* GPL HEADER END
*/
/*
- * Copyright (c) 2012 Intel, Inc.
+ * Copyright (c) 2012, 2013, Intel Corporation.
* Use is subject to license terms.
*
* Author: Johann Lombardi <johann.lombardi@intel.com>
qsd->qsd_is_md ? "md" : "dt", enabled,
qsd->qsd_exp_valid ? "setup" : "not setup yet");
- if (qsd->qsd_prepared)
+ if (qsd->qsd_prepared) {
+ memset(enabled, 0, sizeof(enabled));
+ if (qsd->qsd_type_array[USRQUOTA]->qqi_acct_obj != NULL)
+ strcat(enabled, "u");
+ if (qsd->qsd_type_array[GRPQUOTA]->qqi_acct_obj != NULL)
+ strcat(enabled, "g");
+ if (strlen(enabled) == 0)
+ strcat(enabled, "none");
rc += snprintf(page + rc, count - rc,
+ "space acct: %s\n"
"user uptodate: glb[%d],slv[%d],reint[%d]\n"
"group uptodate: glb[%d],slv[%d],reint[%d]\n",
+ enabled,
qsd->qsd_type_array[USRQUOTA]->qqi_glb_uptodate,
qsd->qsd_type_array[USRQUOTA]->qqi_slv_uptodate,
qsd->qsd_type_array[USRQUOTA]->qqi_reint,
qsd->qsd_type_array[GRPQUOTA]->qqi_glb_uptodate,
qsd->qsd_type_array[GRPQUOTA]->qqi_slv_uptodate,
qsd->qsd_type_array[GRPQUOTA]->qqi_reint);
+ }
return rc;
}
{
struct qsd_instance *qsd = (struct qsd_instance *)data;
char enabled[5];
+
LASSERT(qsd != NULL);
memset(enabled, 0, sizeof(enabled));
return snprintf(page, count, "%s\n", enabled);
}
+/* force reintegration procedure to be executed.
+ * Used for test/debugging purpose */
+static int lprocfs_qsd_wr_force_reint(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct qsd_instance *qsd = (struct qsd_instance *)data;
+ int rc = 0, qtype;
+
+ LASSERT(qsd != NULL);
+
+ write_lock(&qsd->qsd_lock);
+ if (qsd->qsd_stopping) {
+ /* don't mess up with shutdown procedure, it is already
+ * complicated enough */
+ rc = -ESHUTDOWN;
+ } else if (!qsd->qsd_prepared) {
+ rc = -EAGAIN;
+ } else {
+ /* mark all indexes as stale */
+ for (qtype = USRQUOTA; qtype < MAXQUOTAS; qtype++) {
+ qsd->qsd_type_array[qtype]->qqi_glb_uptodate = false;
+ qsd->qsd_type_array[qtype]->qqi_slv_uptodate = false;
+ }
+ }
+ write_unlock(&qsd->qsd_lock);
+
+ if (rc)
+ return rc;
+
+ /* kick off reintegration */
+ for (qtype = USRQUOTA; qtype < MAXQUOTAS; qtype++) {
+ rc = qsd_start_reint_thread(qsd->qsd_type_array[qtype]);
+ if (rc)
+ break;
+ }
+ return rc == 0 ? count : rc;
+}
+
+static int lprocfs_qsd_rd_timeout(char *page, char **start, off_t off,
+ int count, int *eof, void *data)
+{
+ struct qsd_instance *qsd = (struct qsd_instance *)data;
+ LASSERT(qsd != NULL);
+
+ return snprintf(page, count, "%d\n", qsd_wait_timeout(qsd));
+}
+
+static int lprocfs_qsd_wr_timeout(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct qsd_instance *qsd = (struct qsd_instance *)data;
+ int timeout, rc;
+ LASSERT(qsd != NULL);
+
+ rc = lprocfs_write_helper(buffer, count, &timeout);
+ if (rc)
+ return rc;
+ if (timeout < 0)
+ return -EINVAL;
+
+ qsd->qsd_timeout = timeout;
+ return count;
+}
+
static struct lprocfs_vars lprocfs_quota_qsd_vars[] = {
{ "info", lprocfs_qsd_rd_state, 0, 0},
{ "enabled", lprocfs_qsd_rd_enabled, 0, 0},
+ { "force_reint", 0, lprocfs_qsd_wr_force_reint, 0},
+ { "timeout", lprocfs_qsd_rd_timeout, lprocfs_qsd_wr_timeout, 0},
{ NULL }
};
/* qsd_exp should now be valid */
LASSERT(qsd->qsd_exp);
- /* grab reference on namespace */
- ldlm_namespace_get(class_exp2obd(qsd->qsd_exp)->obd_namespace);
qsd->qsd_ns = class_exp2obd(qsd->qsd_exp)->obd_namespace;
- cfs_write_lock(&qsd->qsd_lock);
+ write_lock(&qsd->qsd_lock);
/* notify that qsd_exp is now valid */
qsd->qsd_exp_valid = true;
- cfs_write_unlock(&qsd->qsd_lock);
+ write_unlock(&qsd->qsd_lock);
/* Now that the connection to master is setup, we can initiate the
* reintegration procedure for quota types which are enabled.
