X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_internal.h;h=0de0ebd6013fa9b0121d892f5c129ae03d694f15;hp=2b4122d809d26002651a6fd57fdcbc7cfc8e0cec;hb=3cce65712d94cffe8f1626545845b95b88aef672;hpb=8c82ab5cd92ee70a4cda2fe6437861e56f3fe3d5 diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h index 2b4122d..0de0ebd 100644 --- a/lustre/mdc/mdc_internal.h +++ b/lustre/mdc/mdc_internal.h @@ -1,25 +1,33 @@ -/* -*- 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 @@ -27,143 +35,149 @@ #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; - } -} - -/* 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_file_sepol_pack(struct ptlrpc_request *req); + +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_migrate_pack(struct ptlrpc_request *req, struct md_op_data *op_data, + const char *name, size_t namelen); +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); -int mdc_resource_get_unused(struct obd_export *exp, struct lu_fid *fid, - struct list_head *cancels, ldlm_mode_t mode, + 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_res(struct obd_export *exp, + struct ldlm_res_id *res_id, + struct list_head *cancels, + enum ldlm_mode mode, __u64 bits); +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); 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, - 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); + 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); + +/* the minimum inline repsize should be PAGE_SIZE at least */ +#define MDC_DOM_DEF_INLINE_REPSIZE max(8192UL, PAGE_SIZE) +#define MDC_DOM_MAX_INLINE_REPSIZE XATTR_SIZE_MAX + #endif