On Tue, Sep 08, 2020 at 01:06:56PM +0000, Hao Lee wrote: > ping > > On Wed, Jul 29, 2020 at 03:21:28PM +0000, Hao Lee wrote: > > The dentry local variable is introduced in 'commit 84d17192d2afd ("get > > rid of full-hash scan on detaching vfsmounts")' to reduce the length of > > some long statements for example > > mutex_lock(&path->dentry->d_inode->i_mutex). We have already used > > inode_lock(dentry->d_inode) to do the same thing now, and its length is > > acceptable. Furthermore, it seems not concise that assign path->dentry > > to local variable dentry in the statement before goto. So, this function > > would be more clear if we eliminate the local variable dentry. How does it make the function more clear? More specifically, what analysis of behaviour is simplified by that?