/* -*- 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 (c) 2003, 2010, Oracle and/or its affiliates. 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
#define LOV_INTERNAL_H
+#include <obd_class.h>
#include <lustre/lustre_user.h>
struct lov_lock_handles {
struct portals_handle llh_handle;
- atomic_t llh_refcount;
+ cfs_atomic_t llh_refcount;
int llh_stripe_count;
struct lustre_handle llh_handles[0];
};
struct obd_info rq_oi;
struct lov_request_set *rq_rqset;
- struct list_head rq_link;
+ cfs_list_t rq_link;
int rq_idx; /* index in lov->tgts array */
int rq_stripe; /* stripe number */
struct lov_request_set {
struct ldlm_enqueue_info*set_ei;
struct obd_info *set_oi;
- atomic_t set_refcount;
+ cfs_atomic_t set_refcount;
struct obd_export *set_exp;
/* XXX: There is @set_exp already, however obd_statfs gets obd_device
only. */
obd_count set_oabufs;
struct brw_page *set_pga;
struct lov_lock_handles *set_lockh;
- struct list_head set_list;
+ cfs_list_t set_list;
+ cfs_waitq_t set_waitq;
+ cfs_spinlock_t set_lock;
};
-#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;
- obd_gr lap_loi_gr;
- 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 cfs_mem_cache_t *lov_oinfo_slab;
static inline void lov_llh_addref(void *llhp)
{
struct lov_lock_handles *llh = llhp;
- atomic_inc(&llh->llh_refcount);
+ cfs_atomic_inc(&llh->llh_refcount);
CDEBUG(D_INFO, "GETting llh %p : new refcount %d\n", llh,
- atomic_read(&llh->llh_refcount));
+ cfs_atomic_read(&llh->llh_refcount));
}
static inline struct lov_lock_handles *lov_llh_new(struct lov_stripe_md *lsm)
sizeof(*llh->llh_handles) * lsm->lsm_stripe_count);
if (llh == NULL)
return NULL;
- atomic_set(&llh->llh_refcount, 2);
+ cfs_atomic_set(&llh->llh_refcount, 2);
llh->llh_stripe_count = lsm->lsm_stripe_count;
CFS_INIT_LIST_HEAD(&llh->llh_handle.h_link);
class_handle_hash(&llh->llh_handle, lov_llh_addref);
return llh;
}
+void lov_finish_set(struct lov_request_set *set);
+
+static inline void lov_get_reqset(struct lov_request_set *set)
+{
+ LASSERT(set != NULL);
+ LASSERT(cfs_atomic_read(&set->set_refcount) > 0);
+ cfs_atomic_inc(&set->set_refcount);
+}
+
+static inline void lov_put_reqset(struct lov_request_set *set)
+{
+ if (cfs_atomic_dec_and_test(&set->set_refcount))
+ lov_finish_set(set);
+}
+
static inline struct lov_lock_handles *
lov_handle2llh(struct lustre_handle *handle)
{
static inline void lov_llh_put(struct lov_lock_handles *llh)
{
CDEBUG(D_INFO, "PUTting llh %p : new refcount %d\n", llh,
- atomic_read(&llh->llh_refcount) - 1);
- LASSERT(atomic_read(&llh->llh_refcount) > 0 &&
- atomic_read(&llh->llh_refcount) < 0x5a5a);
- if (atomic_dec_and_test(&llh->llh_refcount)) {
+ cfs_atomic_read(&llh->llh_refcount) - 1);
+ LASSERT(cfs_atomic_read(&llh->llh_refcount) > 0 &&
+ cfs_atomic_read(&llh->llh_refcount) < 0x5a5a);
+ if (cfs_atomic_dec_and_test(&llh->llh_refcount)) {
class_handle_unhash(&llh->llh_handle);
- /* The structure may be held by other threads because RCU.
+ /* The structure may be held by other threads because RCU.
