[Samba] Mac OS Mavericks über slow

[Ralph Böhme]

On Thu, Sep 04, 2014 at 06:48:33AM -0700, Jeremy Allison wrote:
> On Thu, Sep 04, 2014 at 03:17:13PM +0200, Ralph Böhme wrote:
> > 
> > Is there a way to improve this? You bet there is! ;)
> > 
> > Apple uses a custom smb2 protocol extension in its own server (and
> > client): a smb2 create context "AAPL". If both server and client
> 
> I didn't know about this ! Have Apple documented
> this anywhere ?

Apple opensourced much if not all of the SMB client code:

<http://opensource.apple.com/source/smb/smb-697.92.4/kernel/netsmb/smb_2.h>

> 
> > support this it, the smb2_find reply (amongst other things depending
> > on a set of flags [2]) is modified to contain resource fork size
> > information, which means after step 2 (see above) is completed, the
> > Finder will display the folder content.
> > 
> > I have a working PoC here: [3]. Opening a folder with 1000 files over
> > a slow link with 50 ms latency takes just a few seconds instead of 40
> > seconds with just vfs_streams_xattr or vfs_fruit alone.
> > 
> > This is still incomplete and needs more polishing.
> 
> W00t! Go Ralph !!!!! As soon as you have something
> for master please post.
> 
> I'll review asap. There are a *LOT* of Mac Samba
> users who will be waiting for this.

Will do! :)

Cheerio!
-Ralph

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