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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@linux-foundation.org: coding-style fixes]
Signed-off-by: Ken Helias <kenhelias@firemail.de>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>	[intel driver bits]
Cc: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ken Helias 2014-08-06 16:09:16 -07:00 committed by Linus Torvalds
parent bc18dd335a
commit 1d023284c3
15 changed files with 21 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/RCU/whatisRCU.txt
View File

@ -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

2
drivers/gpu/drm/drm_hashtab.c
View File

@ -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);
}

2
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
View File

@ -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);

2
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
View File

@ -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);

4
drivers/staging/lustre/lustre/libcfs/hash.c
View File

@ -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;

2
fs/namespace.c
View File

@ -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));

2
fs/notify/inode_mark.c
View File

@ -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);

2
fs/notify/vfsmount_mark.c
View File

@ -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);

4
include/linux/list.h
View File

@ -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;

8
include/linux/rculist.h
View File

@ -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;

2
net/batman-adv/fragmentation.c
View File

@ -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;

2
net/bridge/br_multicast.c
View File

@ -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);
}

2
net/ipv4/fib_trie.c
View File

@ -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);
}

2
net/ipv6/addrlabel.c
View File

@ -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:

4
net/xfrm/xfrm_policy.c
View File

@ -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);