*
* Copyright (c) 2003 Cluster File Systems, Inc.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * This file is part of the Lustre file system, http://www.lustre.org
+ * Lustre is a trademark of Cluster File Systems, Inc.
*
- * 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 may have signed or agreed to another license before downloading
+ * this software. If so, you are bound by the terms and conditions
+ * of that agreement, and the following does not apply to you. See the
+ * LICENSE file included with this distribution for more information.
*
- * 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.
+ * If you did not agree to a different license, then this copy of Lustre
+ * is open source 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
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * In either case, 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
+ * license text for more details.
*/
-#ifndef MDC_INTERNAL_H
-#define MDC_INTERNAL_H
-
-int mdc_packmd(struct obd_export *exp, struct lov_mds_md **lmmp,
- struct lov_stripe_md *lsm);
-
-int mdc_unpackmd(struct obd_export *exp, struct lov_stripe_md **lsmp,
- struct lov_mds_md *lmm, int lmm_size);
-
-void mdc_getattr_pack(struct lustre_msg *msg, int offset,
- __u64 valid, int flags,
- struct mdc_op_data *op_data);
-
-void mdc_open_pack(struct lustre_msg *msg, int offset,
- struct mdc_op_data *op_data, __u32 mode,
- __u64 rdev, __u32 flags, const void *lmm,
- int lmmlen, void *key, int keylen);
-void mdc_readdir_pack(struct ptlrpc_request *req, int req_offset,
- __u64 offset, __u32 size, struct lustre_id *mdc_id);
-void mdc_close_pack(struct ptlrpc_request *req, int offset, struct obdo *oa,
- __u64 valid, struct obd_client_handle *och);
-
-struct mdc_open_data {
- struct obd_client_handle *mod_och;
- struct ptlrpc_request *mod_open_req;
- struct ptlrpc_request *mod_close_req;
-};
-
-struct mdc_rpc_lock {
- struct semaphore rpcl_sem;
- struct lookup_intent *rpcl_it;
-};
-
-static inline void mdc_init_rpc_lock(struct mdc_rpc_lock *lck)
-{
- sema_init(&lck->rpcl_sem, 1);
- lck->rpcl_it = NULL;
-}
-static inline void mdc_get_rpc_lock(struct mdc_rpc_lock *lck,
- struct lookup_intent *it)
-{
- ENTRY;
- down(&lck->rpcl_sem);
- if (it) {
- lck->rpcl_it = it;
- }
-}
+#ifndef _MDC_INTERNAL_H
+#define _MDC_INTERNAL_H
+
+#include <lustre_mdc.h>
-static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck,
- struct lookup_intent *it)
+void mdc_pack_req_body(struct ptlrpc_request *req, int offset,
+ __u64 valid, const struct lu_fid *fid,
+ struct obd_capa *oc, int ea_size, int flags);
+void mdc_pack_capa(struct ptlrpc_request *req, int offset, struct obd_capa *oc);
+void mdc_pack_rep_body(struct ptlrpc_request *);
+void mdc_is_subdir_pack(struct ptlrpc_request *req, int offset,
+ const struct lu_fid *pfid, const struct lu_fid *cfid,
+ int flags);
+void mdc_readdir_pack(struct ptlrpc_request *req, int pos, __u64 offset,
+ __u32 size, const struct lu_fid *fid,
+ struct obd_capa *oc);
+void mdc_getattr_pack(struct ptlrpc_request *req, int offset, __u64 valid,
+ int flags, struct md_op_data *data);
+void mdc_setattr_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data,
+ void *ea, int ealen, void *ea2, int ea2len);
+void mdc_create_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data, const void *data, int datalen,
+ __u32 mode, __u32 uid, __u32 gid, __u32 cap_effective,
+ __u64 rdev);
+void mdc_open_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data, __u32 mode, __u64 rdev,
+ __u32 flags, const void *data, int datalen);
+void mdc_join_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data, __u64 head_size);
+void mdc_unlink_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data);
