#include <obd_class.h>
#include <dt_object.h>
#include <lustre_fid.h>
+#include <obd_ost.h>
#include <lustre_capa.h>
#define OFD_INIT_OBJID 0
OBD_INCOMPAT_COMMON_LR)
#define OFD_MAX_GROUPS 256
+/* Limit the returned fields marked valid to those that we actually might set */
+#define OFD_VALID_FLAGS (LA_TYPE | LA_MODE | LA_SIZE | LA_BLOCKS | \
+ LA_BLKSIZE | LA_ATIME | LA_MTIME | LA_CTIME)
+
/* per-client-per-object persistent state (LRU) */
struct ofd_mod_data {
cfs_list_t fmd_list; /* linked to fed_mod_list */
struct ofd_device {
struct dt_device ofd_dt_dev;
struct dt_device *ofd_osd;
+ struct obd_export *ofd_osd_exp;
struct dt_device_param ofd_dt_conf;
/* DLM name-space for meta-data locks maintained by this server */
struct ldlm_namespace *ofd_namespace;
+ /* transaction callbacks */
+ struct dt_txn_callback ofd_txn_cb;
+
/* last_rcvd file */
struct lu_target ofd_lut;
struct dt_object *ofd_last_group_file;
cfs_mutex_t ofd_create_locks[OFD_MAX_GROUPS];
struct dt_object *ofd_lastid_obj[OFD_MAX_GROUPS];
cfs_spinlock_t ofd_objid_lock;
+ unsigned long ofd_destroys_in_progress;
/* protect all statfs-related counters */
cfs_spinlock_t ofd_osfs_lock;
}
struct ofd_object {
- struct lu_object_header ofo_header;
+ struct lu_object_header ofo_header;
struct dt_object ofo_obj;
+ int ofo_ff_exists;
};
static inline struct ofd_object *ofd_obj(struct lu_object *o)
return container_of0(o, struct ofd_object, ofo_obj.do_lu);
}
+static inline int ofd_object_exists(struct ofd_object *obj)
+{
+ LASSERT(obj != NULL);
+ if (lu_object_is_dying(obj->ofo_obj.do_lu.lo_header))
+ return 0;
+ return lu_object_exists(&obj->ofo_obj.do_lu);
+}
+
+static inline struct dt_object *fo2dt(struct ofd_object *obj)
+{
+ return &obj->ofo_obj;
+}
+
+static inline struct dt_object *ofd_object_child(struct ofd_object *_obj)
+{
+ struct lu_object *lu = &(_obj)->ofo_obj.do_lu;
+
+ return container_of0(lu_object_next(lu), struct dt_object, do_lu);
+}
+
+static inline struct ofd_device *ofd_obj2dev(const struct ofd_object *fo)
+{
+ return ofd_dev(fo->ofo_obj.do_lu.lo_dev);
+}
+
+static inline struct lustre_capa *ofd_object_capa(const struct lu_env *env,
+ const struct ofd_object *obj)
+{
+ /* TODO: see mdd_object_capa() */
+ return BYPASS_CAPA;
+}
+
+static inline void ofd_read_lock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_read_lock(env, next, 0);
+}
+
+static inline void ofd_read_unlock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_read_unlock(env, next);
+}
+
+static inline void ofd_write_lock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_write_lock(env, next, 0);
+}
+
+static inline void ofd_write_unlock(const struct lu_env *env,
+ struct ofd_object *fo)
+{
+ struct dt_object *next = ofd_object_child(fo);
+
+ next->do_ops->do_write_unlock(env, next);
+}
+
/*
* Common data shared by obdofd-level handlers. This is allocated per-thread
* to reduce stack consumption.
