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authorAl Viro <viro@zeniv.linux.org.uk>2013-01-30 10:13:38 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-22 23:31:36 -0500
commit740da42efa24ac00dfb40d2f02d9d7f7a485049b (patch)
treeae71dfa023025a8247c4615439383fbbdbf4720c /fs/dcache.c
parent54c807e71d5ac59dee56c685f2b66e27cd54c475 (diff)
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__d_materialise_unique() is too generic
Its first argument is always non-root, while the second one is always root. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/dcache.c')
-rw-r--r--fs/dcache.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 0e4b5fa6c9f9..ada6123414ae 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2394,7 +2394,7 @@ out_err:
*/
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);