1 files changed, 20 insertions, 0 deletions
diff --git a/misc/e2freefrag.h b/misc/e2freefrag.h
new file mode 100644
index 0000000..80d1eef
--- /dev/null
+++ b/misc/e2freefrag.h
@@ -0,0 +1,20 @@
+#include <sys/types.h>
+
+#define DEFAULT_CHUNKSIZE (1024*1024)
+
+#define MAX_HIST	32
+struct free_chunk_histogram {
+	unsigned long fc_chunks[MAX_HIST];
+	unsigned long fc_blocks[MAX_HIST];
+};
+
+struct chunk_info {
+	unsigned long chunkbytes;	/* chunk size in bytes */
+	int chunkbits;			/* chunk size in bits */
+	unsigned long free_chunks;	/* total free chunks of given size */
+	unsigned long real_free_chunks; /* free chunks of any size */
+	int blocksize_bits;		/* fs blocksize in bits */
+	int blks_in_chunk;		/* number of blocks in a chunk */
+	unsigned long min, max, avg;	/* chunk size stats */
+	struct free_chunk_histogram histogram; /* histogram of all chunk sizes*/
+};