const struct lu_env *fti_env;
struct obd_export *fti_exp;
+ __u64 fti_xid;
+ __u64 fti_transno;
+ __u64 fti_pre_version;
+ __u32 fti_has_trans:1, /* has txn already */
+ fti_mult_trans:1;
+
struct lu_fid fti_fid;
struct lu_attr fti_attr;
+ struct lu_attr fti_attr2;
+ struct ldlm_res_id fti_resid;
+ struct filter_fid fti_mds_fid;
+ struct filter_fid fti_mds_fid2;
+ struct ost_id fti_ostid;
+ struct ofd_object *fti_obj;
union {
char name[64]; /* for ofd_init0() */
struct obd_statfs osfs; /* for obdofd_statfs() */
} fti_u;
+ /* Ops object filename */
+ struct lu_name fti_name;
struct dt_object_format fti_dof;
struct lu_buf fti_buf;
loff_t fti_off;
/* ofd_fs.c */
obd_id ofd_last_id(struct ofd_device *ofd, obd_seq seq);
+void ofd_last_id_set(struct ofd_device *ofd, obd_id id, obd_seq seq);
+int ofd_last_id_write(const struct lu_env *env, struct ofd_device *ofd,
+ obd_seq seq);
int ofd_group_load(const struct lu_env *env, struct ofd_device *ofd, int);
int ofd_fs_setup(const struct lu_env *env, struct ofd_device *ofd,
struct obd_device *obd);
void ofd_fs_cleanup(const struct lu_env *env, struct ofd_device *ofd);
+/* ofd_io.c */
+int ofd_preprw(const struct lu_env *env,int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int *nr_local,
+ struct niobuf_local *lnb, struct obd_trans_info *oti,
+ struct lustre_capa *capa);
+int ofd_commitrw(const struct lu_env *env, int cmd, struct obd_export *exp,
+ struct obdo *oa, int objcount, struct obd_ioobj *obj,
+ struct niobuf_remote *rnb, int npages,
+ struct niobuf_local *lnb, struct obd_trans_info *oti,
+ int old_rc);
+
+/* ofd_trans.c */
+struct thandle *ofd_trans_create(const struct lu_env *env,
+ struct ofd_device *ofd);
+int ofd_trans_start(const struct lu_env *env,
+ struct ofd_device *ofd, struct ofd_object *fo,
+ struct thandle *th);
+void ofd_trans_stop(const struct lu_env *env, struct ofd_device *ofd,
+ struct thandle *th, int rc);
+int ofd_txn_stop_cb(const struct lu_env *env, struct thandle *txn,
+ void *cookie);
+
/* lproc_ofd.c */
void lprocfs_ofd_init_vars(struct lprocfs_static_vars *lvars);
int lproc_ofd_attach_seqstat(struct obd_device *dev);
extern struct file_operations ofd_per_nid_stats_fops;
+/* ofd_objects.c */
+struct ofd_object *ofd_object_find(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid);
+struct ofd_object *ofd_object_find_or_create(const struct lu_env *env,
+ struct ofd_device *ofd,
+ const struct lu_fid *fid,
+ struct lu_attr *attr);
+int ofd_object_ff_check(const struct lu_env *env, struct ofd_object *fo);
+int ofd_precreate_object(const struct lu_env *env, struct ofd_device *ofd,
+ obd_id id, obd_seq seq);
+
+void ofd_object_put(const struct lu_env *env, struct ofd_object *fo);
+int ofd_attr_set(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, struct filter_fid *ff);
+int ofd_object_punch(const struct lu_env *env, struct ofd_object *fo,
+ __u64 start, __u64 end, struct lu_attr *la,
+ struct filter_fid *ff);
+int ofd_object_destroy(const struct lu_env *, struct ofd_object *, int);
+int ofd_attr_get(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la);
+int ofd_attr_handle_ugid(const struct lu_env *env, struct ofd_object *fo,
+ struct lu_attr *la, int is_setattr);
+
/* ofd_grants.c */
#define OFD_GRANT_RATIO_SHIFT 8
static inline __u64 ofd_grant_reserved(struct ofd_device *ofd, obd_size bavail)
#define ofd_fmd_drop(exp, fid) do {} while (0)
#endif
+/* ofd_lvb.c */
