On 03/21/2013 11:20 AM, Gregory Farnum wrote:
> This looks good on its face but I haven't had the chance to dig
> through the recovery queue stuff yet (it's on my list following some
> issues with recovery speed). How'd you run across this? If it's being
> added to the recovery queue multiple times I want to make sure we
> don't have some other machinery trying to dequeue it multiple times,
> or a single waiter which needs to be a list or something.
> -Greg
Two clients that were writing the same file crashed successively.
Thanks,
Yan, Zheng
>
> On Sun, Mar 17, 2013 at 7:51 AM, Yan, Zheng <zheng.z.yan@xxxxxxxxx> wrote:
>> From: "Yan, Zheng" <zheng.z.yan@xxxxxxxxx>
>>
>> Signed-off-by: Yan, Zheng <zheng.z.yan@xxxxxxxxx>
>> ---
>> src/mds/MDCache.cc | 6 ++++--
>> 1 file changed, 4 insertions(+), 2 deletions(-)
>>
>> diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
>> index 973a4d0..e9a79cd 100644
>> --- a/src/mds/MDCache.cc
>> +++ b/src/mds/MDCache.cc
>> @@ -5502,8 +5502,10 @@ void MDCache::_queue_file_recover(CInode *in)
>> dout(15) << "_queue_file_recover " << *in << dendl;
>> assert(in->is_auth());
>> in->state_clear(CInode::STATE_NEEDSRECOVER);
>> - in->state_set(CInode::STATE_RECOVERING);
>> - in->auth_pin(this);
>> + if (!in->state_test(CInode::STATE_RECOVERING)) {
>> + in->state_set(CInode::STATE_RECOVERING);
>> + in->auth_pin(this);
>> + }
>> file_recover_queue.insert(in);
>> }
>>
>> --
>> 1.7.11.7
>>
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