Re: Bug: Large writes can fail on ext4 if the write buffer is not empty

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On 4/19/12 9:38 AM, Jouko Orava wrote:
>> FWIW, we tried fairly hard to get the limit lifted in the vfs, to no avail.
> 
> I understand. The downsides from the limit are very small, after all.
> 
> Has anyone tested the older stable kernel releases?
> When was the VFS limit added, or is it something RHEL kernels patch out?

No, RHEL kernels have the same limits.

>> Agreed, I think Dave was a little to quick on the draw on his reply.
> 
> It is easy to miss, the EFAULT on the syscall that follows is so obvious.
> 
> I've filed a terse report to the Red Hat Bugzilla:
> 	https://bugzilla.redhat.com/show_bug.cgi?id=814296

Whoops, I just filed one as well.  I'll dup yours to mine since I've already
started the process there.

Thanks,
-Eric

> Let me know if you wish me to expand on that report.
> 
> Best regards,
>     Jouko Orava

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