X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_capa.h;h=abc1033bb5ee93adf3fa1746ddc05ad122117121;hb=1ccdab699584306383dc21ff2c0f48bce70f6660;hp=7f65a4471be5f298335d3e9086b6ef4fa33e8a8e;hpb=cefa8cda2ba2d288ccaa4ec077a6c627592503ea;p=fs%2Flustre-release.git diff --git a/lustre/include/lustre_capa.h b/lustre/include/lustre_capa.h index 7f65a44..abc1033 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/ @@ -41,6 +41,11 @@ #ifndef __LINUX_CAPA_H_ #define __LINUX_CAPA_H_ +/** \defgroup capa capa + * + * @{ + */ + /* * capability */ @@ -66,27 +71,27 @@ struct capa_hmac_alg { } struct client_capa { - struct inode *inode; - struct list_head lli_list; /* link to lli_oss_capas */ + struct inode *inode; + cfs_list_t lli_list; /* link to lli_oss_capas */ }; struct target_capa { - struct hlist_node c_hash; /* link to capa hash */ + cfs_hlist_node_t c_hash; /* link to capa hash */ }; struct obd_capa { - struct list_head c_list; /* link to capa_list */ + cfs_list_t c_list; /* link to capa_list */ struct lustre_capa c_capa; /* capa */ - atomic_t c_refc; /* ref count */ + cfs_atomic_t c_refc; /* ref count */ cfs_time_t c_expiry; /* jiffies */ - spinlock_t c_lock; /* protect capa content */ - int c_site; + spinlock_t c_lock; /* protect capa content */ + int c_site; - union { - struct client_capa cli; - struct target_capa tgt; - } u; + union { + struct client_capa cli; + struct target_capa tgt; + } u; }; enum { @@ -130,9 +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) @@ -150,35 +155,39 @@ 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 struct list_head capa_list[]; +extern cfs_list_t capa_list[]; extern spinlock_t capa_lock; extern int capa_count[]; extern cfs_mem_cache_t *capa_cachep; -struct hlist_head *init_capa_hash(void); -void cleanup_capa_hash(struct hlist_head *hash); +cfs_hlist_head_t *init_capa_hash(void); +void cleanup_capa_hash(cfs_hlist_head_t *hash); -struct obd_capa *capa_add(struct hlist_head *hash, struct lustre_capa *capa); -struct obd_capa *capa_lookup(struct hlist_head *hash, struct lustre_capa *capa, - int alive); +struct obd_capa *capa_add(cfs_hlist_head_t *hash, + struct lustre_capa *capa); +struct obd_capa *capa_lookup(cfs_hlist_head_t *hash, + struct lustre_capa *capa, int alive); int capa_hmac(__u8 *hmac, struct lustre_capa *capa, __u8 *key); int capa_encrypt_id(__u32 *d, __u32 *s, __u8 *key, int keylen); @@ -192,13 +201,13 @@ static inline struct obd_capa *alloc_capa(int site) if (unlikely(site != CAPA_SITE_CLIENT && site != CAPA_SITE_SERVER)) return ERR_PTR(-EINVAL); - OBD_SLAB_ALLOC(ocapa, capa_cachep, GFP_KERNEL, sizeof(*ocapa)); + OBD_SLAB_ALLOC_PTR(ocapa, capa_cachep); if (unlikely(!ocapa)) return ERR_PTR(-ENOMEM); CFS_INIT_LIST_HEAD(&ocapa->c_list); - atomic_set(&ocapa->c_refc, 1); - spin_lock_init(&ocapa->c_lock); + cfs_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); @@ -216,7 +225,7 @@ static inline struct obd_capa *capa_get(struct obd_capa *ocapa) if (!ocapa) return NULL; - atomic_inc(&ocapa->c_refc); + cfs_atomic_inc(&ocapa->c_refc); return ocapa; } @@ -225,17 +234,17 @@ static inline void capa_put(struct obd_capa *ocapa) if (!ocapa) return; - if (atomic_read(&ocapa->c_refc) == 0) { + if (cfs_atomic_read(&ocapa->c_refc) == 0) { DEBUG_CAPA(D_ERROR, &ocapa->c_capa, "refc is 0 for"); LBUG(); } - if (atomic_dec_and_test(&ocapa->c_refc)) { - LASSERT(list_empty(&ocapa->c_list)); + if (cfs_atomic_dec_and_test(&ocapa->c_refc)) { + LASSERT(cfs_list_empty(&ocapa->c_list)); if (ocapa->c_site == CAPA_SITE_CLIENT) { - LASSERT(list_empty(&ocapa->u.cli.lli_list)); + LASSERT(cfs_list_empty(&ocapa->u.cli.lli_list)); } else { - struct hlist_node *hnode; + cfs_hlist_node_t *hnode; hnode = &ocapa->u.tgt.c_hash; LASSERT(!hnode->next && !hnode->pprev); @@ -284,24 +293,8 @@ static inline int capa_opc_supported(struct lustre_capa *capa, __u64 opc) return (capa_opc(capa) & opc) == opc; } -static inline struct lustre_capa * -lustre_unpack_capa(struct lustre_msg *msg, unsigned int offset) -{ - struct lustre_capa *capa; - - capa = lustre_swab_buf(msg, offset, sizeof(*capa), - lustre_swab_lustre_capa); - if (capa == NULL) - CERROR("bufcount %u, bufsize %u\n", - lustre_msg_bufcount(msg), - (lustre_msg_bufcount(msg) <= offset) ? - -1 : lustre_msg_buflen(msg, offset)); - - return capa; -} - struct filter_capa_key { - struct list_head k_list; + cfs_list_t k_list; struct lustre_capa_key k_key; }; @@ -312,4 +305,7 @@ enum { }; #define BYPASS_CAPA (struct lustre_capa *)ERR_PTR(-ENOENT) + +/** @} capa */ + #endif /* __LINUX_CAPA_H_ */