diff options
Diffstat (limited to 'fs/xfs/xfs_btree.h')
| -rw-r--r-- | fs/xfs/xfs_btree.h | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h index 332b9f1..d30ee74 100644 --- a/fs/xfs/xfs_btree.h +++ b/fs/xfs/xfs_btree.h @@ -131,6 +131,11 @@ extern const __uint32_t xfs_magics[]; #define XFS_BTREE_MAXLEVELS 8 /* max of all btrees */ +struct xfs_btree_ops { + /* cursor operations */ + struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); +}; + /* * Btree cursor structure. * This collects all information needed by the btree code in one place. @@ -139,6 +144,7 @@ typedef struct xfs_btree_cur { struct xfs_trans *bc_tp; /* transaction we're in, if any */ struct xfs_mount *bc_mp; /* file system mount struct */ + const struct xfs_btree_ops *bc_ops; union { xfs_alloc_rec_incore_t a; xfs_bmbt_irec_t b; @@ -308,20 +314,6 @@ xfs_btree_get_bufs( uint lock); /* lock flags for get_buf */ /* - * Allocate a new btree cursor. - * The cursor is either for allocation (A) or bmap (B). - */ -xfs_btree_cur_t * /* new btree cursor */ -xfs_btree_init_cursor( - struct xfs_mount *mp, /* file system mount point */ - struct xfs_trans *tp, /* transaction pointer */ - struct xfs_buf *agbp, /* (A only) buffer for agf structure */ - xfs_agnumber_t agno, /* (A only) allocation group number */ - xfs_btnum_t btnum, /* btree identifier */ - struct xfs_inode *ip, /* (B only) inode owning the btree */ - int whichfork); /* (B only) data/attr fork */ - -/* * Check for the cursor referring to the last block at the given level. */ int /* 1=is last block, 0=not last block */ |
