int mds_log_op_unlink(struct obd_device *obd,
struct lov_mds_md *lmm, int lmm_size,
struct llog_cookie *logcookies, int cookies_size)
{
struct mds_obd *mds = &obd->u.mds;
struct lov_stripe_md *lsm = NULL;
int rc;
ENTRY;
if (IS_ERR(mds->mds_lov_obd))
RETURN(PTR_ERR(mds->mds_lov_obd));
rc = obd_unpackmd(mds->mds_lov_exp, &lsm, lmm, lmm_size);
if (rc < 0)
RETURN(rc);
rc = mds_llog_add_unlink(obd, lsm, 0, logcookies,
cookies_size / sizeof(struct llog_cookie));
obd_free_memmd(mds->mds_lov_exp, &lsm);
RETURN(rc);
}
int llu_objects_destroy(struct ptlrpc_request *req, struct inode *dir)
{
struct mdt_body *body;
struct lov_mds_md *eadata;
struct lov_stripe_md *lsm = NULL;
struct obd_trans_info oti = { 0 };
struct obdo *oa;
int rc;
ENTRY;
body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY);
if (!(body->valid & OBD_MD_FLEASIZE))
RETURN(0);
if (body->eadatasize == 0) {
CERROR("OBD_MD_FLEASIZE set but eadatasize zero\n");
GOTO(out, rc = -EPROTO);
}
/* The MDS sent back the EA because we unlinked the last reference
* to this file. Use this EA to unlink the objects on the OST.
* It's opaque so we don't swab here; we leave it to obd_unpackmd() to
* check it is complete and sensible. */
eadata = req_capsule_server_sized_get(&req->rq_pill, &RMF_MDT_MD,
body->eadatasize);
LASSERT(eadata != NULL);
rc = obd_unpackmd(llu_i2obdexp(dir), &lsm, eadata,body->eadatasize);
if (rc < 0) {
CERROR("obd_unpackmd: %d\n", rc);
GOTO(out, rc);
}
LASSERT(rc >= sizeof(*lsm));
OBDO_ALLOC(oa);
if (oa == NULL)
GOTO(out_free_memmd, rc = -ENOMEM);
oa->o_id = lsm->lsm_object_id;
oa->o_seq = lsm->lsm_object_seq;
oa->o_mode = body->mode & S_IFMT;
oa->o_valid = OBD_MD_FLID | OBD_MD_FLTYPE | OBD_MD_FLGROUP;
obdo_from_inode(oa, NULL, &llu_i2info(dir)->lli_fid, 0);
if (body->valid & OBD_MD_FLCOOKIE) {
oa->o_valid |= OBD_MD_FLCOOKIE;
oti.oti_logcookies =
req_capsule_server_sized_get(&req->rq_pill,
&RMF_LOGCOOKIES,
sizeof(struct llog_cookie) *
lsm->lsm_stripe_count);
if (oti.oti_logcookies == NULL) {
oa->o_valid &= ~OBD_MD_FLCOOKIE;
body->valid &= ~OBD_MD_FLCOOKIE;
}
}
rc = obd_destroy(llu_i2obdexp(dir), oa, lsm, &oti, NULL, NULL);
OBDO_FREE(oa);
if (rc)
CERROR("obd destroy objid 0x"LPX64" error %d\n",
lsm->lsm_object_id, rc);
out_free_memmd:
obd_free_memmd(llu_i2obdexp(dir), &lsm);
out:
return rc;
}
