| /* |
| * 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) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| * Use is subject to license terms. |
| * |
| * Copyright (c) 2011, Intel Corporation. |
| */ |
| /* |
| * This file is part of Lustre, http://www.lustre.org/ |
| * Lustre is a trademark of Sun Microsystems, Inc. |
| */ |
| |
| #ifndef _MDC_INTERNAL_H |
| #define _MDC_INTERNAL_H |
| |
| #include "../include/lustre_mdc.h" |
| #include "../include/lustre_mds.h" |
| |
| #if defined CONFIG_PROC_FS |
| void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars); |
| #else |
| static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars) |
| { |
| memset(lvars, 0, sizeof(*lvars)); |
| } |
| #endif |
| |
| void mdc_pack_body(struct ptlrpc_request *req, const struct lu_fid *fid, |
| struct obd_capa *oc, __u64 valid, int ea_size, |
| __u32 suppgid, int flags); |
| void mdc_pack_capa(struct ptlrpc_request *req, |
| const struct req_msg_field *field, struct obd_capa *oc); |
| int mdc_pack_req(struct ptlrpc_request *req, int version, int opc); |
| void mdc_is_subdir_pack(struct ptlrpc_request *req, const struct lu_fid *pfid, |
| const struct lu_fid *cfid, int 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, __u32 size, |
| const struct lu_fid *fid, struct obd_capa *oc); |
| void mdc_getattr_pack(struct ptlrpc_request *req, __u64 valid, int flags, |
| struct md_op_data *data, int ea_size); |
| void mdc_setattr_pack(struct ptlrpc_request *req, struct md_op_data *op_data, |
| void *ea, int ealen, void *ea2, int ea2len); |
| void mdc_create_pack(struct ptlrpc_request *req, struct md_op_data *op_data, |
| const void *data, int datalen, __u32 mode, __u32 uid, |
| __u32 gid, cfs_cap_t capability, __u64 rdev); |
| void mdc_open_pack(struct ptlrpc_request *req, struct md_op_data *op_data, |
| __u32 mode, __u64 rdev, __u64 flags, const void *data, |
| int datalen); |
| 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, int oldlen, const char *new, int newlen); |
| void mdc_close_pack(struct ptlrpc_request *req, struct md_op_data *op_data); |
| int mdc_enter_request(struct client_obd *cli); |
| void mdc_exit_request(struct client_obd *cli); |
| |
| /* mdc/mdc_locks.c */ |
| int mdc_set_lock_data(struct obd_export *exp, |
| __u64 *lockh, void *data, __u64 *bits); |
| |
| int mdc_null_inode(struct obd_export *exp, const struct lu_fid *fid); |
| |
| int mdc_find_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, |
| __u64 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 lmmsize, |
| struct ptlrpc_request **req, __u64 extra_lock_flags); |
| |
| int mdc_resource_get_unused(struct obd_export *exp, const 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_open(struct obd_export *exp, u64 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, |
| 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 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, |
| 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); |
| 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, |
| ldlm_cancel_flags_t flags, void *opaque); |
| |
| static inline void mdc_set_capa_size(struct ptlrpc_request *req, |
| const struct req_msg_field *field, |
| struct obd_capa *oc) |
| { |
| if (oc == NULL) |
| req_capsule_set_size(&req->rq_pill, field, RCL_CLIENT, 0); |
| else |
| /* it is already calculated as sizeof struct obd_capa */ |
| ; |
| } |
| |
| 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, |
| struct ldlm_enqueue_info *einfo); |
| |
| ldlm_mode_t mdc_lock_match(struct obd_export *exp, __u64 flags, |
| const struct lu_fid *fid, ldlm_type_t type, |
| ldlm_policy_data_t *policy, ldlm_mode_t mode, |
| struct lustre_handle *lockh); |
| |
| 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); |
| } |
| |
| #endif |