C++ (Cpp) iscsi_aio_discard_acb Exemples

Exemple #1

Fichier : iscsi.c Projet : JaonLin/hypershell

static void
iscsi_unmap_cb(struct iscsi_context *iscsi, int status,
                     void *command_data, void *opaque)
{
    IscsiAIOCB *acb = opaque;

    if (acb->canceled != 0) {
        return;
    }

    acb->status = 0;
    if (status != 0) {
        if (status == SCSI_STATUS_CHECK_CONDITION
            && acb->task->sense.key == SCSI_SENSE_UNIT_ATTENTION
            && acb->retries-- > 0) {
            scsi_free_scsi_task(acb->task);
            acb->task = NULL;
            if (iscsi_aio_discard_acb(acb) == 0) {
                iscsi_set_events(acb->iscsilun);
                return;
            }
        }
        error_report("Failed to unmap data on iSCSI lun. %s",
                     iscsi_get_error(iscsi));
        acb->status = -EIO;
    }

    iscsi_schedule_bh(acb);
}

Exemple #2

Fichier : iscsi.c Projet : nvgreensocs/qemu-virtio

static BlockDriverAIOCB *
iscsi_aio_discard(BlockDriverState *bs,
                  int64_t sector_num, int nb_sectors,
                  BlockDriverCompletionFunc *cb, void *opaque)
{
    IscsiLun *iscsilun = bs->opaque;
    IscsiAIOCB *acb;

    acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque);

    acb->iscsilun    = iscsilun;
    acb->nb_sectors  = nb_sectors;
    acb->sector_num  = sector_num;
    acb->retries     = ISCSI_CMD_RETRIES;

    if (iscsi_aio_discard_acb(acb) != 0) {
        if (acb->task) {
            scsi_free_scsi_task(acb->task);
        }
        qemu_aio_release(acb);
        return NULL;
    }

    iscsi_set_events(iscsilun);

    return &acb->common;
}