svn commit: r260713 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Steven Hartland]

----- Original Message ----- 
From: "Andriy Gapon" <avg at FreeBSD.org>


> on 07/09/2014 18:56 Slawa Olhovchenkov said the following:
>> On Thu, Jan 16, 2014 at 01:24:10PM +0000, Andriy Gapon wrote:
>> 
>>> Author: avg
>>> Date: Thu Jan 16 13:24:10 2014
>>> New Revision: 260713
>>> URL: http://svnweb.freebsd.org/changeset/base/260713
>>>
>>> Log:
>>>   fix a bug in ZFS mirror code for handling multiple DVAa
>>>   
>>>   The bug was introduced in r256956 "Improve ZFS N-way mirror read
>>>   performance".
>>>   The code in vdev_mirror_dva_select erroneously considers already
>>>   tried DVAs for the next attempt.  Thus, it is possible that a failing DVA
>>>   would be retried forever.
>>>   As a secondary effect, if the attempts fail with checksum error, then
>>>   checksum error reports are accumulated until the original request
>>>   ultimately fails or succeeds.  But because retrying is going on indefinitely
>>>   the cheksum reports accumulation will effectively be a memory leak.
>>>   
>>>   Reviewed by: gibbs
>>>   MFC after: 13 days
>>>   Sponsored by: HybridCluster
>> 
>> No NFC yet
>> 
> 
> Is r256956 MFC-ed yet?

Nope I missed it, have applied for both to be MFC'ed.

    Regards
    Steve