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net: igmp: Don't flush routing cache when force_igmp_version is modified
The procfs knob /proc/sys/net/ipv4/conf/*/force_igmp_version allows the IGMP protocol version to use to be explicitly set. As a side effect this caused the routing cache to be flushed as it was declared as a DEVINET_SYSCTL_FLUSHING_ENTRY. Flushing is unnecessary and this patch makes it so flushing does not occur. Requested by Hannes Frederic Sowa as he was reviewing other patches adding procfs entries. Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: William Manley <william.manley@youview.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Benjamin LaHaise <bcrl@kvack.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -27,9 +27,9 @@ enum
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IPV4_DEVCONF_TAG,
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IPV4_DEVCONF_ARPFILTER,
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IPV4_DEVCONF_MEDIUM_ID,
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IPV4_DEVCONF_FORCE_IGMP_VERSION,
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IPV4_DEVCONF_NOXFRM,
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IPV4_DEVCONF_NOPOLICY,
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IPV4_DEVCONF_FORCE_IGMP_VERSION,
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IPV4_DEVCONF_ARP_ANNOUNCE,
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IPV4_DEVCONF_ARP_IGNORE,
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IPV4_DEVCONF_PROMOTE_SECONDARIES,
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@ -2094,11 +2094,11 @@ static struct devinet_sysctl_table {
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DEVINET_SYSCTL_RW_ENTRY(ARP_ACCEPT, "arp_accept"),
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DEVINET_SYSCTL_RW_ENTRY(ARP_NOTIFY, "arp_notify"),
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DEVINET_SYSCTL_RW_ENTRY(PROXY_ARP_PVLAN, "proxy_arp_pvlan"),
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DEVINET_SYSCTL_RW_ENTRY(FORCE_IGMP_VERSION,
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"force_igmp_version"),
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DEVINET_SYSCTL_FLUSHING_ENTRY(NOXFRM, "disable_xfrm"),
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DEVINET_SYSCTL_FLUSHING_ENTRY(NOPOLICY, "disable_policy"),
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DEVINET_SYSCTL_FLUSHING_ENTRY(FORCE_IGMP_VERSION,
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"force_igmp_version"),
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DEVINET_SYSCTL_FLUSHING_ENTRY(PROMOTE_SECONDARIES,
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"promote_secondaries"),
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DEVINET_SYSCTL_FLUSHING_ENTRY(ROUTE_LOCALNET,
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