+void mdc_link_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data);
+void mdc_rename_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data,
+ const char *old, int oldlen, const char *new, int newlen);
+void mdc_close_pack(struct ptlrpc_request *req, int offset,
+ struct md_op_data *op_data);
+void mdc_exit_request(struct client_obd *cli);
+void mdc_enter_request(struct client_obd *cli);
+
+static inline int client_is_remote(struct obd_export *exp)
{
- EXIT;
- if (it == NULL) {
- LASSERT(it == lck->rpcl_it);
- up(&lck->rpcl_sem);
- return;
- }
- if (it) {
- LASSERT(it == lck->rpcl_it);
- lck->rpcl_it = NULL;
- up(&lck->rpcl_sem);
+ struct obd_import *imp = class_exp2cliimp(exp);
+
+ if (imp->imp_connect_flags_orig & OBD_CONNECT_RMT_CLIENT) {
+ if (!(imp->imp_connect_data.ocd_connect_flags &
+ OBD_CONNECT_RMT_CLIENT))
+ return 0;
+ else
+ return 1;
+ } else {
+ if (!(imp->imp_connect_data.ocd_connect_flags &
+ OBD_CONNECT_LCL_CLIENT))
+ return 1;
+ else
+ return 0;
}
}
-#endif /* MDC_INTERNAL_H */
+/* Quota stuff */
+extern quota_interface_t *quota_interface;
+
+/* mdc/mdc_locks.c */
+int mdc_set_lock_data(struct obd_export *exp,
+ __u64 *lockh, void *data);
+
+int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
+ ldlm_iterator_t it, void *data);
+
+int mdc_intent_lock(struct obd_export *exp,
+ struct md_op_data *,
+ void *lmm, int lmmsize,
+ struct lookup_intent *, int,
+ struct ptlrpc_request **reqp,
+ ldlm_blocking_callback cb_blocking, int extra_lock_flags);
+int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
+ struct lookup_intent *it, struct md_op_data *op_data,
+ struct lustre_handle *lockh, void *lmm, int lmmlen,
+ int extra_lock_flags);
+
+int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid,
+ struct list_head *cancels, ldlm_mode_t mode,
+ __u64 bits);
+/* mdc/mdc_request.c */
+int mdc_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
+ struct md_op_data *op_data);
+
+int mdc_init_ea_size(struct obd_export *exp, int easize, int def_easzie,
+ int cookiesize);
+
+int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags,
+ struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh,
+ struct ptlrpc_request **);
+
+struct obd_client_handle;
+
+int mdc_get_lustre_md(struct obd_export *md_exp, struct ptlrpc_request *req,
+ int offset, struct obd_export *dt_exp,
+ struct obd_export *lmv_exp,
+ struct lustre_md *md);
+
+int mdc_free_lustre_md(struct obd_export *exp, struct lustre_md *md);
+
+int mdc_set_open_replay_data(struct obd_export *exp,
+ struct obd_client_handle *och,
+ struct ptlrpc_request *open_req);
+
+int mdc_clear_open_replay_data(struct obd_export *exp,
+ struct obd_client_handle *och);
+void mdc_commit_delayed(struct ptlrpc_request *req);
+
+int mdc_create(struct obd_export *exp, struct md_op_data *op_data,
+ const void *data, int datalen, int mode, __u32 uid, __u32 gid,
+ __u32 cap_effective, __u64 rdev, struct ptlrpc_request **request);
+int mdc_link(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request);
+int mdc_rename(struct obd_export *exp, struct md_op_data *op_data,
+ const char *old, int oldlen, const char *new, int newlen,
+ struct ptlrpc_request **request);
+int mdc_setattr(struct obd_export *exp, struct md_op_data *op_data,
+ void *ea, int ealen, void *ea2, int ea2len,
+ struct ptlrpc_request **request, struct md_open_data **mod);
+int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
+ struct ptlrpc_request **request);
+int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
+ ldlm_policy_data_t *policy, ldlm_mode_t mode,
+ int flags, void *opaque);
+int mdc_lock_match(struct obd_export *exp, int flags,
+ const struct lu_fid *fid, ldlm_type_t type,
+ ldlm_policy_data_t *policy, ldlm_mode_t mode,
+ struct lustre_handle *lockh);
+#endif