thread_set_flags(&qqi->qqi_reint_thread, SVC_STOPPED);
CFS_INIT_LIST_HEAD(&qqi->qqi_deferred_glb);
CFS_INIT_LIST_HEAD(&qqi->qqi_deferred_slv);
- memset(&qqi->qqi_lockh, 0, sizeof(qqi->qqi_lockh));
/* open accounting object */
LASSERT(qqi->qqi_acct_obj == NULL);
qqi->qqi_acct_obj = acct_obj_lookup(env, qsd->qsd_dev, qtype);
- if (qqi->qqi_acct_obj == NULL) {
- LCONSOLE_ERROR("%s: No %s space accounting support. Please use "
- "tunefs.lustre --quota option to enable quota "
- "accounting.\n",
- qsd->qsd_svname, QTYPE_NAME(qtype));
- GOTO(out, rc = -ENOENT);
+ if (IS_ERR(qqi->qqi_acct_obj)) {
+ CDEBUG(D_QUOTA, "%s: no %s space accounting support rc:%ld\n",
+ qsd->qsd_svname, QTYPE_NAME(qtype),
+ PTR_ERR(qqi->qqi_acct_obj));
+ qqi->qqi_acct_obj = NULL;
+ qsd->qsd_acct_failed = true;
}
/* open global index copy */
GOTO(out, rc = PTR_ERR(qqi->qqi_site));
}
- /* register proc entry for accounting object */
+ /* register proc entry for accounting & global index copy objects */
rc = lprocfs_seq_create(qsd->qsd_proc,
qtype == USRQUOTA ? "acct_user" : "acct_group",
0444, &lprocfs_quota_seq_fops,
qsd->qsd_svname, rc);
GOTO(out, rc);
}
+
+ rc = lprocfs_seq_create(qsd->qsd_proc,
+ qtype == USRQUOTA ? "limit_user" : "limit_group",
+ 0444, &lprocfs_quota_seq_fops,
+ qqi->qqi_glb_obj);
+ if (rc) {
+ CERROR("%s: can't add procfs entry for global index copy %d\n",
+ qsd->qsd_svname, rc);
+ GOTO(out, rc);
+ }
EXIT;
out:
if (rc)
int qtype;
ENTRY;
+ if (unlikely(qsd == NULL))
+ RETURN_EXIT;
+
CDEBUG(D_QUOTA, "%s: initiating QSD shutdown\n", qsd->qsd_svname);
- cfs_write_lock(&qsd->qsd_lock);
+ write_lock(&qsd->qsd_lock);
qsd->qsd_stopping = true;
- cfs_write_unlock(&qsd->qsd_lock);
-
- /* remove from the list of fsinfo */
- if (!cfs_list_empty(&qsd->qsd_link)) {
- LASSERT(qsd->qsd_fsinfo != NULL);
- cfs_down(&qsd->qsd_fsinfo->qfs_sem);
- cfs_list_del_init(&qsd->qsd_link);
- cfs_up(&qsd->qsd_fsinfo->qfs_sem);
- }
+ write_unlock(&qsd->qsd_lock);
/* remove qsd proc entry */
if (qsd->qsd_proc != NULL) {
qsd_stop_reint_thread(qsd->qsd_type_array[qtype]);
}
- /* release reference on namespace */
if (qsd->qsd_ns != NULL) {
- ldlm_namespace_put(qsd->qsd_ns);
qsd->qsd_ns = NULL;
}
/* deregister connection to the quota master */
qsd->qsd_exp_valid = false;
- lustre_deregister_osp_item(&qsd->qsd_exp);
+ lustre_deregister_lwp_item(&qsd->qsd_exp);
/* release per-filesystem information */
- if (qsd->qsd_fsinfo != NULL)
+ if (qsd->qsd_fsinfo != NULL) {
+ down(&qsd->qsd_fsinfo->qfs_sem);
+ /* remove from the list of fsinfo */
+ cfs_list_del_init(&qsd->qsd_link);
+ up(&qsd->qsd_fsinfo->qfs_sem);
qsd_put_fsinfo(qsd->qsd_fsinfo);
+ qsd->qsd_fsinfo = NULL;
+ }
/* release quota root directory */
if (qsd->qsd_root != NULL) {
{
struct qsd_thread_info *qti = qsd_info(env);
struct qsd_instance *qsd;
- int rc;
+ int rc, type, idx;
ENTRY;
+ /* only configure qsd for MDT & OST */
+ type = server_name2index(svname, &idx, NULL);
+ if (type != LDD_F_SV_TYPE_MDT && type != LDD_F_SV_TYPE_OST)
+ RETURN(NULL);
+
/* allocate qsd instance */
OBD_ALLOC_PTR(qsd);
if (qsd == NULL)
RETURN(ERR_PTR(-ENOMEM));
/* generic initializations */
- cfs_rwlock_init(&qsd->qsd_lock);
