Re: new VFS method sync_page and stacking

[Alexander Viro]

On Mon, 1 May 2000, Roman V. Shaposhnick wrote:

>     2. at the same time can work with stackable or derived ( in C++
>        terminology ) host objects like file->dentry->inode->phis.

These are _not_ derived in C++ sense. Sorry.

> > Inode data pages are per-inode, not per-dentry or per-file-struct.
> 
>   Frankly, inode data pages are file pages, because it is userspace files we
> care of. Nothing more, nothing less. 

        You've missed the point here. We cache the data on the client
side. _All_ openers share that cache. IOW, we have a chance that data
submitted by one of them will be sent with credentials of another. Nothing
to do here.