diff options
Diffstat (limited to 'fs/xfs/xfs_ialloc.h')
| -rw-r--r-- | fs/xfs/xfs_ialloc.h | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h index bb5385475e1..95ad1c002d6 100644 --- a/fs/xfs/xfs_ialloc.h +++ b/fs/xfs/xfs_ialloc.h @@ -23,18 +23,20 @@ struct xfs_dinode; struct xfs_imap; struct xfs_mount; struct xfs_trans; +struct xfs_btree_cur; -/* - * Allocation parameters for inode allocation. - */ -#define XFS_IALLOC_INODES(mp) (mp)->m_ialloc_inos -#define XFS_IALLOC_BLOCKS(mp) (mp)->m_ialloc_blks - -/* - * Move inodes in clusters of this size. - */ +/* Move inodes in clusters of this size */ #define XFS_INODE_BIG_CLUSTER_SIZE 8192 -#define XFS_INODE_CLUSTER_SIZE(mp) (mp)->m_inode_cluster_size + +/* Calculate and return the number of filesystem blocks per inode cluster */ +static inline int +xfs_icluster_size_fsb( + struct xfs_mount *mp) +{ + if (mp->m_sb.sb_blocksize >= mp->m_inode_cluster_size) + return 1; + return mp->m_inode_cluster_size >> mp->m_sb.sb_blocklog; +} /* * Make an inode pointer out of the buffer/offset. @@ -42,20 +44,11 @@ struct xfs_trans; static inline struct xfs_dinode * xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o) { - return (xfs_dinode_t *) + return (struct xfs_dinode *) (xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog)); } /* - * Find a free (set) bit in the inode bitmask. - */ -static inline int xfs_ialloc_find_free(xfs_inofree_t *fp) -{ - return xfs_lowbit64(*fp); -} - - -/* * Allocate an inode on disk. * Mode is used to tell whether the new inode will need space, and whether * it is a directory. @@ -81,11 +74,9 @@ int /* error */ xfs_dialloc( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t parent, /* parent inode (directory) */ - mode_t mode, /* mode bits for new inode */ + umode_t mode, /* mode bits for new inode */ int okalloc, /* ok to allocate more space */ struct xfs_buf **agbp, /* buf for a.g. inode header */ - boolean_t *alloc_done, /* an allocation was done to replenish - the free inodes */ xfs_ino_t *inop); /* inode number allocated */ /* @@ -99,7 +90,7 @@ xfs_difree( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t inode, /* inode to be freed */ struct xfs_bmap_free *flist, /* extents to free */ - int *delete, /* set if inode cluster was deleted */ + int *deleted, /* set if inode cluster was deleted */ xfs_ino_t *first_ino); /* first inode in deleted cluster */ /* @@ -158,7 +149,15 @@ int xfs_inobt_lookup(struct xfs_btree_cur *cur, xfs_agino_t ino, /* * Get the data from the pointed-to record. */ -extern int xfs_inobt_get_rec(struct xfs_btree_cur *cur, +int xfs_inobt_get_rec(struct xfs_btree_cur *cur, xfs_inobt_rec_incore_t *rec, int *stat); +/* + * Inode chunk initialisation routine + */ +int xfs_ialloc_inode_init(struct xfs_mount *mp, struct xfs_trans *tp, + struct list_head *buffer_list, + xfs_agnumber_t agno, xfs_agblock_t agbno, + xfs_agblock_t length, unsigned int gen); + #endif /* __XFS_IALLOC_H__ */ |
