diff options
Diffstat (limited to 'fs/cachefiles/internal.h')
| -rw-r--r-- | fs/cachefiles/internal.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index 77e874c2bbe7..ab0e9307be7b 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -20,6 +20,17 @@ struct cachefiles_cache; struct cachefiles_object; /* + * Cached volume representation. + */ +struct cachefiles_volume { + struct cachefiles_cache *cache; + struct list_head cache_link; /* Link in cache->volumes */ + struct fscache_volume *vcookie; /* The netfs's representation */ + struct dentry *dentry; /* The volume dentry */ + struct dentry *fanout[256]; /* Fanout subdirs */ +}; + +/* * Data file records. */ struct cachefiles_object { @@ -35,6 +46,8 @@ struct cachefiles_cache { struct dentry *store; /* Directory into which live objects go */ struct dentry *graveyard; /* directory into which dead objects go */ struct file *cachefilesd; /* manager daemon handle */ + struct list_head volumes; /* List of volume objects */ + spinlock_t object_list_lock; /* Lock for volumes and object_list */ const struct cred *cache_cred; /* security override for accessing cache */ struct mutex daemon_mutex; /* command serialisation mutex */ wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */ @@ -164,6 +177,13 @@ static inline void cachefiles_end_secure(struct cachefiles_cache *cache, } /* + * volume.c + */ +void cachefiles_acquire_volume(struct fscache_volume *volume); +void cachefiles_free_volume(struct fscache_volume *volume); +void cachefiles_withdraw_volume(struct cachefiles_volume *volume); + +/* * Error handling */ #define cachefiles_io_error(___cache, FMT, ...) \ |