* -jxiong */
- if (atomic_read(&llh->llh_refcount))
+ if (cfs_atomic_read(&llh->llh_refcount))
return;
OBD_FREE_RCU(llh, sizeof *llh +
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,
#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);
+int qos_del_tgt(struct obd_device *obd, struct lov_tgt_desc *tgt);
void qos_shrink_lsm(struct lov_request_set *set);
int qos_prep_create(struct obd_export *exp, struct lov_request_set *set);
void qos_update(struct lov_obd *lov);
+void qos_statfs_done(struct lov_obd *lov);
+void qos_statfs_update(struct obd_device *obd, __u64 max_age, int wait);
int qos_remedy_create(struct lov_request_set *set, struct lov_request *req);
/* lov_request.c */
void lov_set_add_req(struct lov_request *req, struct lov_request_set *set);
+int lov_finished_set(struct lov_request_set *set);
void lov_update_set(struct lov_request_set *set,
struct lov_request *req, int rc);
int lov_update_common_set(struct lov_request_set *set,
struct lov_stripe_md **ea, struct obdo *src_oa,
struct obd_trans_info *oti,
struct lov_request_set **reqset);
-int lov_update_create_set(struct lov_request_set *set,
- struct lov_request *req, int rc);
+int cb_create_update(void *cookie, int rc);
int lov_fini_create_set(struct lov_request_set *set, struct lov_stripe_md **ea);
int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
obd_count oa_bufs, struct brw_page *pga,
struct lov_request_set **reqset);
int lov_fini_punch_set(struct lov_request_set *set);
int lov_prep_sync_set(struct obd_export *exp, struct obd_info *obd_info,
- struct obdo *src_oa,
- struct lov_stripe_md *lsm, obd_off start,
- obd_off end, struct lov_request_set **reqset);
+ obd_off start, 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 ldlm_enqueue_info *einfo,
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);
+int lov_statfs_interpret(struct ptlrpc_request_set *rqset, void *data, int rc);
/* lov_obd.c */
void lov_fix_desc(struct lov_desc *desc);
+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_llogs *llogs,
- 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 *idx);
int lov_llog_finish(struct obd_device *obd, int count);
/* lov_pack.c */
struct lov_stripe_md *lsm);
int lov_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
struct lov_mds_md *lmm, int lmm_bytes);
-int lov_setstripe(struct obd_export *exp,
+int lov_setstripe(struct obd_export *exp, int max_lmm_size,
struct lov_stripe_md **lsmp, struct lov_user_md *lump);
int lov_setea(struct obd_export *exp, struct lov_stripe_md **lsmp,
struct lov_user_md *lump);
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);
struct lov_stripe_md *lsm_alloc_plain(int stripe_count, int *size);
void lsm_free_plain(struct lov_stripe_md *lsm);
-struct lov_extent *lovea_idx2le(struct lov_stripe_md *lsm, int stripe_no);
-struct lov_extent *lovea_off2le(struct lov_stripe_md *lsm, obd_off lov_off);
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 cfs_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 min_count);
+int lov_ost_pool_add(struct ost_pool *op, __u32 idx, unsigned int min_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);
+void lov_pool_putref(struct pool_desc *pool);
+
+#if BITS_PER_LONG == 64
+# define ll_do_div64(n,base) ({ \
+ uint64_t __base = (base); \
+ uint64_t __rem; \
+ __rem = ((uint64_t)(n)) % __base; \
+ (n) = ((uint64_t)(n)) / __base; \
+ __rem; \
+ })
+#elif BITS_PER_LONG == 32
+# define ll_do_div64(n,base) ({ \
+ uint64_t __rem; \
+ if ((sizeof(base) > 4) && (((base)&0xffffffff00000000ULL) != 0)) { \
+ int __remainder; \
+ LASSERTF(!((base) & (LOV_MIN_STRIPE_SIZE - 1)), "64 bit lov "\
+ "division %llu / %llu\n", (n), (base)); \
+ __remainder = (n) & (LOV_MIN_STRIPE_SIZE - 1); \
+ (n) >>= LOV_MIN_STRIPE_BITS; \
+ (base) >>= LOV_MIN_STRIPE_BITS; \
+ __rem = do_div(n, base); \
+ __rem <<= LOV_MIN_STRIPE_BITS; \
+ __rem += __remainder; \
+ } else { \
+ __rem = do_div(n, base); \
+ } \
+ __rem; \
+ })
+#else
+#error Unsupported architecture.
+#endif
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff