v9fs_fid_find_inode
ret = v9fs_fid_find_inode(dentry->d_inode, false, uid, any);
struct p9_fid *v9fs_fid_find_inode(struct inode *inode, bool want_writeable,
fid = v9fs_fid_find_inode(rreq->inode, writing, INVALID_UID, true);
fid = v9fs_fid_find_inode(wreq->inode, true, INVALID_UID, true);