On Sun, Jul 21, 2013 at 03:47:04PM -0700, H. Peter Anvin wrote: > On 07/09/2013 06:45 AM, Michael wrote: > > No problem, it sounds like it would be a very tricky bit of code to > > write. Shuffling metadata blocks is not an easy feat. > > > > Is there any way to tell if I'm using 64 bit? Ubuntu defaults to > > setting ext4 to default, but I don't know if it did when I first > > created this FS. > > > > If it is 64 bit, the resize2fs utility should be able to handle this > > one kernels >3.7, correct? > > > > Is there a way to force this at mkfs time? I.e. "I know I may want to > expand this filesystem beyond the 16 TB point?" Hi Peter, You could use 'mkfs.ext4 -O 64bit' to force enable 64bit support. In addition, we will enable this feature by default. Lukas has a patch to fix it. Here is the link [1]. 1. http://patchwork.ozlabs.org/patch/253234/ Regards, - Zheng -- 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
