[OE-core] wic creates ext4 images that read really slow in u-boot
ross.burton at intel.com
Thu Feb 21 10:43:47 UTC 2019
On Thu, 21 Feb 2019 at 10:17, Mike Looijmans <mike.looijmans at topic.nl> wrote:
> That'd be best. One would expect that creating a filesystem "offline" would
> yield something optimal in terms of the way files are allocated, since
> everything about all files is already known when it's written.
But because we don't run image generation as root in a loopback mount,
we're limited to how clever e2fsprogs's debugfs is, *not* the kernel
Just a few weeks ago I fixed a bug in debugfs where it was only
writing the first 2^31 bits of a file...
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