#include <linux/dcache.h>
#include <linux/lustre_iam.h>
+/* LUSTRE_OSD_NAME */
+#include <obd.h>
+/* class_register_type(), class_unregister_type(), class_get_type() */
+#include <obd_class.h>
+#include <lustre_disk.h>
+
#include <dt_object.h>
#include "osd_oi.h"
#define OSD_COUNTERS (0)
+/*
+ * osd device.
+ */
+struct osd_device {
+ /* super-class */
+ struct dt_device od_dt_dev;
+ /* information about underlying file system */
+ struct lustre_mount_info *od_mount;
+ /* object index */
+ struct osd_oi od_oi;
+ /*
+ * XXX temporary stuff for object index: directory where every object
+ * is named by its fid.
+ */
+ struct dentry *od_obj_area;
+
+ /* Environment for transaction commit callback.
+ * Currently, OSD is based on ext3/JBD. Transaction commit in ext3/JBD
+ * is serialized, that is there is no more than one transaction commit
+ * at a time (JBD journal_commit_transaction() is serialized).
+ * This means that it's enough to have _one_ lu_context.
+ */
+ struct lu_env od_env_for_commit;
+
+ /*
+ * Fid Capability
+ */
+ unsigned int od_fl_capa:1;
+ unsigned long od_capa_timeout;
+ __u32 od_capa_alg;
+ struct lustre_capa_key *od_capa_keys;
+ struct hlist_head *od_capa_hash;
+
+ cfs_proc_dir_entry_t *od_proc_entry;
+ struct lprocfs_stats *od_stats;
+ /*
+ * statfs optimization: we cache a bit.
+ */
+ cfs_time_t od_osfs_age;
+ struct kstatfs od_kstatfs;
+ spinlock_t od_osfs_lock;
+};
+
+
struct osd_thread_info {
const struct lu_env *oti_env;
struct lu_fid_pack oti_pack;
+ /* union to guarantee that ->oti_ipd[] has proper alignment. */
+ union {
char oti_ipd[DX_IPD_MAX_SIZE];
+ long long oti_alignment_lieutenant;
+ };
#if OSD_COUNTERS
int oti_r_locks;
int oti_w_locks;
#endif
};
+#ifdef LPROCFS
+/* osd_lproc.c */
+void lprocfs_osd_init_vars(struct lprocfs_static_vars *lvars);
+int osd_procfs_init(struct osd_device *osd, const char *name);
+int osd_procfs_fini(struct osd_device *osd);
+void osd_lprocfs_time_start(const struct lu_env *env);
+void osd_lprocfs_time_end(const struct lu_env *env,
+ struct osd_device *osd, int op);
+#endif
+int osd_statfs(const struct lu_env *env, struct dt_device *dev,
+ struct kstatfs *sfs);
+
#endif /* __KERNEL__ */
#endif /* _OSD_INTERNAL_H */