struct inode *search_inode_for_lustre(struct super_block *sb,
const struct lu_fid *fid)
{
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct ptlrpc_request *req = NULL;
struct inode *inode = NULL;
int eadatalen = 0;
unsigned long hash = cl_fid_build_ino(fid,
ll_need_32bit_api(sbi));
struct md_op_data *op_data;
int rc;
CDEBUG(D_INFO, "searching inode for:(%lu,"DFID")\n", hash, PFID(fid));
inode = ilookup5(sb, hash, ll_nfs_test_inode, (void *)fid);
if (inode)
return inode;
rc = ll_get_default_mdsize(sbi, &eadatalen);
if (rc)
return ERR_PTR(rc);
/* Because inode is NULL, ll_prep_md_op_data can not
* be used here. So we allocate op_data ourselves */
op_data = kzalloc(sizeof(*op_data), GFP_NOFS);
if (!op_data)
return ERR_PTR(-ENOMEM);
op_data->op_fid1 = *fid;
op_data->op_mode = eadatalen;
op_data->op_valid = OBD_MD_FLEASIZE;
/* mds_fid2dentry ignores f_type */
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
kfree(op_data);
if (rc) {
CERROR("can't get object attrs, fid "DFID", rc %d\n",
PFID(fid), rc);
return ERR_PTR(rc);
}
rc = ll_prep_inode(&inode, req, sb, NULL);
ptlrpc_req_finished(req);
if (rc)
return ERR_PTR(rc);
return inode;
}
int ll_revalidate_it_finish(struct ptlrpc_request *request,
struct lookup_intent *it,
struct dentry *de)
{
int rc = 0;
ENTRY;
if (!request)
RETURN(0);
if (it_disposition(it, DISP_LOOKUP_NEG))
RETURN(-ENOENT);
rc = ll_prep_inode(&de->d_inode, request, NULL);
RETURN(rc);
}
