On Tue, Jun 04, 2013 at 02:53:51PM -0500, Eric Sandeen wrote: > > Here's an image which demonstrates this, current e2fsck does not detect > the error. Thanks. For future reference, here's how you can use debugfs to generate a much smaller image which demonstrates the problem, suitable for use in a regression test. - Ted #!/bin/sh dd if=/dev/zero of=image bs=1k count=256 mke2fs -Ft ext4 image debugfs -w image << EOF write /dev/null testfile extent_open testfile insert_node 0 15 100 insert_node --after 15 15 115 insert_node --after 30 15 130 insert_node --after 45 15 145 split down split root down next replace_node 15 30 200 extent_close set_inode_field testfile i_size 61400 set_inode_field testfile i_blocks 154 setb 100 15 setb 130 30 setb 200 30 set_bg 0 free_blocks_count 156 set_bg 0 bg_checksum calc set_super_value free_blocks_count 156 EOF -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
