James Pearson wrote:
> We've come across a problem with 6.4 kernels that we didn't have with
> 6.2 kernels - which involves writing to a symlink that is on a read-only
> file system - but the symlink lands on a read-write file system
>
> The following shows the issue:
>
> mkdir -p /mnt/tmp
> mount -t tmpfs -o size=1% none /mnt/tmp
> rm -f /tmp/file
> ln -s /tmp/file /mnt/tmp/file
> mount -o remount,ro /mnt/tmp
> echo "some text" > /mnt/tmp/file
>
> On a machine with a 6.2 kernel, the above works fine - the target of the
> symlink (/tmp/file) is created etc. with no error
>
> But on a machine with a 6.4 kernel, the above fails with:
>
> /mnt/tmp/file: Read-only file system.
Looks like this is known bug with 6.4 - and hopefully should be fixed in
some later 'zstream' release
James Pearson
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