/* device used to store persistent state (llogs, last ids) */
struct obd_export *opd_storage_exp;
struct dt_device *opd_storage;
- struct dt_object *opd_last_used_file;
+ struct dt_object *opd_last_used_oid_file;
+ struct dt_object *opd_last_used_seq_file;
/* stored persistently in LE format, updated directly to/from disk
* and required le64_to_cpu() conversion before use.
* Protected by opd_pre_lock */
- volatile obd_id opd_last_used_id;
-
- obd_id opd_gap_start;
+ struct lu_fid opd_last_used_fid;
+ struct lu_fid opd_gap_start_fid;
int opd_gap_count;
/* connection to OST */
struct obd_device *opd_obd;
* Precreation pool
*/
spinlock_t opd_pre_lock;
- /* last id assigned in creation */
- __u64 opd_pre_used_id;
+
+ /* last fid to assign in creation */
+ struct lu_fid opd_pre_used_fid;
/* last created id OST reported, next-created - available id's */
- __u64 opd_pre_last_created;
+ struct lu_fid opd_pre_last_created_fid;
/* how many ids are reserved in declare, we shouldn't block in create */
__u64 opd_pre_reserved;
/* dedicate precreate thread */
struct osp_thread_info {
struct lu_buf osi_lb;
+ struct lu_buf osi_lb2;
struct lu_fid osi_fid;
struct lu_attr osi_attr;
struct ost_id osi_oi;
+ struct ost_id osi_oi2;
obd_id osi_id;
loff_t osi_off;
union {
struct lu_seq_range osi_seq;
};
-static inline void osp_objid_buf_prep(struct osp_thread_info *osi,
- struct osp_device *d, int index)
+static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off,
+ __u32 *id, int index)
+{
+ buf->lb_buf = (void *)id;
+ buf->lb_len = sizeof(obd_id);
+ *off = sizeof(obd_id) * index;
+}
+
+static inline void osp_objseq_buf_prep(struct lu_buf *buf, loff_t *off,
+ __u64 *seq, int index)
+{
+ buf->lb_buf = (void *)seq;
+ buf->lb_len = sizeof(obd_id);
+ *off = sizeof(obd_id) * index;
+}
+
+static inline void osp_buf_prep(struct lu_buf *lb, void *buf, int buf_len)
{
- osi->osi_lb.lb_buf = (void *)&d->opd_last_used_id;
- osi->osi_lb.lb_len = sizeof(d->opd_last_used_id);
- osi->osi_off = sizeof(d->opd_last_used_id) * index;
+ lb->lb_buf = buf;
+ lb->lb_len = buf_len;
}
extern struct lu_context_key osp_thread_key;
#define osp_get_rpc_lock(lck, it) mdc_get_rpc_lock(lck, it)
#define osp_put_rpc_lock(lck, it) mdc_put_rpc_lock(lck, it)
+static inline void osp_update_last_fid(struct osp_device *d, struct lu_fid *fid)
+{
+ int diff = lu_fid_diff(fid, &d->opd_last_used_fid);
+ /*
+ * we might have lost precreated objects due to VBR and precreate
+ * orphans, the gap in objid can be calculated properly only here
+ */
+ if (diff > 0) {
+ if (diff > 1) {
+ d->opd_gap_start_fid = d->opd_last_used_fid;
+ d->opd_gap_start_fid.f_oid++;
+ d->opd_gap_count = diff - 1;
+ CDEBUG(D_HA, "Gap in objids: start="DFID", count =%d\n",
+ PFID(&d->opd_gap_start_fid), d->opd_gap_count);
+ }
+ d->opd_last_used_fid = *fid;
+ }
+}
+
+static int osp_fid_end_seq(const struct lu_env *env, struct lu_fid *fid)
+{
+ if (fid_is_idif(fid)) {
+ struct osp_thread_info *info = osp_env_info(env);
+ struct ost_id *oi = &info->osi_oi;
+
+ fid_ostid_pack(fid, oi);
+ return oi->oi_id == IDIF_MAX_OID;
+ } else {
+ return fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH;
+ }
+}
+
+static inline int osp_precreate_end_seq_nolock(const struct lu_env *env,
+ struct osp_device *osp)
+{
+ struct lu_fid *fid = &osp->opd_pre_last_created_fid;
+
+ return osp_fid_end_seq(env, fid);
+}
+
+static inline int osp_precreate_end_seq(const struct lu_env *env,
+ struct osp_device *osp)
+{
+ int rc;
+
+ spin_lock(&osp->opd_pre_lock);
+ rc = osp_precreate_end_seq_nolock(env, osp);
+ spin_unlock(&osp->opd_pre_lock);
+ return rc;
+}
+
+static inline int osp_is_fid_client(struct osp_device *osp)
+{
+ struct obd_import *imp = osp->opd_obd->u.cli.cl_import;
+
+ return imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_FID;
+}
+
/* osp_dev.c */
void osp_update_last_id(struct osp_device *d, obd_id objid);
extern struct llog_operations osp_mds_ost_orig_logops;
int osp_init_precreate(struct osp_device *d);
int osp_precreate_reserve(const struct lu_env *env, struct osp_device *d);
__u64 osp_precreate_get_id(struct osp_device *d);
+int osp_precreate_get_fid(const struct lu_env *env, struct osp_device *d,
+ struct lu_fid *fid);
void osp_precreate_fini(struct osp_device *d);
int osp_object_truncate(const struct lu_env *env, struct dt_object *dt, __u64);
void osp_pre_update_status(struct osp_device *d, int rc);
void osp_statfs_need_now(struct osp_device *d);
+int osp_reset_last_used(const struct lu_env *env, struct osp_device *osp);
+int osp_write_last_oid_seq_files(struct lu_env *env, struct osp_device *osp,
+ struct lu_fid *fid, int sync);
/* lproc_osp.c */
void lprocfs_osp_init_vars(struct lprocfs_static_vars *lvars);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff