[PATCH] switch all filesystems over to d_obtain_alias

Switch all users of d_alloc_anon to d_obtain_alias.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 8 insertions, 15 deletions

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 54b1f0e1ef58..2e99f34b4435 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -596,12 +596,8 @@ static struct dentry *fuse_get_dentry(struct super_block *sb,
         if (inode->i_generation != handle->generation)
                 goto out_iput;
 
-        entry = d_alloc_anon(inode);
-        err = -ENOMEM;
-        if (!entry)
-                goto out_iput;
-
-        if (get_node_id(inode) != FUSE_ROOT_ID) {
+        entry = d_obtain_alias(inode);
+        if (!IS_ERR(entry) && get_node_id(inode) != FUSE_ROOT_ID) {
                 entry->d_op = &fuse_dentry_operations;
                 fuse_invalidate_entry_cache(entry);
         }
@@ -696,17 +692,14 @@ static struct dentry *fuse_get_parent(struct dentry *child)
         name.name = "..";
         err = fuse_lookup_name(child_inode->i_sb, get_node_id(child_inode),
                                &name, &outarg, &inode);
-        if (err && err != -ENOENT)
+        if (err) {
+                if (err == -ENOENT)
+                        return ERR_PTR(-ESTALE);
                 return ERR_PTR(err);
-        if (err || !inode)
-                return ERR_PTR(-ESTALE);
-
-        parent = d_alloc_anon(inode);
-        if (!parent) {
-                iput(inode);
-                return ERR_PTR(-ENOMEM);
         }
-        if (get_node_id(inode) != FUSE_ROOT_ID) {
+
+        parent = d_obtain_alias(inode);
+        if (!IS_ERR(parent) && get_node_id(inode) != FUSE_ROOT_ID) {
                 parent->d_op = &fuse_dentry_operations;
                 fuse_invalidate_entry_cache(parent);
         }