[linux-next] LinuxNextTracking branch, master, updated. next-20140808

batman at open-mesh.org batman at open-mesh.org
Sat Aug 9 00:18:30 CEST 2014


The following commit has been merged in the master branch:
commit 1d023284c31a4e40a94d5bbcb7dbb7a35ee0bcbc
Author: Ken Helias <kenhelias at firemail.de>
Date:   Wed Aug 6 16:09:16 2014 -0700

    list: fix order of arguments for hlist_add_after(_rcu)
    
    All other add functions for lists have the new item as first argument
    and the position where it is added as second argument.  This was changed
    for no good reason in this function and makes using it unnecessary
    confusing.
    
    The name was changed to hlist_add_behind() to cause unconverted code to
    generate a compile error instead of using the wrong parameter order.
    
    [akpm at linux-foundation.org: coding-style fixes]
    Signed-off-by: Ken Helias <kenhelias at firemail.de>
    Cc: "Paul E. McKenney" <paulmck at linux.vnet.ibm.com>
    Acked-by: Jeff Kirsher <jeffrey.t.kirsher at intel.com>	[intel driver bits]
    Cc: Hugh Dickins <hughd at google.com>
    Cc: Christoph Hellwig <hch at infradead.org>
    Signed-off-by: Andrew Morton <akpm at linux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds at linux-foundation.org>

diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index 49b8551..e48c57f 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -818,7 +818,7 @@ RCU pointer/list update:
 	list_add_tail_rcu
 	list_del_rcu
 	list_replace_rcu
-	hlist_add_after_rcu
+	hlist_add_behind_rcu
 	hlist_add_before_rcu
 	hlist_add_head_rcu
 	hlist_del_rcu
diff --git a/drivers/gpu/drm/drm_hashtab.c b/drivers/gpu/drm/drm_hashtab.c
index 7e4bae7..c3b80fd 100644
--- a/drivers/gpu/drm/drm_hashtab.c
+++ b/drivers/gpu/drm/drm_hashtab.c
@@ -125,7 +125,7 @@ int drm_ht_insert_item(struct drm_open_hash *ht, struct drm_hash_item *item)
 		parent = &entry->head;
 	}
 	if (parent) {
-		hlist_add_after_rcu(parent, &item->head);
+		hlist_add_behind_rcu(&item->head, parent);
 	} else {
 		hlist_add_head_rcu(&item->head, h_list);
 	}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 681a9e8..e8ba747 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1948,7 +1948,7 @@ static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
 
 	/* add filter to the list */
 	if (parent)
-		hlist_add_after(&parent->fdir_node, &input->fdir_node);
+		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
 	else
 		hlist_add_head(&input->fdir_node,
 			       &pf->fdir_filter_list);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 94a1c07..e4100b5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -2517,7 +2517,7 @@ static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
 
 	/* add filter to the list */
 	if (parent)
-		hlist_add_after(&parent->fdir_node, &input->fdir_node);
+		hlist_add_behind(&input->fdir_node, &parent->fdir_node);
 	else
 		hlist_add_head(&input->fdir_node,
 			       &adapter->fdir_filter_list);
diff --git a/drivers/staging/lustre/lustre/libcfs/hash.c b/drivers/staging/lustre/lustre/libcfs/hash.c
index 5dde794..8ef1deb 100644
--- a/drivers/staging/lustre/lustre/libcfs/hash.c
+++ b/drivers/staging/lustre/lustre/libcfs/hash.c
@@ -351,7 +351,7 @@ cfs_hash_dh_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
 					    cfs_hash_dhead_t, dh_head);
 
 	if (dh->dh_tail != NULL) /* not empty */
-		hlist_add_after(dh->dh_tail, hnode);
+		hlist_add_behind(hnode, dh->dh_tail);
 	else /* empty list */
 		hlist_add_head(hnode, &dh->dh_head);
 	dh->dh_tail = hnode;
@@ -406,7 +406,7 @@ cfs_hash_dd_hnode_add(struct cfs_hash *hs, struct cfs_hash_bd *bd,
 						cfs_hash_dhead_dep_t, dd_head);
 
 	if (dh->dd_tail != NULL) /* not empty */
-		hlist_add_after(dh->dd_tail, hnode);
+		hlist_add_behind(hnode, dh->dd_tail);
 	else /* empty list */
 		hlist_add_head(hnode, &dh->dd_head);
 	dh->dd_tail = hnode;
diff --git a/fs/namespace.c b/fs/namespace.c
index 182bc41..2a1447c 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -798,7 +798,7 @@ static void commit_tree(struct mount *mnt, struct mount *shadows)
 	list_splice(&head, n->list.prev);
 
 	if (shadows)
-		hlist_add_after_rcu(&shadows->mnt_hash, &mnt->mnt_hash);
+		hlist_add_behind_rcu(&mnt->mnt_hash, &shadows->mnt_hash);
 	else
 		hlist_add_head_rcu(&mnt->mnt_hash,
 				m_hash(&parent->mnt, mnt->mnt_mountpoint));
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c
index 74825be..9ce0622 100644
--- a/fs/notify/inode_mark.c
+++ b/fs/notify/inode_mark.c
@@ -232,7 +232,7 @@ int fsnotify_add_inode_mark(struct fsnotify_mark *mark,
 
