[Fedora] Re: Alternatives to du

[Les Mikesell]

Alan Cox wrote:
>> the write to create a new name becomes problematic, but doesn't du just 
>> do a linear walk anyway?  I don't see why making the tree deeper and 
> 
> There isn't a complete tie between that linear walk and the open - which
> must then do a lookup of sorts. The kernel does try and cache namespaces
> that are looked up/walked in the dcache.
> 
> It's simply not a real world case in any kind of normal use.

Backuppc is a very real world use case.  It is so handy everyone should 
be running it: http://backuppc.sourceforge.net/ It works pretty well as 
long as you don't try to traverse the whole directory tree or copy the 
archive with a file-oriented mechanism.

-- 
   Les Mikesell
    lesmikesell at gmail.com