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1cd275f609
The ioctl magic was inadvertently changed in 571dba52.
Signed-off-by: Sage Weil <sage@newdream.net>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#ifndef FS_CEPH_IOCTL_H
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#define FS_CEPH_IOCTL_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#define CEPH_IOCTL_MAGIC 0x97
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/* just use u64 to align sanely on all archs */
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struct ceph_ioctl_layout {
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__u64 stripe_unit, stripe_count, object_size;
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__u64 data_pool;
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__s64 preferred_osd;
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};
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#define CEPH_IOC_GET_LAYOUT _IOR(CEPH_IOCTL_MAGIC, 1, \
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struct ceph_ioctl_layout)
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#define CEPH_IOC_SET_LAYOUT _IOW(CEPH_IOCTL_MAGIC, 2, \
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struct ceph_ioctl_layout)
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#define CEPH_IOC_SET_LAYOUT_POLICY _IOW(CEPH_IOCTL_MAGIC, 5, \
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struct ceph_ioctl_layout)
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/*
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* Extract identity, address of the OSD and object storing a given
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* file offset.
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*/
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struct ceph_ioctl_dataloc {
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__u64 file_offset; /* in+out: file offset */
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__u64 object_offset; /* out: offset in object */
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__u64 object_no; /* out: object # */
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__u64 object_size; /* out: object size */
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char object_name[64]; /* out: object name */
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__u64 block_offset; /* out: offset in block */
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__u64 block_size; /* out: block length */
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__s64 osd; /* out: osd # */
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struct sockaddr_storage osd_addr; /* out: osd address */
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};
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#define CEPH_IOC_GET_DATALOC _IOWR(CEPH_IOCTL_MAGIC, 3, \
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struct ceph_ioctl_dataloc)
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#define CEPH_IOC_LAZYIO _IO(CEPH_IOCTL_MAGIC, 4)
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#endif
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