fs/afs/internal.h

612 struct afs_volume {  struct
613 	struct rcu_head	rcu;
614 	afs_volid_t		vid;		/* The volume ID of this volume */
615 	afs_volid_t		vids[AFS_MAXTYPES]; /* All associated volume IDs */
616 	refcount_t		ref;
617 	unsigned int		debug_id;	/* Debugging ID for traces */
618 	time64_t		update_at;	/* Time at which to next update */
619 	struct afs_cell		*cell;		/* Cell to which belongs (pins ref) */
620 	struct rb_node		cell_node;	/* Link in cell->volumes */
621 	struct hlist_node	proc_link;	/* Link in cell->proc_volumes */
622 	struct super_block __rcu *sb;		/* Superblock on which inodes reside */
623 	struct work_struct	destructor;	/* Deferred destructor */
624 	unsigned long		flags;
632 	struct fscache_volume	*cache;		/* Caching cookie */
634 	struct afs_server_list __rcu *servers;	/* List of servers on which volume resides */
635 	rwlock_t		servers_lock;	/* Lock for ->servers */
636 	unsigned int		servers_seq;	/* Incremented each time ->servers changes */
639 	struct mutex		volsync_lock;	/* Time/state evaluation lock */
640 	time64_t		creation_time;	/* Volume creation time (or TIME64_MIN) */
641 	time64_t		update_time;	/* Volume update time (or TIME64_MIN) */
644 	struct mutex		cb_check_lock;	/* Lock to control race to check after v_break */
645 	time64_t		cb_expires_at;	/* Earliest volume callback expiry time */
646 	atomic_t		cb_ro_snapshot;	/* RO volume update-from-snapshot counter */
647 	atomic_t		cb_v_break;	/* Volume-break event counter. */
648 	atomic_t		cb_v_check;	/* Volume-break has-been-checked counter. */
649 	atomic_t		cb_scrub;	/* Scrub-all-data event counter. */
650 	rwlock_t		cb_v_break_lock;
651 	struct rw_semaphore	open_mmaps_lock;
652 	struct list_head	open_mmaps;	/* List of vnodes that are mmapped */
654 	afs_voltype_t		type;		/* type of volume */
655 	char			type_force;	/* force volume type (suppress R/O -> R/W) */
679 	struct afs_volume	*volume;	/* volume on which vnode resides */  argument