-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (c) 2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * 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.
*
- * 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.
+ * 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).
*
- * 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
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
- * 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.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2017, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _MDC_INTERNAL_H
#include <lustre_mdc.h>
-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);
-
-struct mdc_open_data {
- struct obd_client_handle *mod_och;
- struct ptlrpc_request *mod_open_req;
- struct ptlrpc_request *mod_close_req;
-};
-
-static inline int client_is_remote(struct obd_export *exp)
-{
- 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;
- }
-}
-
-/* Quota stuff */
-extern quota_interface_t *quota_interface;
+int mdc_tunables_init(struct obd_device *obd);
+
+void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid,
+ u64 valid, size_t ea_size, u32 suppgid, u32 flags);
+void mdc_swap_layouts_pack(struct ptlrpc_request *req,
+ struct md_op_data *op_data);
+void mdc_readdir_pack(struct ptlrpc_request *req, __u64 pgoff, size_t size,
+ const struct lu_fid *fid);
+void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, __u32 flags,
+ struct md_op_data *data, size_t ea_size);
+void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
+ void *ea, size_t ealen);
+void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
+ const void *data, size_t datalen, umode_t mode,
+ uid_t uid, gid_t gid, cfs_cap_t capability, __u64 rdev);
+void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
+ umode_t mode, __u64 rdev, __u64 flags,
+ const void *data, size_t datalen);
+void mdc_file_secctx_pack(struct ptlrpc_request *req,
+ const char *secctx_name,
+ const void *secctx, size_t secctx_size);
+
+void mdc_unlink_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
+void mdc_getxattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
+void mdc_link_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
+void mdc_rename_pack(struct ptlrpc_request *req, struct md_op_data *op_data,
+ const char *old, size_t oldlen,
+ const char *new, size_t newlen);
+void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data);
/* mdc/mdc_locks.c */
int mdc_set_lock_data(struct obd_export *exp,
- __u64 *lockh, void *data);
+ const struct lustre_handle *lockh,
+ void *data, __u64 *bits);
-int mdc_change_cbdata(struct obd_export *exp, const struct lu_fid *fid,
- ldlm_iterator_t it, void *data);
+int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid);
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,
- int lock_type,
- struct lookup_intent *it,
- int lock_mode,
- struct md_op_data *op_data,
- struct lustre_handle *lockh,
- void *lmm,
- int lmmlen,
- ldlm_completion_callback cb_completion,
- ldlm_blocking_callback cb_blocking,
- void *cb_data, int extra_lock_flags);
-
+ struct md_op_data *op_data,
+ struct lookup_intent *it,
+ struct ptlrpc_request **reqp,
+ ldlm_blocking_callback cb_blocking,
+ __u64 extra_lock_flags);
+
+int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
+ const union ldlm_policy_data *policy,
+ struct md_op_data *op_data,
+ struct lustre_handle *lockh, __u64 extra_lock_flags);
+
+int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
+ struct list_head *cancels, enum ldlm_mode mode,
+ __u64 bits);
+int mdc_save_lovea(struct ptlrpc_request *req,
+ const struct req_msg_field *field,
+ void *data, u32 size);
/* 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 **);
+int mdc_fid_alloc(const struct lu_env *env, struct obd_export *exp,
+ struct lu_fid *fid, struct md_op_data *op_data);
+int mdc_setup(struct obd_device *obd, struct lustre_cfg *cfg);
+int mdc_process_config(struct obd_device *obd, size_t len, void *buf);
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 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);
+ struct obd_client_handle *och,
+ struct lookup_intent *it);
int mdc_clear_open_replay_data(struct obd_export *exp,
struct obd_client_handle *och);
+void mdc_commit_open(struct ptlrpc_request *req);
+void mdc_replay_open(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);
+ const void *data, size_t datalen,
+ umode_t mode, uid_t uid, gid_t gid,
+ cfs_cap_t capability, __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);
+ const char *old, size_t oldlen, const char *new, size_t 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);
+ void *ea, size_t ealen, struct ptlrpc_request **request);
int mdc_unlink(struct obd_export *exp, struct md_op_data *op_data,
- struct ptlrpc_request **request);
+ struct ptlrpc_request **request);
+int mdc_file_resync(struct obd_export *exp, struct md_op_data *data);
int mdc_cancel_unused(struct obd_export *exp, const struct lu_fid *fid,
- 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);
+ union ldlm_policy_data *policy, enum ldlm_mode mode,
+ enum ldlm_cancel_flags flags, void *opaque);
+
+int mdc_revalidate_lock(struct obd_export *exp, struct lookup_intent *it,
+ struct lu_fid *fid, __u64 *bits);
+
+int mdc_intent_getattr_async(struct obd_export *exp,
+ struct md_enqueue_info *minfo);
+
+enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags,
+ const struct lu_fid *fid, enum ldlm_type type,
+ union ldlm_policy_data *policy,
+ enum ldlm_mode mode, struct lustre_handle *lockh);
+
+
+int mdc_changelog_cdev_init(struct obd_device *obd);
+
+void mdc_changelog_cdev_finish(struct obd_device *obd);
+
+static inline int mdc_prep_elc_req(struct obd_export *exp,
+ struct ptlrpc_request *req, int opc,
+ struct list_head *cancels, int count)
+{
+ return ldlm_prep_elc_req(exp, req, LUSTRE_MDS_VERSION, opc, 0, cancels,
+ count);
+}
+
+static inline unsigned long hash_x_index(__u64 hash, int hash64)
+{
+ if (BITS_PER_LONG == 32 && hash64)
+ hash >>= 32;
+ /* save hash 0 with hash 1 */
+ return ~0UL - (hash + !hash);
+}
+
+/* mdc_dev.c */
+extern struct lu_device_type mdc_device_type;
+int mdc_ldlm_blocking_ast(struct ldlm_lock *dlmlock,
+ struct ldlm_lock_desc *new, void *data, int flag);
+int mdc_ldlm_glimpse_ast(struct ldlm_lock *dlmlock, void *data);
+int mdc_fill_lvb(struct ptlrpc_request *req, struct ost_lvb *lvb);
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff