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Diffstat (limited to 'fs/xfs/xfs_btree.h')
-rw-r--r--fs/xfs/xfs_btree.h20
1 files changed, 6 insertions, 14 deletions
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index 332b9f1da203..d30ee7498606 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 */