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

[Andriy Gapon]

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?

-- 
Andriy Gapon