};
struct lov_request {
+ struct obd_info rq_oi;
+ struct lov_request_set *rq_rqset;
+
struct list_head rq_link;
- struct ldlm_extent rq_extent;
+
int rq_idx; /* index in lov->tgts array */
- int rq_gen; /* lov target generation # */
int rq_stripe; /* stripe number */
int rq_complete;
int rq_rc;
int rq_buflen; /* length of sub_md */
- struct obdo *rq_oa;
- struct lov_stripe_md *rq_md;
+
obd_count rq_oabufs;
obd_count rq_pgaidx;
};
struct lov_request_set {
+ struct ldlm_enqueue_info*set_ei;
+ struct obd_info *set_oi;
atomic_t set_refcount;
struct obd_export *set_exp;
+ /* XXX: There is @set_exp already, however obd_statfs gets obd_device
+ only. */
+ struct obd_device *set_obd;
int set_count;
int set_completes;
int set_success;
struct llog_cookie *set_cookies;
int set_cookie_sent;
- struct lov_stripe_md *set_md;
- struct obdo *set_oa;
struct obd_trans_info *set_oti;
obd_count set_oabufs;
struct brw_page *set_pga;
struct list_head set_list;
};
-#define LAP_MAGIC 8200
-
-#define LOV_MAX_TGT_COUNT 1024
-
-#define lov_tgts_lock(lov) spin_lock(&lov->lov_lock);
-#define lov_tgts_unlock(lov) spin_unlock(&lov->lov_lock);
-
-static inline void
-lov_tgt_set_flags(struct lov_obd *lov, struct lov_tgt_desc *tgt, int flags)
-{
- lov_tgts_lock(lov);
- if ((flags & LTD_ACTIVE) && ((tgt->ltd_flags & LTD_ACTIVE) == 0))
- lov->desc.ld_active_tgt_count++;
- tgt->ltd_flags |= flags;
- lov_tgts_unlock(lov);
-}
-
-static inline void
-lov_tgt_clear_flags(struct lov_obd *lov, struct lov_tgt_desc *tgt, int flags)
-{
- ENTRY;
-
- lov_tgts_lock(lov);
- if ((flags & LTD_ACTIVE) && (tgt->ltd_flags & LTD_ACTIVE))
- lov->desc.ld_active_tgt_count--;
- tgt->ltd_flags &= ~flags;
- lov_tgts_unlock(lov);
- EXIT;
-}
-
-static inline int
-lov_tgt_changed(struct lov_obd *lov, struct lov_oinfo *loi)
-{
- int changed;
-
- lov_tgts_lock(lov);
- changed = lov->tgts[loi->loi_ost_idx].ltd_gen != loi->loi_ost_gen;
- lov_tgts_unlock(lov);
-
- return changed;
-}
-
-static inline int
-lov_tgt_active(struct lov_obd *lov, struct lov_tgt_desc *tgt, int gen)
-{
- int rc = 0;
- lov_tgts_lock(lov);
-
- if (((gen == 0) || (gen == tgt->ltd_gen)) &&
- ((tgt->ltd_flags &(LTD_ACTIVE|LTD_DEL_PENDING)) == LTD_ACTIVE)) {
- tgt->ltd_refcount++;
- rc = 1;
- }
-
- lov_tgts_unlock(lov);
- return rc;
-}
-
-static inline int
-lov_tgt_ready(struct lov_obd *lov, struct lov_tgt_desc *tgt, int gen)
-{
- int rc = 0;
-
- lov_tgts_lock(lov);
-
- if (((gen == 0) || (gen == tgt->ltd_gen)) &&
- (tgt->ltd_flags & LTD_ACTIVE)) {
- tgt->ltd_refcount++;
- rc = 1;
- }
-
- lov_tgts_unlock(lov);
- return rc;
-}
-
-static inline int
-lov_tgt_valid(struct lov_obd *lov, struct lov_tgt_desc *tgt, int gen)
-{
- int rc = 0;
- lov_tgts_lock(lov);
-
- if (((gen == 0) || (gen == tgt->ltd_gen)) && (tgt->ltd_exp != NULL)) {
- tgt->ltd_refcount++;
- rc = 1;
- }
-
- lov_tgts_unlock(lov);
- return rc;
-}
-
-static inline void
-lov_tgt_decref(struct lov_obd *lov, struct lov_tgt_desc *tgt)
-{
- int do_wakeup = 0;
-
- lov_tgts_lock(lov);
-
- if ((--tgt->ltd_refcount == 0) && (tgt->ltd_flags & LTD_DEL_PENDING)) {
- do_wakeup = 1;
- }
-
- lov_tgts_unlock(lov);
- if (do_wakeup)
- wake_up(&lov->lov_tgt_waitq);
-}