+extern struct ldlm_valblock_ops ofd_lvbo;
+
+/* ofd_dlm.c */
+int ofd_intent_policy(struct ldlm_namespace *ns, struct ldlm_lock **lockp,
+ void *req_cookie, ldlm_mode_t mode, int flags,
+ void *data);
+
static inline struct ofd_thread_info * ofd_info(const struct lu_env *env)
{
struct ofd_thread_info *info;
LASSERT(info);
LASSERT(info->fti_exp == NULL);
LASSERT(info->fti_env == NULL);
+ LASSERT(info->fti_attr.la_valid == 0);
info->fti_env = env;
info->fti_exp = exp;
+ info->fti_pre_version = 0;
+ info->fti_transno = 0;
+ info->fti_has_trans = 0;
return info;
}
+/* The same as osc_build_res_name() */
+static inline void ofd_build_resid(const struct lu_fid *fid,
+ struct ldlm_res_id *resname)
+{
+ if (fid_is_idif(fid)) {
+ /* get id/seq like ostid_idif_pack() does */
+ osc_build_res_name(fid_idif_id(fid_seq(fid), fid_oid(fid),
+ fid_ver(fid)),
+ FID_SEQ_OST_MDT0, resname);
+ } else {
+ /* In the future, where OSTs have FID sequences allocated. */
+ fid_build_reg_res_name(fid, resname);
+ }
+}
+
+static inline void ofd_fid_from_resid(struct lu_fid *fid,
+ const struct ldlm_res_id *name)
+{
+ /* if seq is FID_SEQ_OST_MDT0 then we have IDIF and resid was built
+ * using osc_build_res_name function. */
+ if (fid_seq_is_mdt0(name->name[LUSTRE_RES_ID_VER_OID_OFF])) {
+ struct ost_id ostid;
+
+ ostid.oi_id = name->name[LUSTRE_RES_ID_SEQ_OFF];
+ ostid.oi_seq = name->name[LUSTRE_RES_ID_VER_OID_OFF];
+ fid_ostid_unpack(fid, &ostid, 0);
+ } else {
+ fid->f_seq = name->name[LUSTRE_RES_ID_SEQ_OFF];
+ fid->f_oid = (__u32)name->name[LUSTRE_RES_ID_VER_OID_OFF];
+ fid->f_ver = name->name[LUSTRE_RES_ID_VER_OID_OFF] >> 32;
+ }
+}
+
+static inline void ofd_oti2info(struct ofd_thread_info *info,
+ struct obd_trans_info *oti)
+{
+ info->fti_xid = oti->oti_xid;
+ info->fti_transno = oti->oti_transno;
+ info->fti_pre_version = oti->oti_pre_version;
+}
+
+static inline void ofd_info2oti(struct ofd_thread_info *info,
+ struct obd_trans_info *oti)
+{
+ oti->oti_xid = info->fti_xid;
+ LASSERTF(ergo(oti->oti_transno > 0,
+ oti->oti_transno == info->fti_transno),
+ "Overwrite replay transno "LPX64" by "LPX64"\n",
+ oti->oti_transno, info->fti_transno);
+ oti->oti_transno = info->fti_transno;
+ oti->oti_pre_version = info->fti_pre_version;
+}
+
/* sync on lock cancel is useless when we force a journal flush,
* and if we enable async journal commit, we should also turn on
* sync on lock cancel if it is not enabled already. */
ofd->ofd_sync_lock_cancel = ALWAYS_SYNC_ON_CANCEL;
}
-/* niobuf_local has no rnb_ prefix in master */
+static inline void ofd_prepare_fidea(struct filter_fid *ff, struct obdo *oa)
+{
+ if (!(oa->o_valid & OBD_MD_FLGROUP))
+ oa->o_seq = 0;
+ /* packing fid and converting it to LE for storing into EA.
+ * Here ->o_stripe_idx should be filled by LOV and rest of
+ * fields - by client. */
+ ff->ff_parent.f_seq = cpu_to_le64(oa->o_parent_seq);
+ ff->ff_parent.f_oid = cpu_to_le32(oa->o_parent_oid);
+ /* XXX: we are ignoring o_parent_ver here, since this should
+ * be the same for all objects in this fileset. */
+ ff->ff_parent.f_ver = cpu_to_le32(oa->o_stripe_idx);
+ ff->ff_objid = cpu_to_le64(oa->o_id);
+ ff->ff_seq = cpu_to_le64(oa->o_seq);
+}
+
+/* niobuf_remote has no rnb_ prefix in master */
#define rnb_offset offset
#define rnb_flags flags
#define rnb_len len
+/* the same for niobuf_local */
+#define lnb_flags flags
+#define lnb_rc rc
#endif /* _OFD_INTERNAL_H */