#define DEBUG_SUBSYSTEM S_MDS
#include <obd_class.h>
+#include <lustre_ioctl.h>
#include <lustre_param.h>
#include <lustre_log.h>
#include <lustre_mdc.h>
struct lu_device *dev, struct lustre_cfg *lcfg)
{
struct osp_device *d = lu2osp_dev(dev);
- struct lprocfs_static_vars lvars = { 0 };
+ struct obd_device *obd = d->opd_obd;
int rc;
ENTRY;
rc = osp_shutdown(env, d);
break;
case LCFG_PARAM:
- lprocfs_osp_init_vars(&lvars);
-
- LASSERT(d->opd_obd);
- rc = class_process_proc_param(PARAM_OSC, lvars.obd_vars,
- lcfg, d->opd_obd);
+ LASSERT(obd);
+ rc = class_process_proc_seq_param(PARAM_OSC, obd->obd_vars,
+ lcfg, obd);
if (rc > 0)
rc = 0;
if (rc == -ENOSYS) {
RETURN(0);
}
+static int osp_sync_timeout(void *data)
+{
+ return 1;
+}
+
static int osp_sync(const struct lu_env *env, struct dt_device *dev)
{
+ struct osp_device *d = dt2osp_dev(dev);
+ cfs_time_t expire;
+ struct l_wait_info lwi = { 0 };
+ unsigned long id, old;
+ int rc = 0;
+ unsigned long start = cfs_time_current();
ENTRY;
- /*
- * XXX: wake up sync thread, command it to start flushing asap?
- */
+ if (unlikely(d->opd_imp_active == 0))
+ RETURN(-ENOTCONN);
- RETURN(0);
+ id = d->opd_syn_last_used_id;
+
+ CDEBUG(D_OTHER, "%s: id: used %lu, processed %lu\n",
+ d->opd_obd->obd_name, id, d->opd_syn_last_processed_id);
+
+ /* wait till all-in-line are processed */
+ while (d->opd_syn_last_processed_id < id) {
+
+ old = d->opd_syn_last_processed_id;
+
+ /* make sure the connection is fine */
+ expire = cfs_time_shift(obd_timeout);
+ lwi = LWI_TIMEOUT(expire - cfs_time_current(),
+ osp_sync_timeout, d);
+ l_wait_event(d->opd_syn_barrier_waitq,
+ d->opd_syn_last_processed_id >= id,
+ &lwi);
+
+ if (d->opd_syn_last_processed_id >= id)
+ break;
+
+ if (d->opd_syn_last_processed_id != old) {
+ /* some progress have been made,
+ * keep trying... */
+ continue;
+ }
+
+ /* no changes and expired, something is wrong */
+ GOTO(out, rc = -ETIMEDOUT);
+ }
+
+ /* block new processing (barrier>0 - few callers are possible */
+ atomic_inc(&d->opd_syn_barrier);
+
+ CDEBUG(D_OTHER, "%s: %u in flight\n", d->opd_obd->obd_name,
+ d->opd_syn_rpc_in_flight);
+
+ /* wait till all-in-flight are replied, so executed by the target */
+ /* XXX: this is used by LFSCK at the moment, which doesn't require
+ * all the changes to be committed, but in general it'd be
+ * better to wait till commit */
+ while (d->opd_syn_rpc_in_flight > 0) {
+
+ old = d->opd_syn_rpc_in_flight;
+
+ expire = cfs_time_shift(obd_timeout);
+ lwi = LWI_TIMEOUT(expire - cfs_time_current(),
+ osp_sync_timeout, d);
+ l_wait_event(d->opd_syn_barrier_waitq,
+ d->opd_syn_rpc_in_flight == 0, &lwi);
+
+ if (d->opd_syn_rpc_in_flight == 0)
+ break;
+
+ if (d->opd_syn_rpc_in_flight != old) {
+ /* some progress have been made */
+ continue;
+ }
+
+ /* no changes and expired, something is wrong */
+ GOTO(out, rc = -ETIMEDOUT);
+ }
+
+ CDEBUG(D_OTHER, "%s: done in %lu\n", d->opd_obd->obd_name,
+ cfs_time_current() - start);
+out:
+ /* resume normal processing (barrier=0) */
+ atomic_dec(&d->opd_syn_barrier);
+ __osp_sync_check_for_work(d);
+
+ RETURN(rc);
}
const struct dt_device_operations osp_dt_ops = {
RETURN(rc);
}
-int osp_fid_alloc(struct obd_export *exp, struct lu_fid *fid,
- struct md_op_data *op_data)
+int osp_fid_alloc(const struct lu_env *env, struct obd_export *exp,
+ struct lu_fid *fid, struct md_op_data *op_data)
{
- struct client_obd *cli = &exp->exp_obd->u.cli;
- struct lu_client_seq *seq = cli->cl_seq;
-
+ struct client_obd *cli = &exp->exp_obd->u.cli;
+ struct osp_device *osp = lu2osp_dev(exp->exp_obd->obd_lu_dev);
+ struct lu_client_seq *seq = cli->cl_seq;
ENTRY;
- RETURN(seq_client_alloc_fid(NULL, seq, fid));
+
+ LASSERT(osp->opd_obd->u.cli.cl_seq != NULL);
+ /* Sigh, fid client is not ready yet */
+ if (osp->opd_obd->u.cli.cl_seq->lcs_exp == NULL)
+ RETURN(-ENOTCONN);
+
+ RETURN(seq_client_alloc_fid(env, seq, fid));
}
/* context key constructor/destructor: mdt_key_init, mdt_key_fini */
static int __init osp_mod_init(void)
{
- struct lprocfs_static_vars lvars;
struct obd_type *type;
- int rc;
+ int rc;
rc = lu_kmem_init(osp_caches);
if (rc)
return rc;
- lprocfs_osp_init_vars(&lvars);
rc = class_register_type(&osp_obd_device_ops, NULL, true, NULL,
#ifndef HAVE_ONLY_PROCFS_SEQ
- lvars.module_vars,
+ NULL,
#endif
LUSTRE_OSP_NAME, &osp_device_type);
-
- /* create "osc" entry in procfs for compatibility purposes */
if (rc != 0) {
lu_kmem_fini(osp_caches);
return rc;
}
- lprocfs_lwp_init_vars(&lvars);
-
rc = class_register_type(&lwp_obd_device_ops, NULL, true, NULL,
#ifndef HAVE_ONLY_PROCFS_SEQ
- lvars.module_vars,
+ NULL,
#endif
LUSTRE_LWP_NAME, &lwp_device_type);
if (rc != 0) {
return rc;
type = class_search_type(LUSTRE_OSP_NAME);
- type->typ_procsym = lprocfs_register("osc", proc_lustre_root,
- NULL, NULL);
- if (IS_ERR(type->typ_procsym))
+ type->typ_procsym = lprocfs_seq_register("osc", proc_lustre_root,
+ NULL, NULL);
+ if (IS_ERR(type->typ_procsym)) {
CERROR("osp: can't create compat entry \"osc\": %d\n",
(int) PTR_ERR(type->typ_procsym));
+ type->typ_procsym = NULL;
+ }
return rc;
}
static void __exit osp_mod_exit(void)
{
- lprocfs_try_remove_proc_entry("osc", proc_lustre_root);
-
class_unregister_type(LUSTRE_LWP_NAME);
class_unregister_type(LUSTRE_OSP_NAME);
lu_kmem_fini(osp_caches);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff