xfs/libxfs/xfs_ag.h

32 struct xfs_perag {  struct
33 	struct xfs_mount *pag_mount;	/* owner filesystem */
34 	xfs_agnumber_t	pag_agno;	/* AG this structure belongs to */
35 	atomic_t	pag_ref;	/* passive reference count */
36 	atomic_t	pag_active_ref;	/* active reference count */
37 	wait_queue_head_t pag_active_wq;/* woken active_ref falls to zero */
38 	unsigned long	pag_opstate;
39 	uint8_t		pagf_levels[XFS_BTNUM_AGF];
41 	uint32_t	pagf_flcount;	/* count of blocks in freelist */
42 	xfs_extlen_t	pagf_freeblks;	/* total free blocks */
43 	xfs_extlen_t	pagf_longest;	/* longest free space */
44 	uint32_t	pagf_btreeblks;	/* # of blocks held in AGF btrees */
45 	xfs_agino_t	pagi_freecount;	/* number of free inodes */
46 	xfs_agino_t	pagi_count;	/* number of allocated inodes */
53 	xfs_agino_t	pagl_pagino;
54 	xfs_agino_t	pagl_leftrec;
55 	xfs_agino_t	pagl_rightrec;
57 	int		pagb_count;	/* pagb slots in use */
58 	uint8_t		pagf_refcount_level; /* recount btree height */
61 	struct xfs_ag_resv	pag_meta_resv;
63 	struct xfs_ag_resv	pag_rmapbt_resv;
66 	struct rcu_head	rcu_head;
69 	xfs_agblock_t		block_count;
70 	xfs_agblock_t		min_block;
71 	xfs_agino_t		agino_min;
72 	xfs_agino_t		agino_max;
81 	uint16_t	pag_checked;
82 	uint16_t	pag_sick;
89 	uint8_t		pagf_repair_levels[XFS_BTNUM_AGF];
90 	uint8_t		pagf_repair_refcount_level;
93 	spinlock_t	pag_state_lock;
95 	spinlock_t	pagb_lock;	/* lock for pagb_tree */
96 	struct rb_root	pagb_tree;	/* ordered tree of busy extents */
97 	unsigned int	pagb_gen;	/* generation count for pagb_tree */
98 	wait_queue_head_t pagb_wait;	/* woken when pagb_gen changes */
100 	atomic_t        pagf_fstrms;    /* # of filestreams active in this AG */
102 	spinlock_t	pag_ici_lock;	/* incore inode cache lock */
103 	struct radix_tree_root pag_ici_root;	/* incore inode cache root */
104 	int		pag_ici_reclaimable;	/* reclaimable inodes */
105 	unsigned long	pag_ici_reclaim_cursor;	/* reclaim restart point */
108 	spinlock_t	pag_buf_lock;	/* lock for pag_buf_hash */
109 	struct rhashtable pag_buf_hash;
135 static inline bool xfs_perag_ ## name (struct xfs_perag *pag) \  argument