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[IPV4] fib_trie: rescan if key is lost during dump

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Normally during a dump the key of the last dumped entry is used for
continuation, but since lock is dropped it might be lost. In that case
fallback to the old counter based N^2 behaviour.  This means the dump
will end up skipping some routes which matches what FIB_HASH does.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-01-31 16:45:47 -08:00 • committed by David S. Miller
parent 9fe7c712fc
commit 71d67e666e
2 changed files with 33 additions and 18 deletions
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include/linux/netlink.h
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@ -219,7 +219,7 @@ struct netlink_callback
int (*dump)(struct sk_buff * skb, struct netlink_callback *cb);
int (*done)(struct netlink_callback *cb);
int family;
long args[5];
long args[6];
};
struct netlink_notify