diff options
Diffstat (limited to 'fs/afs/internal.h')
| -rw-r--r-- | fs/afs/internal.h | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/fs/afs/internal.h b/fs/afs/internal.h index e3c99437f6e0..7c318666e436 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -389,8 +389,7 @@ struct afs_vnode { #ifdef CONFIG_AFS_FSCACHE struct fscache_cookie *cache; /* caching cookie */ #endif - struct afs_permits *permits; /* cache of permits so far obtained */ - struct mutex permits_lock; /* lock for altering permits list */ + struct afs_permits *permit_cache; /* cache of permits so far obtained */ struct mutex validate_lock; /* lock for validating this vnode */ wait_queue_head_t update_waitq; /* status fetch waitqueue */ int update_cnt; /* number of outstanding ops that will update the @@ -411,8 +410,6 @@ struct afs_vnode { #define AFS_VNODE_AUTOCELL 10 /* set if Vnode is an auto mount point */ #define AFS_VNODE_PSEUDODIR 11 /* set if Vnode is a pseudo directory */ - long acl_order; /* ACL check count (callback break count) */ - struct list_head writebacks; /* alterations in pagecache that need writing */ struct list_head pending_locks; /* locks waiting to be granted */ struct list_head granted_locks; /* locks granted on this file */ @@ -435,16 +432,21 @@ struct afs_vnode { */ struct afs_permit { struct key *key; /* RxRPC ticket holding a security context */ - afs_access_t access_mask; /* access mask for this key */ + afs_access_t access; /* CallerAccess value for this key */ }; /* - * cache of security records from attempts to access a vnode + * Immutable cache of CallerAccess records from attempts to access vnodes. + * These may be shared between multiple vnodes. */ struct afs_permits { - struct rcu_head rcu; /* disposal procedure */ - int count; /* number of records */ - struct afs_permit permits[0]; /* the permits so far examined */ + struct rcu_head rcu; + struct hlist_node hash_node; /* Link in hash */ + unsigned long h; /* Hash value for this permit list */ + refcount_t usage; + unsigned short nr_permits; /* Number of records */ + bool invalidated; /* Invalidated due to key change */ + struct afs_permit permits[]; /* List of permits sorted by key pointer */ }; /* @@ -682,11 +684,13 @@ static inline int afs_transfer_reply(struct afs_call *call) /* * security.c */ +extern void afs_put_permits(struct afs_permits *); extern void afs_clear_permits(struct afs_vnode *); -extern void afs_cache_permit(struct afs_vnode *, struct key *, long); +extern void afs_cache_permit(struct afs_vnode *, struct key *, unsigned int); extern void afs_zap_permits(struct rcu_head *); extern struct key *afs_request_key(struct afs_cell *); extern int afs_permission(struct inode *, int); +extern void __exit afs_clean_up_permit_cache(void); /* * server.c @@ -757,8 +761,7 @@ static inline struct inode *AFS_VNODE_TO_I(struct afs_vnode *vnode) extern void afs_vnode_finalise_status_update(struct afs_vnode *, struct afs_server *); -extern int afs_vnode_fetch_status(struct afs_vnode *, struct afs_vnode *, - struct key *, bool); +extern int afs_vnode_fetch_status(struct afs_vnode *, struct key *, bool); extern int afs_vnode_fetch_data(struct afs_vnode *, struct key *, struct afs_read *); extern int afs_vnode_create(struct afs_vnode *, struct key *, const char *, |