[parted-devel] parted reporting old file system names

[Phillip Susi]

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On 12/15/2012 05:10 PM, Mike Fleetwood wrote:
> If I understand correctly Linux returns stale data from the buffer
> cache when reading from /dev/sda after that data has been updated
> via /dev/sda12 with different contents.  (In my case wiping,
> zeroing and creating a different file system in the partition).
> And that using ioctl(fd, BLKFLSBUF) on /dev/sda prevents this.

That was my thinking as well, and util-linux's fdisk seems to think so
too, but Hans de Goede skipped this on 2.6 kernels in commit 2a6936fa.
 Hans, you wrote that you spoke with some kernel folks that said this
was not an issue any more in 2.6 kernels.  Could you shed some more
light on this because it appears that it still is?


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