1 files changed, 51 insertions, 0 deletions

diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h
index e937d9991c18..7ef6b0fb951a 100644
--- a/fs/xfs/xfs_dir2.h
+++ b/fs/xfs/xfs_dir2.h
@@ -23,6 +23,11 @@ struct xfs_da_args;
 struct xfs_inode;
 struct xfs_mount;
 struct xfs_trans;
+struct xfs_dir2_sf_hdr;
+struct xfs_dir2_sf_entry;
+struct xfs_dir2_data_hdr;
+struct xfs_dir2_data_entry;
+struct xfs_dir2_data_unused;
 
 extern struct xfs_name  xfs_name_dotdot;
 
@@ -57,4 +62,50 @@ extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
  */
 extern int xfs_dir2_sf_to_block(struct xfs_da_args *args);
 
+/*
+ * Direct call on directory open, before entering the readdir code.
+ */
+extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
+                xfs_dablk_t bno, xfs_daddr_t mapped_bno);
+
+/*
+ * Interface routines used by userspace utilities
+ */
+extern xfs_ino_t xfs_dir2_sf_get_parent_ino(struct xfs_dir2_sf_hdr *sfp);
+extern void xfs_dir2_sf_put_parent_ino(struct xfs_dir2_sf_hdr *sfp,
+                xfs_ino_t ino);
+extern xfs_ino_t xfs_dir2_sfe_get_ino(struct xfs_dir2_sf_hdr *sfp,
+                struct xfs_dir2_sf_entry *sfep);
+extern void xfs_dir2_sfe_put_ino( struct xfs_dir2_sf_hdr *,
+                struct xfs_dir2_sf_entry *sfep, xfs_ino_t ino);
+
+extern int xfs_dir2_isblock(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
+extern int xfs_dir2_isleaf(struct xfs_trans *tp, struct xfs_inode *dp, int *r);
+extern int xfs_dir2_shrink_inode(struct xfs_da_args *args, xfs_dir2_db_t db,
+                                struct xfs_buf *bp);
+
+extern void xfs_dir2_data_freescan(struct xfs_mount *mp,
+                struct xfs_dir2_data_hdr *hdr, int *loghead);
+extern void xfs_dir2_data_log_entry(struct xfs_trans *tp, struct xfs_buf *bp,
+                struct xfs_dir2_data_entry *dep);
+extern void xfs_dir2_data_log_header(struct xfs_trans *tp,
+                struct xfs_buf *bp);
+extern void xfs_dir2_data_log_unused(struct xfs_trans *tp, struct xfs_buf *bp,
+                struct xfs_dir2_data_unused *dup);
+extern void xfs_dir2_data_make_free(struct xfs_trans *tp, struct xfs_buf *bp,
+                xfs_dir2_data_aoff_t offset, xfs_dir2_data_aoff_t len,
+                int *needlogp, int *needscanp);
+extern void xfs_dir2_data_use_free(struct xfs_trans *tp, struct xfs_buf *bp,
+                struct xfs_dir2_data_unused *dup, xfs_dir2_data_aoff_t offset,
+                xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
+
+extern struct xfs_dir2_data_free *xfs_dir2_data_freefind(
+                struct xfs_dir2_data_hdr *hdr, struct xfs_dir2_data_unused *dup);
+
+extern const struct xfs_buf_ops xfs_dir3_block_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_free_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
+
 #endif  /* __XFS_DIR2_H__ */