[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/fs/befs/datastream.h b/ap/os/linux/linux-3.4.x/fs/befs/datastream.h
new file mode 100644
index 0000000..45e8a3c
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/fs/befs/datastream.h
@@ -0,0 +1,19 @@
+/*
+ * datastream.h
+ *
+ */
+
+struct buffer_head *befs_read_datastream(struct super_block *sb,
+ befs_data_stream * ds, befs_off_t pos,
+ uint * off);
+
+int befs_fblock2brun(struct super_block *sb, befs_data_stream * data,
+ befs_blocknr_t fblock, befs_block_run * run);
+
+size_t befs_read_lsymlink(struct super_block *sb, befs_data_stream * data,
+ void *buff, befs_off_t len);
+
+befs_blocknr_t befs_count_blocks(struct super_block *sb, befs_data_stream * ds);
+
+extern const befs_inode_addr BAD_IADDR;
+