提交 740da42e 编写于 作者: A Al Viro

__d_materialise_unique() is too generic

Its first argument is always non-root, while the second one is
always root.
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 54c807e7
......@@ -2394,7 +2394,7 @@ static struct dentry *__d_unalias(struct inode *inode,
*/
static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
{
struct dentry *dparent, *aparent;
struct dentry *dparent;
dentry_lock_for_move(anon, dentry);
......@@ -2402,24 +2402,15 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
write_seqcount_begin(&anon->d_seq);
dparent = dentry->d_parent;
aparent = anon->d_parent;
switch_names(dentry, anon);
swap(dentry->d_name.hash, anon->d_name.hash);
dentry->d_parent = (aparent == anon) ? dentry : aparent;
list_del(&dentry->d_u.d_child);
if (!IS_ROOT(dentry))
list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
else
INIT_LIST_HEAD(&dentry->d_u.d_child);
anon->d_parent = (dparent == dentry) ? anon : dparent;
dentry->d_parent = dentry;
list_del_init(&dentry->d_u.d_child);
anon->d_parent = dparent;
list_del(&anon->d_u.d_child);
if (!IS_ROOT(anon))
list_add(&anon->d_u.d_child, &anon->d_parent->d_subdirs);
else
INIT_LIST_HEAD(&anon->d_u.d_child);
list_add(&anon->d_u.d_child, &dparent->d_subdirs);
write_seqcount_end(&dentry->d_seq);
write_seqcount_end(&anon->d_seq);
......
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