On Wed, Nov 16, 2011 at 10:33:19AM -0600, Eric Sandeen wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 11/16/11 3:54 AM, Richard W.M. Jones wrote: > > > > Hi, > > > > We do some automated testing of the kernel and ext2/3/4 filesystems, > > and noticed that the block count returned by statvfs(2) for plain > > *ext2* filesystems has changed with the latest 3.2.0rc1 kernel. > > > > This is probably just because of more accurate block accounting, but I > > just wanted to check that it isn't a bug. > > > > This posting contains the numbers and a reproducer: > > > > https://www.redhat.com/archives/libguestfs/2011-November/msg00051.html > > > > Rich. > > > > Note that it is a plain *ext2* filesystem run through the *ext4* driver, > in Fedora, Correct! We're using CONFIG_EXT4_USE_FOR_EXT23=y. > and it was tracked down to commit f975d6bcc7a698a10cc755115e27d3612dcfe322 > ext4: teach ext4_statfs() to deal with clusters if bigalloc is enabled > according to the above post... Well, that's what I thought looked likely. However I didn't bisect this, so it could be another commit to blame ... Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-df lists disk usage of guests without needing to install any software inside the virtual machine. Supports Linux and Windows. http://et.redhat.com/~rjones/virt-df/ -- 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