int __llog_ctxt_put(const struct lu_env *env, struct llog_ctxt *ctxt)
{
struct obd_llog_group *olg = ctxt->loc_olg;
struct obd_device *obd;
int rc = 0;
spin_lock(&olg->olg_lock);
if (!atomic_dec_and_test(&ctxt->loc_refcount)) {
spin_unlock(&olg->olg_lock);
return rc;
}
olg->olg_ctxts[ctxt->loc_idx] = NULL;
spin_unlock(&olg->olg_lock);
obd = ctxt->loc_obd;
spin_lock(&obd->obd_dev_lock);
/* sync with llog ctxt user thread */
spin_unlock(&obd->obd_dev_lock);
/* obd->obd_starting is needed for the case of cleanup
* in error case while obd is starting up. */
LASSERTF(obd->obd_starting == 1 ||
obd->obd_stopping == 1 || obd->obd_set_up == 0,
"wrong obd state: %d/%d/%d\n", !!obd->obd_starting,
!!obd->obd_stopping, !!obd->obd_set_up);
/* cleanup the llog ctxt here */
if (CTXTP(ctxt, cleanup))
rc = CTXTP(ctxt, cleanup)(env, ctxt);
llog_ctxt_destroy(ctxt);
wake_up(&olg->olg_waitq);
return rc;
}
int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp, int flags)
{
int rc = 0;
if (!ctxt)
return 0;
if (CTXTP(ctxt, sync))
rc = CTXTP(ctxt, sync)(ctxt, exp, flags);
return rc;
}
int llog_sync(struct llog_ctxt *ctxt, struct obd_export *exp, int flags)
{
int rc = 0;
ENTRY;
if (!ctxt)
RETURN(0);
if (CTXTP(ctxt, sync))
rc = CTXTP(ctxt, sync)(ctxt, exp, flags);
RETURN(rc);
}
int llog_obd_add(const struct lu_env *env, struct llog_ctxt *ctxt,
struct llog_rec_hdr *rec, struct lov_stripe_md *lsm,
struct llog_cookie *logcookies, int numcookies)
{
int raised, rc;
ENTRY;
if (!ctxt) {
CERROR("No ctxt\n");
RETURN(-ENODEV);
}
if (ctxt->loc_flags & LLOG_CTXT_FLAG_UNINITIALIZED)
RETURN(-ENXIO);
CTXT_CHECK_OP(ctxt, obd_add, -EOPNOTSUPP);
raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE);
if (!raised)
cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
rc = CTXTP(ctxt, obd_add)(env, ctxt, rec, lsm, logcookies,
numcookies);
if (!raised)
cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
RETURN(rc);
}
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
struct lov_stripe_md *lsm, int count,
struct llog_cookie *cookies, int flags)
{
int rc;
if (!ctxt) {
CERROR("No ctxt\n");
return -ENODEV;
}
CTXT_CHECK_OP(ctxt, cancel, -EOPNOTSUPP);
rc = CTXTP(ctxt, cancel)(env, ctxt, lsm, count, cookies, flags);
return rc;
}
int llog_cancel(const struct lu_env *env, struct llog_ctxt *ctxt,
struct llog_cookie *cookies, int flags)
{
int rc;
ENTRY;
if (!ctxt) {
CERROR("No ctxt\n");
RETURN(-ENODEV);
}
CTXT_CHECK_OP(ctxt, cancel, -EOPNOTSUPP);
rc = CTXTP(ctxt, cancel)(env, ctxt, cookies, flags);
RETURN(rc);
}
