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@xxxxxxxxxxxx>
> ---
> 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
---
~Randy
LPC 2009, Sept. 23-25, Portland, Oregon
http://linuxplumbersconf.org/2009/
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