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authorJavier Cardona <javier@cozybit.com>2011-08-30 00:23:05 +0400
committerJohn W. Linville <linville@tuxdriver.com>2011-09-13 23:42:32 +0400
commitf5e50cd0757cc97cd1caded0d3f07ff09b5319e4 (patch)
tree6a223d09ae0a6122d7d6cd99da63d3251a8eabf1 /net/mac80211/mesh.h
parentece1a2e7e86078c8379937b546e32cb7f25fcb6c (diff)
downloadlinux-f5e50cd0757cc97cd1caded0d3f07ff09b5319e4.tar.xz
mac80211: Improve mpath state locking
No need to take the mpath state lock when an mpath is removed. Also, no need checking the lock when reading mpath flags. Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/mesh.h')
-rw-r--r--net/mac80211/mesh.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 57a2ad021bee..7118e8e8855c 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -80,7 +80,9 @@ enum mesh_deferred_task_flags {
* retry
* @discovery_retries: number of discovery retries
* @flags: mesh path flags, as specified on &enum mesh_path_flags
- * @state_lock: mesh path state lock
+ * @state_lock: mesh path state lock used to protect changes to the
+ * mpath itself. No need to take this lock when adding or removing
+ * an mpath to a hash bucket on a path table.
* @is_gate: the destination station of this path is a mesh gate
*
*