result = 0;
}
- rc = mdc_lock_discard_pages(env, obj, start, end, discard);
+ /* Avoid lock matching with CLM_WRITE, there can be no other locks */
+ rc = mdc_lock_discard_pages(env, obj, start, end,
+ mode == CLM_WRITE || discard);
if (result == 0 && rc < 0)
result = rc;
*/
static int mdc_dlm_blocking_ast0(const struct lu_env *env,
struct ldlm_lock *dlmlock,
- void *data, int flag)
+ int flag)
{
struct cl_object *obj = NULL;
int result = 0;
dlmlock->l_ast_data = NULL;
cl_object_get(obj);
}
- ldlm_set_kms_ignore(dlmlock);
unlock_res_and_lock(dlmlock);
/* if l_ast_data is NULL, the dlmlock was enqueued by AGL or
break;
}
- rc = mdc_dlm_blocking_ast0(env, dlmlock, data, flag);
+ rc = mdc_dlm_blocking_ast0(env, dlmlock, flag);
cl_env_put(env, &refcheck);
break;
}
}
static void mdc_lock_granted(const struct lu_env *env, struct osc_lock *oscl,
- struct lustre_handle *lockh, bool lvb_update)
+ struct lustre_handle *lockh)
{
struct ldlm_lock *dlmlock;
descr->cld_end = CL_PAGE_EOF;
/* no lvb update for matched lock */
- if (lvb_update) {
+ if (!ldlm_is_lvb_cached(dlmlock)) {
LASSERT(oscl->ols_flags & LDLM_FL_LVB_READY);
mdc_lock_lvb_update(env, cl2osc(oscl->ols_cl.cls_obj),
dlmlock, NULL);
+ ldlm_set_lvb_cached(dlmlock);
}
}
unlock_res_and_lock(dlmlock);
CDEBUG(D_INODE, "rc %d, err %d\n", rc, errcode);
if (rc == 0)
- mdc_lock_granted(env, oscl, lockh, errcode == ELDLM_OK);
+ mdc_lock_granted(env, oscl, lockh);
/* Error handling, some errors are tolerable. */
if (oscl->ols_locklessable && rc == -EUSERS) {
enum ldlm_mode mode;
bool glimpse = *flags & LDLM_FL_HAS_INTENT;
__u64 match_flags = *flags;
- int rc;
+ struct list_head cancels = LIST_HEAD_INIT(cancels);
+ int rc, count;
ENTRY;
* LVB information, e.g. canceled locks or locks of just pruned object,
* such locks should be skipped.
*/
- mode = ldlm_lock_match_with_skip(obd->obd_namespace, match_flags,
- LDLM_FL_KMS_IGNORE, res_id,
- einfo->ei_type, policy, mode,
- &lockh, 0);
+ mode = ldlm_lock_match(obd->obd_namespace, match_flags, res_id,
+ einfo->ei_type, policy, mode, &lockh, 0);
if (mode) {
struct ldlm_lock *matched;
RETURN(ELDLM_OK);
matched = ldlm_handle2lock(&lockh);
- /* this shouldn't happen but this check is kept to make
- * related test fail if problem occurs
- */
- if (unlikely(ldlm_is_kms_ignore(matched))) {
- LDLM_ERROR(matched, "matched lock has KMS ignore flag");
- goto no_match;
- }
if (OBD_FAIL_CHECK(OBD_FAIL_MDC_GLIMPSE_DDOS))
ldlm_set_kms_ignore(matched);
LDLM_LOCK_PUT(matched);
RETURN(ELDLM_OK);
}
-no_match:
ldlm_lock_decref(&lockh, mode);
LDLM_LOCK_PUT(matched);
}
if (req == NULL)
RETURN(-ENOMEM);
- rc = ldlm_prep_enqueue_req(exp, req, NULL, 0);
+ /* For WRITE lock cancel other locks on resource early if any */
+ if (einfo->ei_mode & LCK_PW)
+ count = mdc_resource_get_unused_res(exp, res_id, &cancels,
+ einfo->ei_mode,
+ MDS_INODELOCK_DOM);
+ else
+ count = 0;
+
+ rc = ldlm_prep_enqueue_req(exp, req, &cancels, count);
if (rc < 0) {
ptlrpc_request_free(req);
RETURN(rc);
if (!rc) {
struct osc_enqueue_args *aa;
- CLASSERT(sizeof(*aa) <= sizeof(req->rq_async_args));
- aa = ptlrpc_req_async_args(req);
+ aa = ptlrpc_req_async_args(aa, req);
aa->oa_exp = exp;
aa->oa_mode = einfo->ei_mode;
aa->oa_type = einfo->ei_type;
ptlrpc_request_set_replen(req);
req->rq_interpret_reply = mdc_data_version_interpret;
- CLASSERT(sizeof(*dva) <= sizeof(req->rq_async_args));
- dva = ptlrpc_req_async_args(req);
+ dva = ptlrpc_req_async_args(dva, req);
dva->dva_oio = oio;
ptlrpcd_add_req(req);
static struct cl_io_operations mdc_io_ops = {
.op = {
[CIT_READ] = {
- .cio_iter_init = osc_io_iter_init,
- .cio_iter_fini = osc_io_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_read_start,
},
[CIT_WRITE] = {
- .cio_iter_init = osc_io_write_iter_init,
- .cio_iter_fini = osc_io_write_iter_fini,
+ .cio_iter_init = osc_io_rw_iter_init,
+ .cio_iter_fini = osc_io_rw_iter_fini,
.cio_start = osc_io_write_start,
.cio_end = osc_io_end,
},
static int mdc_object_ast_clear(struct ldlm_lock *lock, void *data)
{
+ struct osc_object *osc = (struct osc_object *)data;
+ struct ost_lvb *lvb = &lock->l_ost_lvb;
+ struct lov_oinfo *oinfo;
ENTRY;
- if (lock->l_ast_data == data)
+ if (lock->l_ast_data == data) {
lock->l_ast_data = NULL;
- ldlm_set_kms_ignore(lock);
+
+ LASSERT(osc != NULL);
+ LASSERT(osc->oo_oinfo != NULL);
+ LASSERT(lvb != NULL);
+
+ /* Updates lvb in lock by the cached oinfo */
+ oinfo = osc->oo_oinfo;
+ cl_object_attr_lock(&osc->oo_cl);
+ memcpy(lvb, &oinfo->loi_lvb, sizeof(oinfo->loi_lvb));
+ cl_object_attr_unlock(&osc->oo_cl);
+
+ LDLM_DEBUG(lock, "update lvb size %llu blocks %llu [cma]time: "
+ "%llu %llu %llu", lvb->lvb_size, lvb->lvb_blocks,
+ lvb->lvb_ctime, lvb->lvb_mtime, lvb->lvb_atime);
+
+ ldlm_clear_lvb_cached(lock);
+ }
RETURN(LDLM_ITER_CONTINUE);
}
return 0;
}
+static int mdc_object_flush(const struct lu_env *env, struct cl_object *obj,
+ struct ldlm_lock *lock)
+{
+ RETURN(mdc_dlm_blocking_ast0(env, lock, LDLM_CB_CANCELING));
+}
+
static const struct cl_object_operations mdc_ops = {
.coo_page_init = osc_page_init,
.coo_lock_init = mdc_lock_init,
.coo_glimpse = osc_object_glimpse,
.coo_req_attr_set = mdc_req_attr_set,
.coo_prune = mdc_object_prune,
+ .coo_object_flush = mdc_object_flush
};
static const struct osc_object_operations mdc_object_ops = {
git://git.whamcloud.com / fs / lustre-release.git / blobdiff