if (lod_obj == NULL)
RETURN(ERR_PTR(-ENOMEM));
+ mutex_init(&lod_obj->ldo_layout_mutex);
lu_obj = lod2lu_obj(lod_obj);
dt_object_init(&lod_obj->ldo_obj, NULL, dev);
lod_obj->ldo_obj.do_ops = &lod_obj_ops;
case LCFG_PARAM: {
struct obd_device *obd;
+ ssize_t count;
char *param;
/* Check if it is activate/deactivate mdc
}
- obd = lod2obd(lod);
if (strstr(param, PARAM_LOD) != NULL)
- rc = class_process_proc_param(PARAM_LOD, obd->obd_vars,
- lcfg, obd);
+ count = class_modify_config(lcfg, PARAM_LOD,
+ &lod->lod_dt_dev.dd_kobj);
else
- rc = class_process_proc_param(PARAM_LOV, obd->obd_vars,
- lcfg, obd);
- if (rc > 0)
- rc = 0;
-
+ count = class_modify_config(lcfg, PARAM_LOV,
+ &lod->lod_dt_dev.dd_kobj);
+ rc = count > 0 ? 0 : count;
GOTO(out, rc);
}
case LCFG_PRE_CLEANUP: {
return dt_root_get(env, dt2lod_dev(dev)->lod_child, f);
}
+static void lod_statfs_sum(struct obd_statfs *sfs,
+ struct obd_statfs *ost_sfs, int *bs)
+{
+ while (ost_sfs->os_bsize < *bs) {
+ *bs >>= 1;
+ sfs->os_bsize >>= 1;
+ sfs->os_bavail <<= 1;
+ sfs->os_blocks <<= 1;
+ sfs->os_bfree <<= 1;
+ sfs->os_granted <<= 1;
+ }
+ while (ost_sfs->os_bsize > *bs) {
+ ost_sfs->os_bsize >>= 1;
+ ost_sfs->os_bavail <<= 1;
+ ost_sfs->os_blocks <<= 1;
+ ost_sfs->os_bfree <<= 1;
+ ost_sfs->os_granted <<= 1;
+ }
+ sfs->os_bavail += ost_sfs->os_bavail;
+ sfs->os_blocks += ost_sfs->os_blocks;
+ sfs->os_bfree += ost_sfs->os_bfree;
+ sfs->os_granted += ost_sfs->os_granted;
+}
+
/**
* Implementation of dt_device_operations::dt_statfs() for LOD
*
static int lod_statfs(const struct lu_env *env,
struct dt_device *dev, struct obd_statfs *sfs)
{
- return dt_statfs(env, dt2lod_dev(dev)->lod_child, sfs);
+ struct lod_device *lod = dt2lod_dev(dev);
+ struct lod_ost_desc *ost;
+ struct lod_mdt_desc *mdt;
+ struct obd_statfs ost_sfs;
+ int i, rc, bs;
+ bool mdtonly;
+
+ rc = dt_statfs(env, dt2lod_dev(dev)->lod_child, sfs);
+ if (rc)
+ GOTO(out, rc);
+
+ bs = sfs->os_bsize;
+
+ sfs->os_bavail = 0;
+ sfs->os_blocks = 0;
+ sfs->os_bfree = 0;
+ sfs->os_granted = 0;
+
+ lod_getref(&lod->lod_mdt_descs);
+ lod_foreach_mdt(lod, i) {
+ mdt = MDT_TGT(lod, i);
+ LASSERT(mdt && mdt->ltd_mdt);
+ rc = dt_statfs(env, mdt->ltd_mdt, &ost_sfs);
+ /* ignore errors */
+ if (rc)
+ continue;
+ sfs->os_files += ost_sfs.os_files;
+ sfs->os_ffree += ost_sfs.os_ffree;
+ lod_statfs_sum(sfs, &ost_sfs, &bs);
+ }
+ lod_putref(lod, &lod->lod_mdt_descs);
+
+ /* at some point we can check whether DoM is enabled and
+ * decide how to account MDT space. for simplicity let's
+ * just fallback to pre-DoM policy if any OST is alive */
+ mdtonly = true;
+
+ lod_getref(&lod->lod_ost_descs);
+ lod_foreach_ost(lod, i) {
+ ost = OST_TGT(lod, i);
+ LASSERT(ost && ost->ltd_ost);
+ rc = dt_statfs(env, ost->ltd_ost, &ost_sfs);
+ /* ignore errors */
+ if (rc || ost_sfs.os_bsize == 0)
+ continue;
+ if (mdtonly) {
+ /* if only MDTs and DoM report MDT space,
+ * otherwise only OST space */
+ sfs->os_bavail = 0;
+ sfs->os_blocks = 0;
+ sfs->os_bfree = 0;
+ sfs->os_granted = 0;
+ mdtonly = false;
+ }
+ ost_sfs.os_bavail += ost_sfs.os_granted;
+ lod_statfs_sum(sfs, &ost_sfs, &bs);
+ LASSERTF(bs == ost_sfs.os_bsize, "%d != %d\n",
+ (int)sfs->os_bsize, (int)ost_sfs.os_bsize);
+ }
+ lod_putref(lod, &lod->lod_ost_descs);
+ sfs->os_state |= OS_STATE_SUM;
+
+ /* a single successful statfs should be enough */
+ rc = 0;
+
+out:
+ RETURN(rc);
}
/**
lod_foreach_ost(lod, i) {
ost = OST_TGT(lod, i);
LASSERT(ost && ost->ltd_ost);
+ if (!ost->ltd_active)
+ continue;
rc = dt_sync(env, ost->ltd_ost);
if (rc) {
- CERROR("%s: can't sync ost %u: %d\n",
- lod2obd(lod)->obd_name, i, rc);
- break;
+ if (rc != -ENOTCONN) {
+ CERROR("%s: can't sync ost %u: %d\n",
+ lod2obd(lod)->obd_name, i, rc);
+ break;
+ }
+ rc = 0;
}
}
lod_putref(lod, &lod->lod_ost_descs);
lod_foreach_mdt(lod, i) {
mdt = MDT_TGT(lod, i);
LASSERT(mdt && mdt->ltd_mdt);
+ if (!mdt->ltd_active)
+ continue;
rc = dt_sync(env, mdt->ltd_mdt);
if (rc) {
- CERROR("%s: can't sync mdt %u: %d\n",
- lod2obd(lod)->obd_name, i, rc);
- break;
+ if (rc != -ENOTCONN) {
+ CERROR("%s: can't sync mdt %u: %d\n",
+ lod2obd(lod)->obd_name, i, rc);
+ break;
+ }
+ rc = 0;
}
}
lod_putref(lod, &lod->lod_mdt_descs);
struct lod_thread_info *info = data;
struct lod_layout_component *lds =
info->lti_def_striping.lds_def_comp_entries;
- struct ost_pool *inuse = &info->lti_inuse_osts;
/* allocated in lod_get_lov_ea
* XXX: this is overload, a tread may have such store but used only
if (lds != NULL)
lod_free_def_comp_entries(&info->lti_def_striping);
- if (inuse->op_size)
- OBD_FREE(inuse->op_array, inuse->op_size);
-
if (info->lti_comp_size > 0)
OBD_FREE(info->lti_comp_idx,
info->lti_comp_size * sizeof(__u32));
if (no_set) {
- rc2 = ptlrpc_set_wait(set);
+ rc2 = ptlrpc_set_wait(env, set);
if (rc2 == 0 && rc == 0)
rc = rc2;
ptlrpc_set_destroy(set);