From: Charles Manning <cdhmanning@gmail.com>
Date: Thu, 11 Jul 2013 05:40:46 +0000 (+1200)
Subject: Add some yaffs debug functions for inspecting run-time state.
X-Git-Tag: aleph1-release~50
X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=commitdiff_plain;h=6af811eebaf8da9dbb58be70fbb283ecd95f8a32

Add some yaffs debug functions for inspecting run-time state.

Signed-off-by: Charles Manning <cdhmanning@gmail.com>
---

diff --git a/yaffs_guts.c b/yaffs_guts.c
index ed5a005..8507c2d 100644
--- a/yaffs_guts.c
+++ b/yaffs_guts.c
@@ -980,7 +980,7 @@ static int yaffs_find_chunk_in_group(struct yaffs_dev *dev, int the_chunk,
 	return -1;
 }
 
-static int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
+int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
 				    struct yaffs_ext_tags *tags)
 {
 	/*Get the Tnode, then get the level 0 offset chunk offset */
@@ -5072,3 +5072,23 @@ loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh)
 
 	return retval;
 }
+
+
+void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10])
+{
+	int i;
+	struct yaffs_block_info *bi;
+	int s;
+
+	for(i = 0; i < 10; i++)
+		bs[i] = 0;
+
+	for(i = dev->internal_start_block; i <= dev->internal_end_block; i++) {
+		bi = yaffs_get_block_info(dev, i);
+		s = bi->block_state;
+		if(s > YAFFS_BLOCK_STATE_DEAD || s < YAFFS_BLOCK_STATE_UNKNOWN)
+			bs[0]++;
+		else
+			bs[s]++;
+	}
+}
diff --git a/yaffs_guts.h b/yaffs_guts.h
index 2225fb2..9d71c2b 100644
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -989,5 +989,14 @@ void yaffs_oh_size_load(struct yaffs_obj_hdr *oh, loff_t fsize);
 loff_t yaffs_oh_to_size(struct yaffs_obj_hdr *oh);
 loff_t yaffs_max_file_size(struct yaffs_dev *dev);
 
+/*
+ * Debug function to count number of blocks in each state
+ * NB Needs to be called with correct number of integers
+ */
+
+void yaffs_count_blocks_by_state(struct yaffs_dev *dev, int bs[10]);
+
+int yaffs_find_chunk_in_file(struct yaffs_obj *in, int inode_chunk,
+				    struct yaffs_ext_tags *tags);
 
 #endif