blob: 0c5167e43180c9a0f41b24f39a35b0a4e5de1246 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#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;
__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)
#define CEPH_IOC_SYNCIO _IO(CEPH_IOCTL_MAGIC, 5)
#endif
|
