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authorEric Dumazet <eric.dumazet@gmail.com>2009-08-16 05:36:49 -0400
committerDavid S. Miller <davem@davemloft.net>2009-08-18 00:33:49 -0400
commitc1a8f1f1c8e01eab5862c8db39b49ace814e6c66 (patch)
tree0679f709f70d9a91850888636a28adb79940c402 /net/sched/sch_htb.c
parentc6ba973b8fa97422aab4204f7d79f1d413cde925 (diff)
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 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 88cd02626621..ec4d46399d59 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -74,7 +74,7 @@ enum htb_cmode {
74struct htb_class { 74struct htb_class {
75 struct Qdisc_class_common common; 75 struct Qdisc_class_common common;
76 /* general class parameters */ 76 /* general class parameters */
77 struct gnet_stats_basic bstats; 77 struct gnet_stats_basic_packed bstats;
78 struct gnet_stats_queue qstats; 78 struct gnet_stats_queue qstats;
79 struct gnet_stats_rate_est rate_est; 79 struct gnet_stats_rate_est rate_est;
80 struct tc_htb_xstats xstats; /* our special stats */ 80 struct tc_htb_xstats xstats; /* our special stats */