X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Flov%2Flov_internal.h;h=b7e49c9cd29b83de93b0f1497b9959ff265aefa4;hb=0e660eab787c3b2857e4295f1ec554e016393885;hp=903aeb4ef87b1e1eae1663d6f6697427d2bf6ef1;hpb=45006597080721052cdd858b52054290f9992898;p=fs%2Flustre-release.git diff --git a/lustre/lov/lov_internal.h b/lustre/lov/lov_internal.h index 903aeb4..b7e49c9 100644 --- a/lustre/lov/lov_internal.h +++ b/lustre/lov/lov_internal.h @@ -1,10 +1,37 @@ /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- * vim:expandtab:shiftwidth=8:tabstop=8: * - * Copyright (C) 2003 Cluster File Systems, Inc. + * GPL HEADER START * - * This code is issued under the GNU General Public License. - * See the file COPYING in this distribution + * 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 2008 Sun Microsystems, Inc. All rights reserved + * Use is subject to license terms. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ #ifndef LOV_INTERNAL_H @@ -36,7 +63,7 @@ struct lov_request { }; struct lov_request_set { - struct obd_enqueue_info *set_ei; + struct ldlm_enqueue_info*set_ei; struct obd_info *set_oi; atomic_t set_refcount; struct obd_export *set_exp; @@ -55,23 +82,7 @@ struct lov_request_set { struct list_head set_list; }; -#define LOV_AP_MAGIC 8200 - -struct lov_async_page { - int lap_magic; - int lap_stripe; - obd_off lap_sub_offset; - obd_id lap_loi_id; - void *lap_sub_cookie; - struct obd_async_page_ops *lap_caller_ops; - void *lap_caller_data; -}; - -#define LAP_FROM_COOKIE(c) \ - (LASSERT(((struct lov_async_page *)(c))->lap_magic == LOV_AP_MAGIC), \ - (struct lov_async_page *)(c)) - -extern kmem_cache_t *lov_oinfo_slab; +extern cfs_mem_cache_t *lov_oinfo_slab; static inline void lov_llh_addref(void *llhp) { @@ -111,9 +122,14 @@ static inline void lov_llh_put(struct lov_lock_handles *llh) atomic_read(&llh->llh_refcount) < 0x5a5a); if (atomic_dec_and_test(&llh->llh_refcount)) { class_handle_unhash(&llh->llh_handle); - LASSERT(list_empty(&llh->llh_handle.h_link)); - OBD_FREE(llh, sizeof *llh + - sizeof(*llh->llh_handles) * llh->llh_stripe_count); + /* The structure may be held by other threads because RCU. + * -jxiong */ + if (atomic_read(&llh->llh_refcount)) + return; + + OBD_FREE_RCU(llh, sizeof *llh + + sizeof(*llh->llh_handles) * llh->llh_stripe_count, + &llh->llh_handle); } } @@ -127,6 +143,8 @@ int lov_merge_lvb(struct obd_export *exp, struct lov_stripe_md *lsm, struct ost_lvb *lvb, int kms_only); int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm, obd_off size, int shrink); +int lov_merge_lvb_kms(struct lov_stripe_md *lsm, + struct ost_lvb *lvb, __u64 *kms_place); /* lov_offset.c */ obd_size lov_stripe_size(struct lov_stripe_md *lsm, obd_size ost_size, @@ -141,6 +159,8 @@ int lov_stripe_intersects(struct lov_stripe_md *lsm, int stripeno, int lov_stripe_number(struct lov_stripe_md *lsm, obd_off lov_off); /* lov_qos.c */ +#define LOV_USES_ASSIGNED_STRIPE 0 +#define LOV_USES_DEFAULT_STRIPE 1 int qos_add_tgt(struct obd_device *obd, __u32 index); int qos_del_tgt(struct obd_device *obd, __u32 index); void qos_shrink_lsm(struct lov_request_set *set); @@ -192,9 +212,10 @@ int lov_prep_sync_set(struct obd_export *exp, struct obd_info *obd_info, obd_off end, struct lov_request_set **reqset); int lov_fini_sync_set(struct lov_request_set *set); int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo, - struct obd_enqueue_info *einfo, + struct ldlm_enqueue_info *einfo, struct lov_request_set **reqset); -int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc); +int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc, + struct ptlrpc_request_set *rqset); int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo, struct lov_stripe_md *lsm, ldlm_policy_data_t *policy, __u32 mode, @@ -210,21 +231,32 @@ int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo, int lov_fini_cancel_set(struct lov_request_set *set); int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo, struct lov_request_set **reqset); -void lov_update_statfs(struct obd_device *obd, struct obd_statfs *osfs, - struct obd_statfs *lov_sfs, int success); +void lov_update_statfs(struct obd_statfs *osfs, struct obd_statfs *lov_sfs, + int success); int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs, int success); int lov_fini_statfs_set(struct lov_request_set *set); /* lov_obd.c */ void lov_fix_desc(struct lov_desc *desc); -int lov_get_stripecnt(struct lov_obd *lov, int stripe_count); +void lov_fix_desc_stripe_size(__u64 *val); +void lov_fix_desc_stripe_count(__u32 *val); +void lov_fix_desc_pattern(__u32 *val); +void lov_fix_desc_qos_maxage(__u32 *val); +int lov_get_stripecnt(struct lov_obd *lov, __u32 stripe_count); void lov_getref(struct obd_device *obd); void lov_putref(struct obd_device *obd); - +int lov_connect_obd(struct obd_device *obd, __u32 index, int activate, + struct obd_connect_data *data); +int lov_setup(struct obd_device *obd, struct lustre_cfg *lcfg); +int lov_process_config_base(struct obd_device *obd, struct lustre_cfg *lcfg, + __u32 *indexp, int *genp); +int lov_del_target(struct obd_device *obd, __u32 index, + struct obd_uuid *uuidp, int gen); /* lov_log.c */ -int lov_llog_init(struct obd_device *obd, struct obd_device *tgt, - int count, struct llog_catid *logid, struct obd_uuid *uuid); +int lov_llog_init(struct obd_device *obd, struct obd_llog_group *olg, + struct obd_device *tgt, int count, struct llog_catid *logid, + struct obd_uuid *uuid); int lov_llog_finish(struct obd_device *obd, int count); /* lov_pack.c */ @@ -244,6 +276,9 @@ void lov_free_memmd(struct lov_stripe_md **lsmp); void lov_dump_lmm_v1(int level, struct lov_mds_md_v1 *lmm); void lov_dump_lmm_join(int level, struct lov_mds_md_join *lmmj); +void lov_dump_lmm_v3(int level, struct lov_mds_md_v3 *lmm); +void lov_dump_lmm(int level, void *lmm); + /* lov_ea.c */ int lov_unpackmd_join(struct lov_obd *lov, struct lov_stripe_md *lsm, struct lov_mds_md *lmm); @@ -256,5 +291,34 @@ int lovea_destroy_object(struct lov_obd *lov, struct lov_stripe_md *lsm, struct obdo *oa, void *data); /* lproc_lov.c */ extern struct file_operations lov_proc_target_fops; +#ifdef LPROCFS +void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars); +#else +static inline void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars) +{ + memset(lvars, 0, sizeof(*lvars)); +} +#endif + +/* lov_cl.c */ +extern struct lu_device_type lov_device_type; + +/* pools */ +extern lustre_hash_ops_t pool_hash_operations; +/* ost_pool methods */ +int lov_ost_pool_init(struct ost_pool *op, unsigned int count); +int lov_ost_pool_extend(struct ost_pool *op, unsigned int max_count); +int lov_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int max_count); +int lov_ost_pool_remove(struct ost_pool *op, __u32 idx); +int lov_ost_pool_free(struct ost_pool *op); + +/* high level pool methods */ +int lov_pool_new(struct obd_device *obd, char *poolname); +int lov_pool_del(struct obd_device *obd, char *poolname); +int lov_pool_add(struct obd_device *obd, char *poolname, char *ostname); +int lov_pool_remove(struct obd_device *obd, char *poolname, char *ostname); +void lov_dump_pool(int level, struct pool_desc *pool); +struct pool_desc *lov_find_pool(struct lov_obd *lov, char *poolname); +int lov_check_index_in_pool(__u32 idx, struct pool_desc *pool); #endif