X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fmdc%2Fmdc_internal.h;h=f32b4a8fb331e0032af4dfaa4924c6556ee247e0;hp=2b459b4f0b4da9f7bb7828bdbfc22e76b6a486b2;hb=08aa217ce49aba1ded52e0f7adb8a607035123fd;hpb=090c677210ee2946d99c71412e4ff762bb300f4f diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h index 2b459b4..f32b4a8 100644 --- a/lustre/mdc/mdc_internal.h +++ b/lustre/mdc/mdc_internal.h @@ -1,66 +1,171 @@ -void mdc_pack_req_body(struct ptlrpc_request *); -void mdc_pack_rep_body(struct ptlrpc_request *); -void mdc_readdir_pack(struct ptlrpc_request *req, __u64 offset, __u32 size, - struct ll_fid *mdc_fid); -void mdc_getattr_pack(struct ptlrpc_request *req, int valid, int offset, - int flags, struct mdc_op_data *data); -void mdc_setattr_pack(struct ptlrpc_request *req, - struct mdc_op_data *data, - struct iattr *iattr, void *ea, int ealen, - void *ea2, int ea2len); -void mdc_create_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *op_data, __u32 mode, __u64 rdev, - const void *data, int datalen); -void mdc_open_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *op_data, __u32 mode, __u64 rdev, - __u32 flags, const void *data, int datalen); -void mdc_unlink_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data); -void mdc_link_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data); -void mdc_rename_pack(struct ptlrpc_request *req, int offset, - struct mdc_op_data *data, - const char *old, int oldlen, const char *new, int newlen); +/* + * 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. + */ -struct mdc_open_data { - struct obd_client_handle *mod_och; - struct ptlrpc_request *mod_open_req; - struct ptlrpc_request *mod_close_req; -}; +#ifndef _MDC_INTERNAL_H +#define _MDC_INTERNAL_H -struct mdc_rpc_lock { - struct semaphore rpcl_sem; - struct lookup_intent *rpcl_it; -}; +#include +#include -static inline void mdc_init_rpc_lock(struct mdc_rpc_lock *lck) +#ifdef LPROCFS +void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars); +#else +static inline void lprocfs_mdc_init_vars(struct lprocfs_static_vars *lvars) { - sema_init(&lck->rpcl_sem, 1); - lck->rpcl_it = NULL; + memset(lvars, 0, sizeof(*lvars)); } +#endif -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; - } -} +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_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, __u32 flags, const void *data, + int datalen); +void mdc_unlink_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_change_cbdata(struct obd_export *exp, const struct lu_fid *fid, + ldlm_iterator_t it, void *data); + +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, struct lu_fid *fid, + cfs_list_t *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, obd_id ino, int type, int flags, + struct lov_mds_md *lmm, int lmm_size, struct lustre_handle *fh, + struct ptlrpc_request **); -static inline void mdc_put_rpc_lock(struct mdc_rpc_lock *lck, - struct lookup_intent *it) +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 ptlrpc_request *open_req); + +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) { - 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); - } + 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); + +#endif