[Unionfs] patch for a 2.6.23-11-unionfs-rt kernel?

[Roman Muñoz]

Paul Hewlett escribió:

> 
> There cannot be a generic patch that will apply to both RT and non-RT
> kernels because there is no way of automatically detecting that access
> to nrpages has changed.

Yes, I understand it

> There is 1 other  place where the unionfs patch had to be modified for
> the RT kernel but this is covered by a suitable #ifdef CONFIG_PREEMPT_RT
> statement.

Exposing my ignorance and lazyness... not sure about where and how to 
put this statement. I'll see it tomorrow.

(rant) No offense intended, but those problems with -rt patch have been 
common at least since unionfs1.4 many months ago, and are became boring. 
What a happy day will be when both these wonderful features get into 
mainline.

> 
> The unionfs patch for 2.6.23-11 has a second reference to nrpages in the
> function purge_inode_data() in dentry.c. Change this line to
> 
> if (mapping_nrpages(&inode->i_data))
> 
> This change has gone away in the unionfs patch for 2.6.23-14

Thank you very much for your answer

Best regards,

Roman