |= S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; - la->la_uid = la->la_gid = 0; - la->la_valid = LA_MODE | LA_UID | LA_GID; - - ma->ma_valid = 0; - ma->ma_need = 0; - - rc = mdo_create(env, dir, lname, mdo, spec, ma); - - if (rc) { - lu_object_put(env, &mdo->mo_lu); - mdo = ERR_PTR(rc); - } - - return mdo; -} - -/** - * Create md object, object could be diretcory or - * special index defined by \a feat in \a directory. - * - * \param md device - * \param dirname parent directory - * \param objname file name - * \param fid object fid - * \param feat index features required for directory create - */ - -struct md_object *llo_store_create_index(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid, - const struct dt_index_features *feat) -{ - struct llo_thread_info *info = llo_env_info(env); - struct md_object *obj; - struct md_object *dir; - struct lu_fid *ignore = &info->lti_fid; - - dir = llo_store_resolve(env, md, dt, dirname, ignore); - if (!IS_ERR(dir)) { - obj = llo_create_obj(env, md, dir, objname, fid, feat); - lu_object_put(env, &dir->mo_lu); - } else { - obj = dir; - } - return obj; -} - -EXPORT_SYMBOL(llo_store_create_index); - -/** - * Create md object for regular file in \a directory. - * - * \param md device - * \param dirname parent directory - * \param objname file name - * \param fid object fid. - */ - -struct md_object *llo_store_create(const struct lu_env *env, - struct md_device *md, - struct dt_device *dt, - const char *dirname, - const char *objname, - const struct lu_fid *fid) -{ - return llo_store_create_index(env, md, dt, dirname, - objname, fid, NULL); -} - -EXPORT_SYMBOL(llo_store_create); - -/** - * Register object for 'create on first mount' facility. - * objects are created in order of registration. - */ - -void llo_local_obj_register(struct lu_local_obj_desc *llod) -{ - mutex_lock(&llo_lock); - list_add_tail(&llod->llod_linkage, &llo_lobj_list); - mutex_unlock(&llo_lock); -} - -EXPORT_SYMBOL(llo_local_obj_register); - -void llo_local_obj_unregister(struct lu_local_obj_desc *llod) -{ - mutex_lock(&llo_lock); - list_del(&llod->llod_linkage); - mutex_unlock(&llo_lock); -} - -EXPORT_SYMBOL(llo_local_obj_unregister); - -/** - * Created registed objects. - */ - -int llo_local_objects_setup(const struct lu_env *env, - struct md_device * md, - struct dt_device *dt) -{ - struct llo_thread_info *info = llo_env_info(env); - struct lu_fid *fid; - struct lu_local_obj_desc *scan; - struct md_object *mdo; - const char *dir; - int rc = 0; - - fid = &info->lti_cfid; - mutex_lock(&llo_lock); - - list_for_each_entry(scan, &llo_lobj_list, llod_linkage) { - lu_local_obj_fid(fid, scan->llod_oid); - dir = ""; - if (scan->llod_dir) - dir = scan->llod_dir; - - if (scan->llod_is_index) - mdo = llo_store_create_index(env, md, dt , - dir, scan->llod_name, - fid, - scan->llod_feat); - else - mdo = llo_store_create(env, md, dt, - dir, scan->llod_name, - fid); - if (IS_ERR(mdo) && PTR_ERR(mdo) != -EEXIST) { - rc = PTR_ERR(mdo); - CERROR("creating obj [%s] fid = "DFID" rc = %d\n", - scan->llod_name, PFID(fid), rc); - goto out; - } - - if (!IS_ERR(mdo)) - lu_object_put(env, &mdo->mo_lu); - } - -out: - mutex_unlock(&llo_lock); - return rc; -} - -EXPORT_SYMBOL(llo_local_objects_setup); - -int llo_global_init(void) -{ - int result; - - INIT_LIST_HEAD(&llo_lobj_list); - mutex_init(&llo_lock); - - LU_CONTEXT_KEY_INIT(&llod_key); - result = lu_context_key_register(&llod_key); - return result; -} - -void llo_global_fini(void) -{ - lu_context_key_degister(&llod_key); - LASSERT(list_empty(&llo_lobj_list)); -} -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
