static int mds_quota_setup(struct obd_device *obd)
{
struct obd_device_target *obt = &obd->u.obt;
struct mds_obd *mds = &obd->u.mds;
int rc;
ENTRY;
if (unlikely(mds->mds_quota)) {
CWARN("try to reinitialize quota context!\n");
RETURN(0);
}
cfs_init_rwsem(&obt->obt_rwsem);
obt->obt_qfmt = LUSTRE_QUOTA_V2;
mds->mds_quota_info.qi_version = LUSTRE_QUOTA_V2;
cfs_sema_init(&obt->obt_quotachecking, 1);
/* initialize quota master and quota context */
cfs_init_rwsem(&mds->mds_qonoff_sem);
rc = qctxt_init(obd, dqacq_handler);
if (rc) {
CERROR("%s: initialize quota context failed! (rc:%d)\n",
obd->obd_name, rc);
RETURN(rc);
}
mds->mds_quota = 1;
RETURN(rc);
}
static int filter_quota_setup(struct obd_device *obd)
{
int rc = 0;
struct obd_device_target *obt = &obd->u.obt;
ENTRY;
cfs_init_rwsem(&obt->obt_rwsem);
obt->obt_qfmt = LUSTRE_QUOTA_V2;
cfs_sema_init(&obt->obt_quotachecking, 1);
rc = qctxt_init(obd, NULL);
if (rc)
CERROR("initialize quota context failed! (rc:%d)\n", rc);
RETURN(rc);
}
/*
* directory structure on legacy OST:
*
* O/<seq>/d0-31/<objid>
* O/<seq>/LAST_ID
* last_rcvd
* LAST_GROUP
* CONFIGS
*
*/
int osd_compat_init(struct osd_device *dev)
{
struct lvfs_run_ctxt new;
struct lvfs_run_ctxt save;
struct dentry *rootd = osd_sb(dev)->s_root;
struct dentry *d;
int rc;
int i;
ENTRY;
/* to get subdir count from last_rcvd */
rc = osd_last_rcvd_subdir_count(dev);
if (rc <= 0)
RETURN(rc);
dev->od_ost_map->subdir_count = rc;
rc = 0;
OBD_ALLOC_PTR(dev->od_ost_map);
if (dev->od_ost_map == NULL)
RETURN(-ENOMEM);
LASSERT(dev->od_fsops);
osd_push_ctxt(dev, &new, &save);
d = simple_mkdir(rootd, dev->od_mnt, "O", 0755, 1);
pop_ctxt(&save, &new, NULL);
if (IS_ERR(d)) {
OBD_FREE_PTR(dev->od_ost_map);
RETURN(PTR_ERR(d));
}
dev->od_ost_map->root = d;
/* Initialize all groups */
for (i = 0; i < MAX_OBJID_GROUP; i++) {
cfs_sema_init(&dev->od_ost_map->groups[i].dir_init_sem, 1);
rc = osd_compat_seq_init(dev, i);
if (rc) {
osd_compat_fini(dev);
break;
}
}
RETURN(rc);
}
