gpfs vfs incorrectly returning offline status 'at random' in 3.6 and up

[simo]

On Fri, 2012-10-05 at 15:22 +0200, Christian Ambach wrote:
> On 09/28/2012 05:52 PM, Barry Evans wrote:
> 
> > Anything look interesting?
> 
> I think the lack of some config parameters is the interesting piece.
> gpfs:winattr defaults to false, so I guess the is_offline function 
> operates on un-initialized memory.
> 
> The code in master/4.0 has a guard in vfs_gpfs_is_offline() that skips 
> the checks if gpfs:winattr is disabled.
> 
> if (!config->winattr) {
> 	return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
> }
> 
> That guard is not present in 3.6.
> 
> However, give it a try enabling it with
> 	gpfs:winattr = yes
> 
> and the following additional parameters, to make Samba store Windows 
> attributes in the native GPFS attributes:
> 
>       store dos attributes=yes
>       map readonly = yes
>       map archive = yes
>       map system = yes
>       map hidden = yes
>       ea support=yes

IIRC when you enable store dos attributes you should actually disable
mapping dos bits.
Am i mis-remembering or did something change?
Simo.

-- 
Simo Sorce
Samba Team GPL Compliance Officer <simo at samba.org>
Principal Software Engineer at Red Hat, Inc. <simo at redhat.com>