fs/afs/internal.h

633 struct afs_volume {  struct
634 	struct rcu_head	rcu;
635 	afs_volid_t		vid;		/* The volume ID of this volume */
636 	afs_volid_t		vids[AFS_MAXTYPES]; /* All associated volume IDs */
637 	refcount_t		ref;
638 	time64_t		update_at;	/* Time at which to next update */
639 	struct afs_cell		*cell;		/* Cell to which belongs (pins ref) */
640 	struct rb_node		cell_node;	/* Link in cell->volumes */
641 	struct hlist_node	proc_link;	/* Link in cell->proc_volumes */
642 	struct super_block __rcu *sb;		/* Superblock on which inodes reside */
643 	struct work_struct	destructor;	/* Deferred destructor */
644 	unsigned long		flags;
652 	struct fscache_volume	*cache;		/* Caching cookie */
654 	struct afs_server_list __rcu *servers;	/* List of servers on which volume resides */
655 	rwlock_t		servers_lock;	/* Lock for ->servers */
656 	unsigned int		servers_seq;	/* Incremented each time ->servers changes */
659 	struct mutex		volsync_lock;	/* Time/state evaluation lock */
660 	time64_t		creation_time;	/* Volume creation time (or TIME64_MIN) */
661 	time64_t		update_time;	/* Volume update time (or TIME64_MIN) */
664 	struct mutex		cb_check_lock;	/* Lock to control race to check after v_break */
665 	time64_t		cb_expires_at;	/* Earliest volume callback expiry time */
666 	atomic_t		cb_ro_snapshot;	/* RO volume update-from-snapshot counter */
667 	atomic_t		cb_v_break;	/* Volume-break event counter. */
668 	atomic_t		cb_v_check;	/* Volume-break has-been-checked counter. */
669 	atomic_t		cb_scrub;	/* Scrub-all-data event counter. */
670 	rwlock_t		cb_v_break_lock;
671 	struct rw_semaphore	open_mmaps_lock;
672 	struct list_head	open_mmaps;	/* List of vnodes that are mmapped */
674 	afs_voltype_t		type;		/* type of volume */
675 	char			type_force;	/* force volume type (suppress R/O -> R/W) */
699 	struct afs_volume	*volume;	/* volume on which vnode resides */  argument