block/iscsi: cancel libiscsi task when ABORT TASK TMF completes

[mirror_qemu.git] / block / iscsi.c

diff --git a/block/iscsi.c b/block/iscsi.c
index abb872d3d9a2dccdd429bb9d7f79a5a8da5072e4..a7e8c1ffafab8e319504f35f5bfbb059dde69663 100644 (file)
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -295,8 +295,12 @@ iscsi_abort_task_cb(struct iscsi_context *iscsi, int status, void *command_data,
 {
     IscsiAIOCB *acb = private_data;
 
-    acb->status = -ECANCELED;
-    iscsi_schedule_bh(acb);
+    /* If the command callback hasn't been called yet, drop the task */
+    if (!acb->bh) {
+        /* Call iscsi_aio_ioctl_cb() with SCSI_STATUS_CANCELLED */
+        iscsi_scsi_cancel_task(iscsi, acb->task);
+    }
+
     qemu_aio_unref(acb); /* acquired in iscsi_aio_cancel() */
 }
 
@@ -947,6 +951,14 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
 {
     IscsiAIOCB *acb = opaque;
 
+    if (status == SCSI_STATUS_CANCELLED) {
+        if (!acb->bh) {
+            acb->status = -ECANCELED;
+            iscsi_schedule_bh(acb);
+        }
+        return;
+    }
+
     acb->status = 0;
     if (status < 0) {
         error_report("Failed to ioctl(SG_IO) to iSCSI lun. %s",