mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-17 01:34:00 +08:00
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#ifndef FS_CEPH_IOCTL_H
|
|
#define FS_CEPH_IOCTL_H
|
|
|
|
#include <linux/ioctl.h>
|
|
#include <linux/types.h>
|
|
|
|
#define CEPH_IOCTL_MAGIC 0x98
|
|
|
|
/* just use u64 to align sanely on all archs */
|
|
struct ceph_ioctl_layout {
|
|
__u64 stripe_unit, stripe_count, object_size;
|
|
__u64 data_pool;
|
|
__s64 preferred_osd;
|
|
};
|
|
|
|
#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)
|
|
#define CEPH_IOC_SET_LAYOUT_POLICY _IOW(CEPH_IOCTL_MAGIC, 5, \
|
|
struct ceph_ioctl_layout)
|
|
|
|
/*
|
|
* Extract identity, address of the OSD and object storing a given
|
|
* file offset.
|
|
*/
|
|
struct ceph_ioctl_dataloc {
|
|
__u64 file_offset; /* in+out: file offset */
|
|
__u64 object_offset; /* out: offset in object */
|
|
__u64 object_no; /* out: object # */
|
|
__u64 object_size; /* out: object size */
|
|
char object_name[64]; /* out: object name */
|
|
__u64 block_offset; /* out: offset in block */
|
|
__u64 block_size; /* out: block length */
|
|
__s64 osd; /* out: osd # */
|
|
struct sockaddr_storage osd_addr; /* out: osd address */
|
|
};
|
|
|
|
#define CEPH_IOC_GET_DATALOC _IOWR(CEPH_IOCTL_MAGIC, 3, \
|
|
struct ceph_ioctl_dataloc)
|
|
|
|
#define CEPH_IOC_LAZYIO _IO(CEPH_IOCTL_MAGIC, 4)
|
|
|
|
#endif
|