/**
* Open an OI(Ojbect Index) container.
*
* \param name Name of OI container
* \param objp Pointer of returned OI
*
* \retval 0 success
* \retval -ve failure
*/
static int osd_oi_open(struct osd_thread_info *info, struct osd_device *osd,
char *name, struct osd_oi **oi_slot, bool create)
{
struct osd_directory *dir;
struct iam_container *bag;
struct inode *inode;
struct osd_oi *oi;
int rc;
ENTRY;
oi_feat.dif_keysize_min = sizeof(struct lu_fid);
oi_feat.dif_keysize_max = sizeof(struct lu_fid);
inode = osd_oi_index_open(info, osd, name, &oi_feat, create);
if (IS_ERR(inode))
RETURN(PTR_ERR(inode));
ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NO_OI);
/* 'What the @fid is' is not imporatant, because these objects
* have no OI mappings, and only are visible inside the OSD.*/
lu_igif_build(&info->oti_fid, inode->i_ino, inode->i_generation);
rc = osd_ea_fid_set(info, inode, &info->oti_fid, LMAC_NOT_IN_OI, 0);
if (rc != 0)
GOTO(out_inode, rc);
OBD_ALLOC_PTR(oi);
if (oi == NULL)
GOTO(out_inode, rc = -ENOMEM);
oi->oi_inode = inode;
dir = &oi->oi_dir;
bag = &dir->od_container;
rc = iam_container_init(bag, &dir->od_descr, inode);
if (rc < 0)
GOTO(out_free, rc);
rc = iam_container_setup(bag);
if (rc < 0)
GOTO(out_container, rc);
*oi_slot = oi;
RETURN(0);
out_container:
iam_container_fini(bag);
out_free:
OBD_FREE_PTR(oi);
out_inode:
iput(inode);
return rc;
}
static void osd_oi_table_put(struct osd_thread_info *info,
struct osd_oi **oi_table, unsigned oi_count)
{
struct iam_container *bag;
int i;
for (i = 0; i < oi_count; i++) {
if (oi_table[i] == NULL)
continue;
LASSERT(oi_table[i]->oi_inode != NULL);
bag = &(oi_table[i]->oi_dir.od_container);
if (bag->ic_object == oi_table[i]->oi_inode)
iam_container_fini(bag);
iput(oi_table[i]->oi_inode);
oi_table[i]->oi_inode = NULL;
OBD_FREE_PTR(oi_table[i]);
oi_table[i] = NULL;
}
}