xfs: vectorise directory data operations

[firefly-linux-kernel-4.4.55.git] / fs / xfs / xfs_dir2.h

diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h
index 0e94b3e662afce4e55128cf69d887b89646ffdc9..c0a45923cce05436f6a7462915cac8dec2a8c150 100644 (file)
--- a/fs/xfs/xfs_dir2.h
+++ b/fs/xfs/xfs_dir2.h
@@ -50,6 +50,22 @@ struct xfs_dir_ops {
        xfs_ino_t (*sf_get_parent_ino)(struct xfs_dir2_sf_hdr *hdr);
        void    (*sf_put_parent_ino)(struct xfs_dir2_sf_hdr *hdr,
                                     xfs_ino_t ino);
+
+       int     (*data_entsize)(int len);
+       __uint8_t (*data_get_ftype)(struct xfs_dir2_data_entry *dep);
+       void    (*data_put_ftype)(struct xfs_dir2_data_entry *dep,
+                               __uint8_t ftype);
+       __be16 * (*data_entry_tag_p)(struct xfs_dir2_data_entry *dep);
+
+       xfs_dir2_data_aoff_t (*data_dot_offset)(void);
+       xfs_dir2_data_aoff_t (*data_dotdot_offset)(void);
+       xfs_dir2_data_aoff_t (*data_first_offset)(void);
+       struct xfs_dir2_data_entry *
+               (*data_dot_entry_p)(struct xfs_dir2_data_hdr *hdr);
+       struct xfs_dir2_data_entry *
+               (*data_dotdot_entry_p)(struct xfs_dir2_data_hdr *hdr);
+       struct xfs_dir2_data_entry *
+               (*data_first_entry_p)(struct xfs_dir2_data_hdr *hdr);
 };
 
 extern const struct xfs_dir_ops xfs_dir2_ops;
@@ -95,10 +111,10 @@ 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,
+extern void xfs_dir2_data_freescan(struct xfs_inode *dp,
                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_entry(struct xfs_trans *tp, struct xfs_inode *dp,
+               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,