+#define LOV_AP_MAGIC 8200
struct lov_async_page {
int lap_magic;
int lap_stripe;
obd_off lap_sub_offset;
+ obd_id lap_loi_id;
+ obd_gr lap_loi_gr;
void *lap_sub_cookie;
struct obd_async_page_ops *lap_caller_ops;
void *lap_caller_data;
- obd_id lap_loi_id;
};
-#define LAP_FROM_COOKIE(c) \
- (LASSERT(((struct lov_async_page *)(c))->lap_magic == LAP_MAGIC), \
+#define LAP_FROM_COOKIE(c) \
+ (LASSERT(((struct lov_async_page *)(c))->lap_magic == LOV_AP_MAGIC), \
(struct lov_async_page *)(c))
+extern cfs_mem_cache_t *lov_oinfo_slab;
+
static inline void lov_llh_addref(void *llhp)
{
struct lov_lock_handles *llh = llhp;
OBD_ALLOC(llh, sizeof *llh +
sizeof(*llh->llh_handles) * lsm->lsm_stripe_count);
- if (llh == NULL)
+ if (llh == NULL)
return NULL;
atomic_set(&llh->llh_refcount, 2);
llh->llh_stripe_count = lsm->lsm_stripe_count;
- INIT_LIST_HEAD(&llh->llh_handle.h_link);
+ CFS_INIT_LIST_HEAD(&llh->llh_handle.h_link);
class_handle_hash(&llh->llh_handle, lov_llh_addref);
return llh;
}
atomic_read(&llh->llh_refcount) < 0x5a5a);
if (atomic_dec_and_test(&llh->llh_refcount)) {
class_handle_unhash(&llh->llh_handle);
- LASSERT(list_empty(&llh->llh_handle.h_link));
- OBD_FREE(llh, sizeof *llh +
- sizeof(*llh->llh_handles) * llh->llh_stripe_count);
+ /* The structure may be held by other threads because RCU.
+ * -jxiong */
+ if (atomic_read(&llh->llh_refcount))
+ return;
+
+ OBD_FREE_RCU(llh, sizeof *llh +
+ sizeof(*llh->llh_handles) * llh->llh_stripe_count,
+ &llh->llh_handle);
}
}
+#define lov_uuid2str(lv, index) \
+ (char *)((lv)->lov_tgts[index]->ltd_uuid.uuid)
+
/* lov_merge.c */
-void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_flags valid,
+void lov_merge_attrs(struct obdo *tgt, struct obdo *src, obd_flag valid,
struct lov_stripe_md *lsm, int stripeno, int *set);
-
+int lov_merge_lvb(struct obd_export *exp, struct lov_stripe_md *lsm,
+ struct ost_lvb *lvb, int kms_only);
int lov_adjust_kms(struct obd_export *exp, struct lov_stripe_md *lsm,
obd_off size, int shrink);
+
/* lov_offset.c */
-obd_size lov_stripe_size(struct lov_stripe_md *lsm, obd_size ost_size,
+obd_size lov_stripe_size(struct lov_stripe_md *lsm, obd_size ost_size,
int stripeno);
int lov_stripe_offset(struct lov_stripe_md *lsm, obd_off lov_off,
int stripeno, obd_off *obd_off);
int lov_stripe_number(struct lov_stripe_md *lsm, obd_off lov_off);
/* lov_qos.c */
+#define LOV_USES_ASSIGNED_STRIPE 0
+#define LOV_USES_DEFAULT_STRIPE 1
+int qos_add_tgt(struct obd_device *obd, __u32 index);
+int qos_del_tgt(struct obd_device *obd, __u32 index);
void qos_shrink_lsm(struct lov_request_set *set);
-int qos_prep_create(struct lov_obd *lov, struct lov_request_set *set,
- int newea);
+int qos_prep_create(struct obd_export *exp, struct lov_request_set *set);
+void qos_update(struct lov_obd *lov);
+int qos_remedy_create(struct lov_request_set *set, struct lov_request *req);
/* lov_request.c */
void lov_set_add_req(struct lov_request *req, struct lov_request_set *set);
-int lov_update_common_set(struct lov_request_set *set,
+void lov_update_set(struct lov_request_set *set,
+ struct lov_request *req, int rc);
+int lov_update_common_set(struct lov_request_set *set,
struct lov_request *req, int rc);
