linux-kernel - Re: [PATCH 18/20] ceph: ioctls

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Date:	Tue, 8 Sep 2009 16:45:55 -0700 (PDT)
From:	Sage Weil <sage@...dream.net>
To:	Randy Dunlap <randy.dunlap@...cle.com>
cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 18/20] ceph: ioctls

On Tue, 8 Sep 2009, Randy Dunlap wrote:

> On Tue,  8 Sep 2009 15:56:39 -0700 Sage Weil wrote:
> 
> > A few Ceph ioctls for getting and setting file layout (striping)
> > parameters.
> > 
> > Signed-off-by: Sage Weil <sage@...dream.net>
> > ---
> >  fs/ceph/ioctl.c |   98 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  fs/ceph/ioctl.h |   20 +++++++++++
> >  2 files changed, 118 insertions(+), 0 deletions(-)
> >  create mode 100644 fs/ceph/ioctl.c
> >  create mode 100644 fs/ceph/ioctl.h
> 
> 
> > diff --git a/fs/ceph/ioctl.h b/fs/ceph/ioctl.h
> > new file mode 100644
> > index 0000000..56f5e2c
> > --- /dev/null
> > +++ b/fs/ceph/ioctl.h
> > @@ -0,0 +1,20 @@
> > +#ifndef FS_CEPH_IOCTL_H
> > +#define FS_CEPH_IOCTL_H
> > +
> > +#include <linux/ioctl.h>
> > +#include <linux/types.h>
> > +
> > +#define CEPH_IOCTL_MAGIC 0x97
> > +
> > +/* just use u64 to align sanely on all archs */
> > +struct ceph_ioctl_layout {
> > +	__u64 stripe_unit, stripe_count, object_size;
> > +	__u64 data_pool;
> > +};
> > +
> > +#define CEPH_IOC_GET_LAYOUT _IOR(CEPH_IOCTL_MAGIC, 1,		\
> > +				   struct ceph_ioctl_layout)
> > +#define CEPH_IOC_SET_LAYOUT _IOW(CEPH_IOCTL_MAGIC, 2,		\
> > +				   struct ceph_ioctl_layout)
> > +
> > +#endif
> > -- 
> 
> Please also update Documentation/ioctl/ioctl-number.txt

Thanks, I was wondering where that was tracked.

sage
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