go-ceph/cephfs/conn_nautilus.go

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// +build !luminous,!mimic
package cephfs
/*
#cgo LDFLAGS: -lcephfs
#cgo CPPFLAGS: -D_FILE_OFFSET_BITS=64
#include <cephfs/libcephfs.h>
*/
import "C"
// Some general connectivity and mounting functions are new in
// Ceph Nautilus.
// GetFsCid returns the cluster ID for a mounted ceph file system.
// If the object does not refer to a mounted file system, an error
// will be returned.
//
// Note:
// Only supported in Ceph Nautilus and newer.
//
// Implements:
// int64_t ceph_get_fs_cid(struct ceph_mount_info *cmount);
func (mount *MountInfo) GetFsCid() (int64, error) {
ret := C.ceph_get_fs_cid(mount.mount)
if ret < 0 {
return 0, getError(C.int(ret))
}
return int64(ret), nil
}