For testing extent mapping code, we will need the extent dumping
function. So copy that function over from the resize2fs version of the
code.
Signed-off-by: Jan Kara <jack@xxxxxxxx>
---
lib/ext2fs/extent_map.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/lib/ext2fs/extent_map.c b/lib/ext2fs/extent_map.c
index 702172b24e2b..251212d118cb 100644
--- a/lib/ext2fs/extent_map.c
+++ b/lib/ext2fs/extent_map.c
@@ -231,3 +231,20 @@ errcode_t ext2fs_iterate_extent(ext2_map_extent extent, __u64 *old_loc,
*size = ent->size;
return 0;
}
+
+/*
+ * For debugging only
+ */
+void ext2fs_extent_dump(ext2_map_extent extent, FILE *out)
+{
+ __u64 i;
+ struct ext2_map_extent_entry *ent;
+
+ fputs("# Extent dump:\n", out);
+ fprintf(out, "#\tNum=%llu, Size=%llu, Cursor=%llu, Sorted=%llu\n",
+ extent->num, extent->size, extent->cursor, extent->sorted);
+ for (i=0, ent=extent->list; i < extent->num; i++, ent++) {
+ fprintf(out, "#\t\t %llu -> %llu (%llu)\n", ent->old_loc,
+ ent->new_loc, ent->size);
+ }
+}
--
2.1.4
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