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From: Eric Sandeen <sandeen@redhat.com>
To: Jouko Orava <jouko.orava@iki.fi>
Cc: Jouko Orava <jouko.orava@helsinki.fi>,
	linux-ext4@vger.kernel.org, Zheng Liu <gnehzuil.liu@gmail.com>
Subject: Re: Bug: Large writes can fail on ext4 if the write buffer is not empty
Date: Thu, 19 Apr 2012 09:45:05 -0500	[thread overview]
Message-ID: <4F9024F1.3000806@redhat.com> (raw)
In-Reply-To: <alpine.LRH.2.00.1204191731340.17249@ruuvi.it.helsinki.fi>

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


  reply	other threads:[~2012-04-19 14:45 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-12 14:47 Bug: Large writes can fail on ext4 if the write buffer is not empty Jouni Siren
2012-04-12 16:06 ` Zheng Liu
2012-04-12 20:20   ` Jan Kara
2012-04-13  1:22     ` [PATCH RESEND] ext4: change return value from int to ssize_t in ext4_file_write Zheng Liu
2012-05-22 19:44       ` Eric Sandeen
2012-05-28 22:08       ` Ted Ts'o
2012-04-13  0:10 ` Bug: Large writes can fail on ext4 if the write buffer is not empty Dave Chinner
2012-04-19 13:10 ` Jouko Orava
2012-04-19 14:15   ` Eric Sandeen
2012-04-19 14:38     ` Jouko Orava
2012-04-19 14:45       ` Eric Sandeen [this message]
2012-04-19 15:09         ` Jouko Orava
2012-04-19 15:28           ` Zheng Liu
2012-04-20  2:12     ` Dave Chinner
2012-04-19 14:56   ` Zheng Liu

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