X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_capa.h;h=b83cd6faa3238f1853789ce8559d71fd655cedbd;hb=0347ad57ee875b730c3ec0da203857a5c86fc394;hp=73d7b724bb84a139fd6f008bb6b4c76352c9fbd1;hpb=90dfed8469d46f4b79ebdff8121eb109b5db6746;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre_capa.h b/lustre/include/lustre_capa.h index 73d7b72..b83cd6f 100644 --- a/lustre/include/lustre_capa.h +++ b/lustre/include/lustre_capa.h @@ -1,6 +1,4 @@ -/* -*- 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. @@ -26,8 +24,10 @@ * GPL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved + * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2012, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -80,18 +80,18 @@ struct target_capa { }; struct obd_capa { - cfs_list_t c_list; /* link to capa_list */ - - struct lustre_capa c_capa; /* capa */ - cfs_atomic_t c_refc; /* ref count */ - cfs_time_t c_expiry; /* jiffies */ - cfs_spinlock_t c_lock; /* protect capa content */ - int c_site; - - union { - struct client_capa cli; - struct target_capa tgt; - } u; + cfs_list_t c_list; /* link to capa_list */ + + struct lustre_capa c_capa; /* capa */ + atomic_t c_refc; /* ref count */ + cfs_time_t c_expiry; /* jiffies */ + spinlock_t c_lock; /* protect capa content */ + int c_site; + + union { + struct client_capa cli; + struct target_capa tgt; + } u; }; enum { @@ -135,9 +135,9 @@ static inline __u32 capa_keyid(struct lustre_capa *capa) return capa->lc_keyid; } -static inline __u64 capa_key_mdsid(struct lustre_capa_key *key) +static inline __u64 capa_key_seq(struct lustre_capa_key *key) { - return key->lk_mdsid; + return key->lk_seq; } static inline __u32 capa_key_keyid(struct lustre_capa_key *key) @@ -155,28 +155,31 @@ static inline __u32 capa_expiry(struct lustre_capa *capa) return capa->lc_expiry; } -#define DEBUG_CAPA(level, c, fmt, args...) \ +void _debug_capa(struct lustre_capa *, struct libcfs_debug_msg_data *, + const char *fmt, ... ); +#define DEBUG_CAPA(level, capa, fmt, args...) \ do { \ -CDEBUG(level, fmt " capability@%p fid "DFID" opc "LPX64" uid "LPU64" gid " \ - LPU64" flags %u alg %d keyid %u timeout %u expiry %u\n", \ - ##args, c, PFID(capa_fid(c)), capa_opc(c), capa_uid(c), capa_gid(c), \ - capa_flags(c), capa_alg(c), capa_keyid(c), capa_timeout(c), \ - capa_expiry(c)); \ + if (((level) & D_CANTMASK) != 0 || \ + ((libcfs_debug & (level)) != 0 && \ + (libcfs_subsystem_debug & DEBUG_SUBSYSTEM) != 0)) { \ + LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, NULL); \ + _debug_capa((capa), &msgdata, fmt, ##args); \ + } \ } while (0) #define DEBUG_CAPA_KEY(level, k, fmt, args...) \ do { \ -CDEBUG(level, fmt " capability key@%p mdsid "LPU64" keyid %u\n", \ - ##args, k, capa_key_mdsid(k), capa_key_keyid(k)); \ +CDEBUG(level, fmt " capability key@%p seq "LPU64" keyid %u\n", \ + ##args, k, capa_key_seq(k), capa_key_keyid(k)); \ } while (0) typedef int (* renew_capa_cb_t)(struct obd_capa *, struct lustre_capa *); /* obdclass/capa.c */ extern cfs_list_t capa_list[]; -extern cfs_spinlock_t capa_lock; +extern spinlock_t capa_lock; extern int capa_count[]; -extern cfs_mem_cache_t *capa_cachep; +extern struct kmem_cache *capa_cachep; cfs_hlist_head_t *init_capa_hash(void); void cleanup_capa_hash(cfs_hlist_head_t *hash); @@ -202,10 +205,10 @@ static inline struct obd_capa *alloc_capa(int site) if (unlikely(!ocapa)) return ERR_PTR(-ENOMEM); - CFS_INIT_LIST_HEAD(&ocapa->c_list); - cfs_atomic_set(&ocapa->c_refc, 1); - cfs_spin_lock_init(&ocapa->c_lock); - ocapa->c_site = site; + CFS_INIT_LIST_HEAD(&ocapa->c_list); + atomic_set(&ocapa->c_refc, 1); + spin_lock_init(&ocapa->c_lock); + ocapa->c_site = site; if (ocapa->c_site == CAPA_SITE_CLIENT) CFS_INIT_LIST_HEAD(&ocapa->u.cli.lli_list); else @@ -219,29 +222,29 @@ static inline struct obd_capa *alloc_capa(int site) static inline struct obd_capa *capa_get(struct obd_capa *ocapa) { - if (!ocapa) - return NULL; + if (!ocapa) + return NULL; - cfs_atomic_inc(&ocapa->c_refc); - return ocapa; + atomic_inc(&ocapa->c_refc); + return ocapa; } static inline void capa_put(struct obd_capa *ocapa) { - if (!ocapa) - return; + if (!ocapa) + return; - if (cfs_atomic_read(&ocapa->c_refc) == 0) { - DEBUG_CAPA(D_ERROR, &ocapa->c_capa, "refc is 0 for"); - LBUG(); - } + if (atomic_read(&ocapa->c_refc) == 0) { + DEBUG_CAPA(D_ERROR, &ocapa->c_capa, "refc is 0 for"); + LBUG(); + } - if (cfs_atomic_dec_and_test(&ocapa->c_refc)) { - LASSERT(cfs_list_empty(&ocapa->c_list)); - if (ocapa->c_site == CAPA_SITE_CLIENT) { - LASSERT(cfs_list_empty(&ocapa->u.cli.lli_list)); - } else { - cfs_hlist_node_t *hnode; + if (atomic_dec_and_test(&ocapa->c_refc)) { + LASSERT(cfs_list_empty(&ocapa->c_list)); + if (ocapa->c_site == CAPA_SITE_CLIENT) { + LASSERT(cfs_list_empty(&ocapa->u.cli.lli_list)); + } else { + cfs_hlist_node_t *hnode; hnode = &ocapa->u.tgt.c_hash; LASSERT(!hnode->next && !hnode->pprev); @@ -295,14 +298,31 @@ struct filter_capa_key { struct lustre_capa_key k_key; }; -enum { - LC_ID_NONE = 0, - LC_ID_PLAIN = 1, - LC_ID_CONVERT = 2 +enum lc_auth_id { + LC_ID_NONE = 0, + LC_ID_PLAIN = 1, + LC_ID_CONVERT = 2 }; #define BYPASS_CAPA (struct lustre_capa *)ERR_PTR(-ENOENT) +enum { + LU_CAPAINFO_MAX = 5 +}; + +/** there are at most 5 FIDs in one operation, see rename, + * NOTE the last one is a temporary one used for is_subdir() */ +struct lu_capainfo { + enum lc_auth_id lci_auth; + __u32 lci_padding; + struct lu_fid lci_fid[LU_CAPAINFO_MAX]; + struct lustre_capa *lci_capa[LU_CAPAINFO_MAX]; +}; + +int lu_capainfo_init(void); +void lu_capainfo_fini(void); +struct lu_capainfo *lu_capainfo_get(const struct lu_env *env); + /** @} capa */ #endif /* __LINUX_CAPA_H_ */