 	BUG_ON(last == NULL);
 	/* mark should be the last entry.  last is the current last entry */
-	hlist_add_after_rcu(&last->i.i_list, &mark->i.i_list);
+	hlist_add_behind_rcu(&mark->i.i_list, &last->i.i_list);
 out:
 	fsnotify_recalc_inode_mask_locked(inode);
 	spin_unlock(&inode->i_lock);
diff --git a/fs/notify/vfsmount_mark.c b/fs/notify/vfsmount_mark.c
index 68ca5a8..ac851e8 100644
--- a/fs/notify/vfsmount_mark.c
+++ b/fs/notify/vfsmount_mark.c
@@ -191,7 +191,7 @@ int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark,
 
 	BUG_ON(last == NULL);
 	/* mark should be the last entry.  last is the current last entry */
-	hlist_add_after_rcu(&last->m.m_list, &mark->m.m_list);
+	hlist_add_behind_rcu(&mark->m.m_list, &last->m.m_list);
 out:
 	fsnotify_recalc_vfsmount_mask_locked(mnt);
 	spin_unlock(&mnt->mnt_root->d_lock);
diff --git a/include/linux/list.h b/include/linux/list.h
index 624ec7f..cbbb96f 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -654,8 +654,8 @@ static inline void hlist_add_before(struct hlist_node *n,
 	*(n->pprev) = n;
 }
 
-static inline void hlist_add_after(struct hlist_node *prev,
-				   struct hlist_node *n)
+static inline void hlist_add_behind(struct hlist_node *n,
+				    struct hlist_node *prev)
 {
 	n->next = prev->next;
 	prev->next = n;
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 8183b46..372ad5e 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -432,9 +432,9 @@ static inline void hlist_add_before_rcu(struct hlist_node *n,
 }
 
 /**
- * hlist_add_after_rcu
- * @prev: the existing element to add the new element after.
+ * hlist_add_behind_rcu
  * @n: the new element to add to the hash list.
+ * @prev: the existing element to add the new element after.
  *
  * Description:
  * Adds the specified element to the specified hlist
@@ -449,8 +449,8 @@ static inline void hlist_add_before_rcu(struct hlist_node *n,
  * hlist_for_each_entry_rcu(), used to prevent memory-consistency
  * problems on Alpha CPUs.
  */
-static inline void hlist_add_after_rcu(struct hlist_node *prev,
-				       struct hlist_node *n)
+static inline void hlist_add_behind_rcu(struct hlist_node *n,
+					struct hlist_node *prev)
 {
 	n->next = prev->next;
 	n->pprev = &prev->next;
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 022d18a..52c43f9 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -188,7 +188,7 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 
 	/* Reached the end of the list, so insert after 'frag_entry_last'. */
 	if (likely(frag_entry_last)) {
-		hlist_add_after(&frag_entry_last->list, &frag_entry_new->list);
+		hlist_add_behind(&frag_entry_last->list, &frag_entry_new->list);
 		chain->size += skb->len - hdr_size;
 		chain->timestamp = jiffies;
 		ret = true;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index b4845f4..7751c92 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1174,7 +1174,7 @@ static void br_multicast_add_router(struct net_bridge *br,
 	}
 
 	if (slot)
-		hlist_add_after_rcu(slot, &port->rlist);
+		hlist_add_behind_rcu(&port->rlist, slot);
 	else
 		hlist_add_head_rcu(&port->rlist, &br->router_list);
 }
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 5afeb5a..e9cb258 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -940,7 +940,7 @@ static void insert_leaf_info(struct hlist_head *head, struct leaf_info *new)
 			last = li;
 		}
 		if (last)
-			hlist_add_after_rcu(&last->hlist, &new->hlist);
+			hlist_add_behind_rcu(&new->hlist, &last->hlist);
 		else
 			hlist_add_before_rcu(&new->hlist, &li->hlist);
 	}
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 731e1e1..fd0dc47 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -277,7 +277,7 @@ static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
 		last = p;
 	}
 	if (last)
-		hlist_add_after_rcu(&last->list, &newp->list);
+		hlist_add_behind_rcu(&newp->list, &last->list);
 	else
 		hlist_add_head_rcu(&newp->list, &ip6addrlbl_table.head);
 out:
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 0525d78..beeed60 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -389,7 +389,7 @@ redo:
 			if (h != h0)
 				continue;
 			hlist_del(&pol->bydst);
-			hlist_add_after(entry0, &pol->bydst);
+			hlist_add_behind(&pol->bydst, entry0);
 		}
 		entry0 = &pol->bydst;
 	}
@@ -654,7 +654,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
 			break;
 	}
 	if (newpos)
-		hlist_add_after(newpos, &policy->bydst);
+		hlist_add_behind(&policy->bydst, newpos);
 	else
 		hlist_add_head(&policy->bydst, chain);
 	xfrm_pol_hold(policy);

-- 
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