-int lov_prep_create_set(struct obd_export *exp, struct lov_stripe_md **ea,
- struct obdo *src_oa, struct obd_trans_info *oti,
+int lov_prep_create_set(struct obd_export *exp, struct obd_info *oifo,
+ struct lov_stripe_md **ea, struct obdo *src_oa,
+ struct obd_trans_info *oti,
struct lov_request_set **reqset);
int lov_update_create_set(struct lov_request_set *set,
struct lov_request *req, int rc);
int lov_fini_create_set(struct lov_request_set *set, struct lov_stripe_md **ea);
-int lov_prep_brw_set(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md *lsm, obd_count oa_bufs,
- struct brw_page *pga, struct obd_trans_info *oti,
+int lov_prep_brw_set(struct obd_export *exp, struct obd_info *oinfo,
+ obd_count oa_bufs, struct brw_page *pga,
+ struct obd_trans_info *oti,
struct lov_request_set **reqset);
int lov_fini_brw_set(struct lov_request_set *set);
-int lov_prep_getattr_set(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md *lsm,
+int lov_prep_getattr_set(struct obd_export *exp, struct obd_info *oinfo,
struct lov_request_set **reqset);
int lov_fini_getattr_set(struct lov_request_set *set);
-int lov_prep_destroy_set(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md *lsm,
- struct obd_trans_info *oti,
+int lov_prep_destroy_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct obdo *src_oa, struct lov_stripe_md *lsm,
+ struct obd_trans_info *oti,
struct lov_request_set **reqset);
int lov_update_destroy_set(struct lov_request_set *set,
struct lov_request *req, int rc);
int lov_fini_destroy_set(struct lov_request_set *set);
-int lov_prep_setattr_set(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md *lsm, struct obd_trans_info *oti,
+int lov_prep_setattr_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct obd_trans_info *oti,
struct lov_request_set **reqset);
+int lov_update_setattr_set(struct lov_request_set *set,
+ struct lov_request *req, int rc);
int lov_fini_setattr_set(struct lov_request_set *set);
-int lov_prep_punch_set(struct obd_export *exp, struct obdo *src_oa,
- struct lov_stripe_md *lsm, obd_off start,
- obd_off end, struct obd_trans_info *oti,
+int lov_prep_punch_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct obd_trans_info *oti,
struct lov_request_set **reqset);
-int lov_update_punch_set(struct lov_request_set *set, struct lov_request *req,
- int rc);
int lov_fini_punch_set(struct lov_request_set *set);
-int lov_prep_sync_set(struct obd_export *exp, struct obdo *src_oa,
+int lov_prep_sync_set(struct obd_export *exp, struct obd_info *obd_info,
+ struct obdo *src_oa,
struct lov_stripe_md *lsm, obd_off start,
obd_off end, struct lov_request_set **reqset);
int lov_fini_sync_set(struct lov_request_set *set);
-int lov_prep_enqueue_set(struct obd_export *exp, struct lov_stripe_md *lsm,
- ldlm_policy_data_t *policy, __u32 mode,
- struct lustre_handle *lockh,
+int lov_prep_enqueue_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct ldlm_enqueue_info *einfo,
struct lov_request_set **reqset);
-int lov_update_enqueue_set(struct lov_request_set *set,
- struct lov_request *req, int rc, int flags);
-int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode);
