int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data,
void *lmm, int lmmsize, struct lookup_intent *it,
int flags, struct ptlrpc_request **reqp,
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
struct obd_device *obd = exp->exp_obd;
int rc;
LASSERT(it != NULL);
LASSERT(fid_is_sane(&op_data->op_fid1));
CDEBUG(D_INODE, "INTENT LOCK '%s' for '%*s' on "DFID"\n",
LL_IT2STR(it), op_data->op_namelen, op_data->op_name,
PFID(&op_data->op_fid1));
rc = lmv_check_connect(obd);
if (rc)
return rc;
if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_LAYOUT))
rc = lmv_intent_lookup(exp, op_data, lmm, lmmsize, it,
flags, reqp, cb_blocking,
extra_lock_flags);
else if (it->it_op & IT_OPEN)
rc = lmv_intent_open(exp, op_data, lmm, lmmsize, it,
flags, reqp, cb_blocking,
extra_lock_flags);
else
LBUG();
return rc;
}
int lmv_intent_lock(struct obd_export *exp, struct md_op_data *op_data,
struct lookup_intent *it, struct ptlrpc_request **reqp,
ldlm_blocking_callback cb_blocking,
__u64 extra_lock_flags)
{
struct obd_device *obd = exp->exp_obd;
int rc;
ENTRY;
LASSERT(it != NULL);
LASSERT(fid_is_sane(&op_data->op_fid1));
CDEBUG(D_INODE, "INTENT LOCK '%s' for "DFID" '%.*s' on "DFID"\n",
LL_IT2STR(it), PFID(&op_data->op_fid2),
(int)op_data->op_namelen, op_data->op_name,
PFID(&op_data->op_fid1));
rc = lmv_check_connect(obd);
if (rc)
RETURN(rc);
if (it->it_op & (IT_LOOKUP | IT_GETATTR | IT_LAYOUT))
rc = lmv_intent_lookup(exp, op_data, it, reqp, cb_blocking,
extra_lock_flags);
else if (it->it_op & IT_OPEN)
rc = lmv_intent_open(exp, op_data, it, reqp, cb_blocking,
extra_lock_flags);
else
LBUG();
if (rc < 0) {
struct lustre_handle lock_handle;
if (it->d.lustre.it_lock_mode != 0) {
lock_handle.cookie = it->d.lustre.it_lock_handle;
ldlm_lock_decref(&lock_handle,
it->d.lustre.it_lock_mode);
}
it->d.lustre.it_lock_handle = 0;
it->d.lustre.it_lock_mode = 0;
if (it->d.lustre.it_remote_lock_mode != 0) {
lock_handle.cookie = it->d.lustre.it_remote_lock_handle;
ldlm_lock_decref(&lock_handle,
it->d.lustre.it_remote_lock_mode);
}
it->d.lustre.it_remote_lock_handle = 0;
it->d.lustre.it_remote_lock_mode = 0;
}
RETURN(rc);
}