diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap_btree.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap_btree.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.h b/fs/xfs/libxfs/xfs_rmap_btree.h index 115c3455a734..119b1567cd0e 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.h +++ b/fs/xfs/libxfs/xfs_rmap_btree.h @@ -10,6 +10,7 @@ struct xfs_buf; struct xfs_btree_cur; struct xfs_mount; struct xbtree_afakeroot; +struct xfbtree; /* rmaps only exist on crc enabled filesystems */ #define XFS_RMAP_BLOCK_LEN XFS_BTREE_SBLOCK_CRC_LEN @@ -43,12 +44,11 @@ struct xbtree_afakeroot; struct xfs_btree_cur *xfs_rmapbt_init_cursor(struct xfs_mount *mp, struct xfs_trans *tp, struct xfs_buf *bp, - xfs_agnumber_t agno); -struct xfs_btree_cur *xfs_rmapbt_stage_cursor(struct xfs_mount *mp, - struct xbtree_afakeroot *afake, xfs_agnumber_t agno); + struct xfs_perag *pag); void xfs_rmapbt_commit_staged_btree(struct xfs_btree_cur *cur, struct xfs_trans *tp, struct xfs_buf *agbp); -int xfs_rmapbt_maxrecs(int blocklen, int leaf); +unsigned int xfs_rmapbt_maxrecs(struct xfs_mount *mp, unsigned int blocklen, + bool leaf); extern void xfs_rmapbt_compute_maxlevels(struct xfs_mount *mp); extern xfs_extlen_t xfs_rmapbt_calc_size(struct xfs_mount *mp, @@ -57,6 +57,16 @@ extern xfs_extlen_t xfs_rmapbt_max_size(struct xfs_mount *mp, xfs_agblock_t agblocks); extern int xfs_rmapbt_calc_reserves(struct xfs_mount *mp, struct xfs_trans *tp, - xfs_agnumber_t agno, xfs_extlen_t *ask, xfs_extlen_t *used); + struct xfs_perag *pag, xfs_extlen_t *ask, xfs_extlen_t *used); -#endif /* __XFS_RMAP_BTREE_H__ */ +unsigned int xfs_rmapbt_maxlevels_ondisk(void); + +int __init xfs_rmapbt_init_cur_cache(void); +void xfs_rmapbt_destroy_cur_cache(void); + +struct xfs_btree_cur *xfs_rmapbt_mem_cursor(struct xfs_perag *pag, + struct xfs_trans *tp, struct xfbtree *xfbtree); +int xfs_rmapbt_mem_init(struct xfs_mount *mp, struct xfbtree *xfbtree, + struct xfs_buftarg *btp, xfs_agnumber_t agno); + +#endif /* __XFS_RMAP_BTREE_H__ */ |