+ rwlock_init(&qsd->qsd_lock);
CFS_INIT_LIST_HEAD(&qsd->qsd_link);
thread_set_flags(&qsd->qsd_upd_thread, SVC_STOPPED);
cfs_waitq_init(&qsd->qsd_upd_thread.t_ctl_waitq);
CFS_INIT_LIST_HEAD(&qsd->qsd_upd_list);
- cfs_spin_lock_init(&qsd->qsd_adjust_lock);
+ spin_lock_init(&qsd->qsd_adjust_lock);
CFS_INIT_LIST_HEAD(&qsd->qsd_adjust_list);
qsd->qsd_prepared = false;
qsd->qsd_started = false;
/* copy service name */
- strncpy(qsd->qsd_svname, svname, MAX_OBD_NAME);
+ if (strlcpy(qsd->qsd_svname, svname, sizeof(qsd->qsd_svname))
+ >= sizeof(qsd->qsd_svname))
+ GOTO(out, rc = -E2BIG);
/* grab reference on osd device */
lu_device_get(&dev->dd_lu_dev);
}
/* add in the list of lquota_fsinfo */
- cfs_down(&qsd->qsd_fsinfo->qfs_sem);
+ down(&qsd->qsd_fsinfo->qfs_sem);
list_add_tail(&qsd->qsd_link, &qsd->qsd_fsinfo->qfs_qsd_list);
- cfs_up(&qsd->qsd_fsinfo->qfs_sem);
+ up(&qsd->qsd_fsinfo->qfs_sem);
/* register procfs directory */
qsd->qsd_proc = lprocfs_register(QSD_DIR, osd_proc,
int qtype, rc = 0;
ENTRY;
- LASSERT(qsd != NULL);
+ if (unlikely(qsd == NULL))
+ RETURN(0);
- cfs_read_lock(&qsd->qsd_lock);
+ read_lock(&qsd->qsd_lock);
if (qsd->qsd_prepared) {
CERROR("%s: qsd instance already prepared\n", qsd->qsd_svname);
rc = -EALREADY;
}
- cfs_read_unlock(&qsd->qsd_lock);
+ read_unlock(&qsd->qsd_lock);
if (rc)
RETURN(rc);
}
/* pools successfully setup, mark the qsd as prepared */
- cfs_write_lock(&qsd->qsd_lock);
+ write_lock(&qsd->qsd_lock);
qsd->qsd_prepared = true;
- cfs_write_unlock(&qsd->qsd_lock);
+ write_unlock(&qsd->qsd_lock);
/* start reintegration thread for each type, if required */
for (qtype = USRQUOTA; qtype < MAXQUOTAS; qtype++) {
struct qsd_qtype_info *qqi = qsd->qsd_type_array[qtype];
+ if (qsd_type_enabled(qsd, qtype) && qsd->qsd_acct_failed) {
+ LCONSOLE_ERROR("%s: can't enable quota enforcement "
+ "since space accounting isn't functional"
+ ". Please run tunefs.lustre --quota on "
+ "an unmounted filesystem if not done "
+ "already\n", qsd->qsd_svname);
+ break;
+ }
+
rc = qsd_start_reint_thread(qqi);
if (rc) {
CERROR("%s: failed to start reint thread for type %s "
}
/* generate osp name */
- rc = tgt_name2ospname((char *)qsd->qsd_svname, qti->qti_buf);
+ rc = tgt_name2lwpname((char *)qsd->qsd_svname, qti->qti_buf);
if (rc) {
CERROR("%s: failed to generate ospname (%d)\n",
qsd->qsd_svname, rc);
/* the connection callback will start the reintegration
* procedure if quota is enabled */
- rc = lustre_register_osp_item(qti->qti_buf, &qsd->qsd_exp,
+ rc = lustre_register_lwp_item(qti->qti_buf, &qsd->qsd_exp,
qsd_conn_callback, (void *)qsd);
if (rc) {
CERROR("%s: fail to get connection to master (%d)\n",
int type, rc = 0;
ENTRY;
- cfs_write_lock(&qsd->qsd_lock);
+ if (unlikely(qsd == NULL))
+ RETURN(0);
+
+ write_lock(&qsd->qsd_lock);
if (!qsd->qsd_prepared) {
- CERROR("%s: can't start qsd instance since it was properly "
+ CERROR("%s: can't start qsd instance since it wasn't properly "
"initialized\n", qsd->qsd_svname);
rc = -EFAULT;
} else if (qsd->qsd_started) {
/* notify that the qsd_instance is now started */
qsd->qsd_started = true;
}
- cfs_write_unlock(&qsd->qsd_lock);
+ write_unlock(&qsd->qsd_lock);
if (rc)
RETURN(rc);