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Date:   Wed, 11 Dec 2019 10:52:12 -0700
From:   David Ahern <dsahern@...il.com>
To:     Ido Schimmel <idosch@...sch.org>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, jiri@...lanox.com, roopa@...ulusnetworks.com,
        mlxsw@...lanox.com, Ido Schimmel <idosch@...lanox.com>
Subject: Re: [PATCH net-next 6/9] ipv4: Handle route deletion notification
 during flush

On 12/11/19 10:46 AM, David Ahern wrote:
> On 12/10/19 10:23 AM, Ido Schimmel wrote:
>> From: Ido Schimmel <idosch@...lanox.com>
>>
>> In a similar fashion to previous patch, when a route is deleted as part
>> of table flushing, promote the next route in the list, if exists.
>> Otherwise, simply emit a delete notification.
> 
> I am not following your point on a flush. If all routes are getting
> deleted, why do you need to promote the next one in the list?

never mind. I see. The second notifier gets deleted in patch 9 and the
new notifier is needed to remove the offloaded route.

> 
>>
>> Signed-off-by: Ido Schimmel <idosch@...lanox.com>
>> ---
>>  net/ipv4/fib_trie.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
>> index 2d338469d4f2..60947a44d363 100644
>> --- a/net/ipv4/fib_trie.c
>> +++ b/net/ipv4/fib_trie.c
>> @@ -1995,6 +1995,8 @@ int fib_table_flush(struct net *net, struct fib_table *tb, bool flush_all)
>>  				continue;
>>  			}
>>  
>> +			fib_notify_alias_delete(net, n->key, &n->leaf, fa,
>> +						NULL);
>>  			call_fib_entry_notifiers(net, FIB_EVENT_ENTRY_DEL,
>>  						 n->key,
>>  						 KEYLENGTH - fa->fa_slen, fa,
>>
> 

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