X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_internal.h;h=2e5dcdb5928c9dfc924f4bb7a6feb406a730bc86;hp=a23511d40fbb5d4acfe1c7cbc3e7ba5701f413f0;hb=8d161d44214f907a9f2d9cf5a79cd2c83de995c3;hpb=b0cd8cd9ffb2f067319d2069fe4652e987b59265 diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h index a23511d..2e5dcdb 100644 --- a/lustre/mdc/mdc_internal.h +++ b/lustre/mdc/mdc_internal.h @@ -1,124 +1,105 @@ -/* -*- 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.sun.com/software/products/lustre/docs/GPLv2.pdf * - * 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. + * 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, 2013, 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 -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; - } -} +#ifdef LPROCFS +extern struct lprocfs_seq_vars lprocfs_mdc_obd_vars[]; +#endif -/* Quota stuff */ -extern quota_interface_t *quota_interface; +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); /* mdc/mdc_locks.c */ int mdc_set_lock_data(struct obd_export *exp, - __u64 *lockh, void *data); + __u64 *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_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, 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, - struct lookup_intent *it, struct md_op_data *op_data, - struct lustre_handle *lockh, void *lmm, int lmmlen, - int extra_lock_flags); + const union ldlm_policy_data *policy, + struct lookup_intent *it, struct md_op_data *op_data, + struct lustre_handle *lockh, __u64 extra_lock_flags); -int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid, - struct list_head *cancels, ldlm_mode_t mode, +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_init_ea_size(struct obd_export *exp, int easize, int def_easzie, - int cookiesize); +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_open(struct obd_export *exp, obd_id ino, int type, int flags, struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh, @@ -127,22 +108,24 @@ int mdc_open(struct obd_export *exp, obd_id ino, int type, int flags, 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); + 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, @@ -150,14 +133,52 @@ int mdc_rename(struct obd_export *exp, struct md_op_data *op_data, 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 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); + 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); +} + +static inline unsigned long hash_x_index(__u64 hash, int hash64) +{ +#ifdef __KERNEL__ + if (BITS_PER_LONG == 32 && hash64) + hash >>= 32; +#endif + /* save hash 0 with hash 1 */ + return ~0UL - (hash + !hash); +} + #endif