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authorEric Dumazet <eric.dumazet@gmail.com>2009-08-16 09:36:49 +0000
committerDavid S. Miller <davem@davemloft.net>2009-08-17 21:33:49 -0700
commitc1a8f1f1c8e01eab5862c8db39b49ace814e6c66 (patch)
tree0679f709f70d9a91850888636a28adb79940c402 /include/net/act_api.h
parentc6ba973b8fa97422aab4204f7d79f1d413cde925 (diff)
downloadlinux-c1a8f1f1c8e01eab5862c8db39b49ace814e6c66.tar.bz2
net: restore gnet_stats_basic to previous definition
In 5e140dfc1fe87eae27846f193086724806b33c7d "net: reorder struct Qdisc for better SMP performance" the definition of struct gnet_stats_basic changed incompatibly, as copies of this struct are shipped to userland via netlink. Restoring old behavior is not welcome, for performance reason. Fix is to use a private structure for kernel, and teach gnet_stats_copy_basic() to convert from kernel to user land, using legacy structure (struct gnet_stats_basic) Based on a report and initial patch from Michael Spang. Reported-by: Michael Spang <mspang@csclub.uwaterloo.ca> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/act_api.h')
-rw-r--r--include/net/act_api.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 565eed8fe496..c05fd717c588 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -16,7 +16,7 @@ struct tcf_common {
u32 tcfc_capab;
int tcfc_action;
struct tcf_t tcfc_tm;
- struct gnet_stats_basic tcfc_bstats;
+ struct gnet_stats_basic_packed tcfc_bstats;
struct gnet_stats_queue tcfc_qstats;
struct gnet_stats_rate_est tcfc_rate_est;
spinlock_t tcfc_lock;