[HEADS UP] posix_fallocate support removed from ZFS, lld affected

[Allan Jude]

On 2017-11-06 12:26, Ian Lepore wrote:
> On Mon, 2017-11-06 at 17:40 +0200, Andriy Gapon wrote:
>> From UPDATING:
>> The naive and non-compliant support of posix_fallocate(2) in ZFS
>> has been removed as of r325320.  The system call now returns EINVAL
>> when used on a ZFS file.  Although the new behavior complies with the
>> standard, some consumers are not prepared to cope with it.
>> One known victim is lld prior to r325420.
>>
> 
> It just popped into my head... does this mean that kernels running
> r325320+ on systems using ZFS will be unable to host build jails for
> earlier versions / branches because lld will fail in the jail?
> 
> I think that will be a big problem for the ports team's package
> building process, and for anyone using poudriere.
> 
> -- Ian
> 
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lld is not the default on amd64 yet. So only people who have set the
src.conf knob, or are building a platform like aarch64 that uses lld by
default, would be impacted.

-- 
Allan Jude