X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fosc%2Fosc_internal.h;h=7293627f6e889413e99e4793708497dd16ba3d6a;hb=364c4cdb58ed75996017d35dcbbc7e7acc6d076e;hp=18148c80534b2b420c2b7fecd43c4bd1678dd44b;hpb=113303973ec9f8484eb2355a1a6ef3c4c7fd6a56;p=fs%2Flustre-release.git diff --git a/lustre/osc/osc_internal.h b/lustre/osc/osc_internal.h index 18148c8..7293627 100644 --- a/lustre/osc/osc_internal.h +++ b/lustre/osc/osc_internal.h @@ -1,5 +1,37 @@ -/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*- - * vim:expandtab:shiftwidth=8:tabstop=8: +/* + * 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, 2012, Whamcloud, Inc. + */ +/* + * This file is part of Lustre, http://www.lustre.org/ + * Lustre is a trademark of Sun Microsystems, Inc. */ #ifndef OSC_INTERNAL_H @@ -7,14 +39,26 @@ #define OAP_MAGIC 8675309 +struct lu_env; + +enum async_flags { + ASYNC_READY = 0x1, /* ap_make_ready will not be called before this + page is added to an rpc */ + ASYNC_URGENT = 0x2, /* page must be put into an RPC before return */ + ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called + to give the caller a chance to update + or cancel the size of the io */ + ASYNC_HP = 0x10, +}; + struct osc_async_page { int oap_magic; unsigned short oap_cmd; unsigned short oap_interrupted:1; - struct list_head oap_pending_item; - struct list_head oap_urgent_item; - struct list_head oap_rpc_item; + cfs_list_t oap_pending_item; + cfs_list_t oap_urgent_item; + cfs_list_t oap_rpc_item; obd_off oap_obj_off; unsigned oap_page_off; @@ -22,28 +66,22 @@ struct osc_async_page { struct brw_page oap_brw_page; - struct oig_callback_context oap_occ; - struct obd_io_group *oap_oig; struct ptlrpc_request *oap_request; struct client_obd *oap_cli; - struct lov_oinfo *oap_loi; + struct osc_object *oap_obj; - struct obd_async_page_ops *oap_caller_ops; - void *oap_caller_data; + struct ldlm_lock *oap_ldlm_lock; + cfs_spinlock_t oap_lock; }; #define oap_page oap_brw_page.pg #define oap_count oap_brw_page.count #define oap_brw_flags oap_brw_page.flag -#define OAP_FROM_COOKIE(c) \ - (LASSERT(((struct osc_async_page *)(c))->oap_magic == OAP_MAGIC), \ - (struct osc_async_page *)(c)) - struct osc_cache_waiter { - struct list_head ocw_entry; + cfs_list_t ocw_entry; cfs_waitq_t ocw_waitq; - struct osc_async_page *ocw_oap; + struct osc_async_page *ocw_oap; int ocw_rc; }; @@ -53,23 +91,128 @@ struct osc_cache_waiter { #define OSCC_FLAG_SYNC_IN_PROGRESS 0x08 /* only allow one thread to sync */ #define OSCC_FLAG_LOW 0x10 #define OSCC_FLAG_EXITING 0x20 - -int osc_create(struct obd_export *exp, struct obdo *oa, - struct lov_stripe_md **ea, struct obd_trans_info *oti); +#define OSCC_FLAG_DEGRADED 0x40 +#define OSCC_FLAG_RDONLY 0x80 +#define OSCC_FLAG_NOSPC_BLK 0x100 /* no more block space on OST */ + +int osc_precreate(struct obd_export *exp); +int osc_create(const struct lu_env *env, struct obd_export *exp, + struct obdo *oa, struct lov_stripe_md **ea, + struct obd_trans_info *oti); +int osc_create_async(struct obd_export *exp, struct obd_info *oinfo, + struct lov_stripe_md **ea, struct obd_trans_info *oti); int osc_real_create(struct obd_export *exp, struct obdo *oa, - struct lov_stripe_md **ea, struct obd_trans_info *oti); + struct lov_stripe_md **ea, struct obd_trans_info *oti); void oscc_init(struct obd_device *obd); void osc_wake_cache_waiters(struct client_obd *cli); +int osc_shrink_grant_to_target(struct client_obd *cli, long target); +void osc_update_next_shrink(struct client_obd *cli); + +/* + * cl integration. + */ +#include + +extern struct ptlrpc_request_set *PTLRPCD_SET; + +int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id, + int *flags, ldlm_policy_data_t *policy, + struct ost_lvb *lvb, int kms_valid, + obd_enqueue_update_f upcall, + void *cookie, struct ldlm_enqueue_info *einfo, + struct lustre_handle *lockh, + struct ptlrpc_request_set *rqset, int async, int agl); +int osc_cancel_base(struct lustre_handle *lockh, __u32 mode); + +int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id, + __u32 type, ldlm_policy_data_t *policy, __u32 mode, + int *flags, void *data, struct lustre_handle *lockh, + int unref); + +int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo, + struct obd_trans_info *oti, + obd_enqueue_update_f upcall, void *cookie, + struct ptlrpc_request_set *rqset); +int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo, + obd_enqueue_update_f upcall, void *cookie, + struct ptlrpc_request_set *rqset); + +int osc_process_config_base(struct obd_device *obd, struct lustre_cfg *cfg); +int osc_build_rpc(const struct lu_env *env, struct client_obd *cli, + cfs_list_t *rpc_list, int page_count, int cmd, + pdl_policy_t p); + +struct cl_page *osc_oap2cl_page(struct osc_async_page *oap); +extern cfs_spinlock_t osc_ast_guard; + +int osc_cleanup(struct obd_device *obd); +int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg); #ifdef LPROCFS int lproc_osc_attach_seqstat(struct obd_device *dev); +void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars); #else static inline int lproc_osc_attach_seqstat(struct obd_device *dev) {return 0;} +static inline void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars) +{ + memset(lvars, 0, sizeof(*lvars)); +} #endif +extern struct lu_device_type osc_device_type; + +static inline int osc_recoverable_error(int rc) +{ + return (rc == -EIO || rc == -EROFS || rc == -ENOMEM || + rc == -EAGAIN || rc == -EINPROGRESS); +} + +static inline unsigned long rpcs_in_flight(struct client_obd *cli) +{ + return cli->cl_r_in_flight + cli->cl_w_in_flight; +} + #ifndef min_t #define min_t(type,x,y) \ ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) #endif +struct osc_device { + struct cl_device od_cl; + struct obd_export *od_exp; + + /* Write stats is actually protected by client_obd's lock. */ + struct osc_stats { + uint64_t os_lockless_writes; /* by bytes */ + uint64_t os_lockless_reads; /* by bytes */ + uint64_t os_lockless_truncates; /* by times */ + } od_stats; + + /* configuration item(s) */ + int od_contention_time; + int od_lockless_truncate; +}; + +static inline struct osc_device *obd2osc_dev(const struct obd_device *d) +{ + return container_of0(d->obd_lu_dev, struct osc_device, od_cl.cd_lu_dev); +} + +int osc_dlm_lock_pageref(struct ldlm_lock *dlm); + +int osc_quota_init(void); +int osc_quota_exit(void); +int osc_quota_cleanup(struct obd_device *obd); +int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[], + obd_flag valid, obd_flag flags); +int osc_quota_chkdq(struct client_obd *cli, const unsigned int qid[]); +int osc_quotactl(struct obd_device *unused, struct obd_export *exp, + struct obd_quotactl *oqctl); +int osc_quotacheck(struct obd_device *unused, struct obd_export *exp, + struct obd_quotactl *oqctl); +int osc_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk); +int osc_quota_adjust_qunit(struct obd_export *exp, + struct quota_adjust_qunit *oqaq, + struct lustre_quota_ctxt *qctxt, + struct ptlrpc_request_set *rqset); #endif /* OSC_INTERNAL_H */