linux-ext4 - Re: [PATCH 1/5] Add additional owner identifier

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Date:	Tue, 03 Jul 2012 22:42:34 +0400
From:	Dmitry Monakhov <dmonakhov@...nvz.org>
To:	Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 1/5] Add additional owner identifier

On Fri, 22 Jun 2012 02:03:53 +0200, Jan Kara <jack@...e.cz> wrote:
> On Thu 21-06-12 13:08:49, Dmitry Monakhov wrote:
> > This patch add project inode identifier. Project ID may be used as
> > auxiliary owner specifier in addition to standard uid/gid.
Hi,
First of all please excuse me for a very very late replay.
Where were some very urgent work to do, Please excuse me one more time.
>   I would just join patches 1 and 2. One without the other looks a bit
> dumb... Otherwise I'm OK with the changes. I can take these two patches
> through my tree when filesystem maintainers agree they want this feature and
> are going to merge corresponding fs patches...
Ok, seem reasonable will redo.
>   
> 
> 								Honza
> 
> > Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
> > ---
> >  fs/Kconfig            |    7 +++++++
> >  include/linux/fs.h    |    1 +
> >  include/linux/xattr.h |    3 +++
> >  3 files changed, 11 insertions(+), 0 deletions(-)
> > 
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index c8554b5..1932458 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -60,6 +60,13 @@ config FILE_LOCKING
> >  	  This option enables standard file locking support, required
> >            for filesystems like NFS and for the flock() system
> >            call. Disabling this option saves about 11k.
> > +config PROJECT_ID
> > +	bool "Enable project inode identifier"
> > +	default y
> > +	help
> > +	  This option enables project inode identifier. Project ID
> > +	  may be used as auxiliary owner specifier in addition to
> > +	  standard uid/gid.
> >  
> >  source "fs/notify/Kconfig"
> >  
> > diff --git a/include/linux/fs.h b/include/linux/fs.h
> > index b0a6d44..6779fc2 100644
> > --- a/include/linux/fs.h
> > +++ b/include/linux/fs.h
> > @@ -1739,6 +1739,7 @@ struct super_operations {
> >  	int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
> >  	int (*nr_cached_objects)(struct super_block *);
> >  	void (*free_cached_objects)(struct super_block *, int);
> > +	u32 (*get_prjid)(const struct inode *inode);
> >  };
> >  
> >  /*
> > diff --git a/include/linux/xattr.h b/include/linux/xattr.h
> > index e5d1220..f8a83c3 100644
> > --- a/include/linux/xattr.h
> > +++ b/include/linux/xattr.h
> > @@ -61,6 +61,9 @@
> >  
> >  #include <linux/types.h>
> >  
> > +#define XATTR_PRJID "system.project_id"
> > +#define XATTR_PRJID_LEN (sizeof (XATTR_PRJID))
> > +
> >  struct inode;
> >  struct dentry;
> >  
> > -- 
> > 1.7.1
> > 
> > --
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> -- 
> Jan Kara <jack@...e.cz>
> SUSE Labs, CR
> --
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