-int lov_prep_match_set(struct obd_export *exp, struct lov_stripe_md *lsm,
+int lov_fini_enqueue_set(struct lov_request_set *set, __u32 mode, int rc,
+ struct ptlrpc_request_set *rqset);
+int lov_prep_match_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct lov_stripe_md *lsm,
ldlm_policy_data_t *policy, __u32 mode,
struct lustre_handle *lockh,
struct lov_request_set **reqset);
int lov_update_match_set(struct lov_request_set *set, struct lov_request *req,
int rc);
-int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags);
-int lov_prep_cancel_set(struct obd_export *exp, struct lov_stripe_md *lsm,
+int lov_fini_match_set(struct lov_request_set *set, __u32 mode, int flags);
+int lov_prep_cancel_set(struct obd_export *exp, struct obd_info *oinfo,
+ struct lov_stripe_md *lsm,
__u32 mode, struct lustre_handle *lockh,
struct lov_request_set **reqset);
int lov_fini_cancel_set(struct lov_request_set *set);
+int lov_prep_statfs_set(struct obd_device *obd, struct obd_info *oinfo,
+ struct lov_request_set **reqset);
+void lov_update_statfs(struct obd_device *obd, struct obd_statfs *osfs,
+ struct obd_statfs *lov_sfs, int success);
+int lov_fini_statfs(struct obd_device *obd, struct obd_statfs *osfs,
+ int success);
+int lov_fini_statfs_set(struct lov_request_set *set);
/* lov_obd.c */
-int lov_get_stripecnt(struct lov_obd *lov, int stripe_count);
-int lov_alloc_memmd(struct lov_stripe_md **lsmp, int stripe_count, int pattern);
-void lov_free_memmd(struct lov_stripe_md **lsmp);
+void lov_fix_desc(struct lov_desc *desc);
+int lov_get_stripecnt(struct lov_obd *lov, __u32 stripe_count);
+void lov_getref(struct obd_device *obd);
+void lov_putref(struct obd_device *obd);
/* lov_log.c */
-int lov_llog_init(struct obd_device *, struct obd_llogs *,
- struct obd_device *, int, struct llog_catid *);
-int lov_llog_finish(struct obd_device *, struct obd_llogs *, int);
+int lov_llog_init(struct obd_device *obd, struct obd_llogs *llogs,
+ struct obd_device *tgt, int count, struct llog_catid *logid,
+ struct obd_uuid *uuid);
+int lov_llog_finish(struct obd_device *obd, int count);
/* lov_pack.c */
int lov_packmd(struct obd_export *exp, struct lov_mds_md **lmm,
struct lov_user_md *lump);
int lov_getstripe(struct obd_export *exp,
struct lov_stripe_md *lsm, struct lov_user_md *lump);
+int lov_alloc_memmd(struct lov_stripe_md **lsmp, int stripe_count,
+ int pattern, int magic);
+void lov_free_memmd(struct lov_stripe_md **lsmp);
+void lov_dump_lmm_v1(int level, struct lov_mds_md_v1 *lmm);
+void lov_dump_lmm_join(int level, struct lov_mds_md_join *lmmj);
+/* lov_ea.c */
+int lov_unpackmd_join(struct lov_obd *lov, struct lov_stripe_md *lsm,
+ struct lov_mds_md *lmm);
+struct lov_stripe_md *lsm_alloc_plain(int stripe_count, int *size);
+void lsm_free_plain(struct lov_stripe_md *lsm);
+
+struct lov_extent *lovea_idx2le(struct lov_stripe_md *lsm, int stripe_no);
+struct lov_extent *lovea_off2le(struct lov_stripe_md *lsm, obd_off lov_off);
+int lovea_destroy_object(struct lov_obd *lov, struct lov_stripe_md *lsm,
+ struct obdo *oa, void *data);
/* lproc_lov.c */
extern struct file_operations lov_proc_target_fops;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff