Subject: Re: The demise of DEV_BSIZE
To: Bill Studenmund <wrstuden@nas.nasa.gov>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: tech-kern
Date: 10/12/1999 11:01:25
On Tue, 12 Oct 1999 09:43:55 -0700 (PDT) 
 Bill Studenmund <wrstuden@nas.nasa.gov> wrote:

 > ? What call graph are you looking at?
 > 
 > Using ffs as an example,
 > 
 > ufs_lookup(), when it resolves the name into an inode # (it's not in the
 > cache), calls VFS_VGET(), which mapps to ffs_vget(). ffs_vget() does a
 > number of things, and then calls ufs_vinit. ufs_vinit() calls
 > checkalias().
 > 
 > I see no call to an open routine in that path. ??

In order for a vnode to exist *at all*, it must have been opened at some
point.

        -- Jason R. Thorpe <thorpej@nas.nasa.gov>