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-rw-r--r--block/iscsi.c55
1 files changed, 32 insertions, 23 deletions
diff --git a/block/iscsi.c b/block/iscsi.c
index bb9cf82459..219f927823 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -76,10 +76,6 @@ static void
iscsi_abort_task_cb(struct iscsi_context *iscsi, int status, void *command_data,
void *private_data)
{
- IscsiAIOCB *acb = (IscsiAIOCB *)private_data;
-
- scsi_free_scsi_task(acb->task);
- acb->task = NULL;
}
static void
@@ -88,15 +84,15 @@ iscsi_aio_cancel(BlockDriverAIOCB *blockacb)
IscsiAIOCB *acb = (IscsiAIOCB *)blockacb;
IscsiLun *iscsilun = acb->iscsilun;
- acb->canceled = 1;
-
acb->common.cb(acb->common.opaque, -ECANCELED);
+ acb->canceled = 1;
- /* send a task mgmt call to the target to cancel the task on the target
- * this also cancels the task in libiscsi
- */
+ /* send a task mgmt call to the target to cancel the task on the target */
iscsi_task_mgmt_abort_task_async(iscsilun->iscsi, acb->task,
- iscsi_abort_task_cb, &acb);
+ iscsi_abort_task_cb, NULL);
+
+ /* then also cancel the task locally in libiscsi */
+ iscsi_scsi_task_cancel(iscsilun->iscsi, acb->task);
}
static AIOPool iscsi_aio_pool = {
@@ -183,18 +179,11 @@ iscsi_readv_writev_bh_cb(void *p)
qemu_bh_delete(acb->bh);
- if (!acb->canceled) {
+ if (acb->canceled == 0) {
acb->common.cb(acb->common.opaque, acb->status);
}
qemu_aio_release(acb);
-
- if (acb->canceled) {
- return;
- }
-
- scsi_free_scsi_task(acb->task);
- acb->task = NULL;
}
@@ -208,8 +197,10 @@ iscsi_aio_write16_cb(struct iscsi_context *iscsi, int status,
g_free(acb->buf);
- if (acb->canceled) {
+ if (acb->canceled != 0) {
qemu_aio_release(acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
return;
}
@@ -221,6 +212,8 @@ iscsi_aio_write16_cb(struct iscsi_context *iscsi, int status,
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
}
static int64_t sector_qemu2lun(int64_t sector, IscsiLun *iscsilun)
@@ -305,8 +298,10 @@ iscsi_aio_read16_cb(struct iscsi_context *iscsi, int status,
trace_iscsi_aio_read16_cb(iscsi, status, acb, acb->canceled);
- if (acb->canceled) {
+ if (acb->canceled != 0) {
qemu_aio_release(acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
return;
}
@@ -318,6 +313,8 @@ iscsi_aio_read16_cb(struct iscsi_context *iscsi, int status,
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
}
static BlockDriverAIOCB *
@@ -417,8 +414,10 @@ iscsi_synccache10_cb(struct iscsi_context *iscsi, int status,
{
IscsiAIOCB *acb = opaque;
- if (acb->canceled) {
+ if (acb->canceled != 0) {
qemu_aio_release(acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
return;
}
@@ -430,6 +429,8 @@ iscsi_synccache10_cb(struct iscsi_context *iscsi, int status,
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
}
static BlockDriverAIOCB *
@@ -467,8 +468,10 @@ iscsi_unmap_cb(struct iscsi_context *iscsi, int status,
{
IscsiAIOCB *acb = opaque;
- if (acb->canceled) {
+ if (acb->canceled != 0) {
qemu_aio_release(acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
return;
}
@@ -480,6 +483,8 @@ iscsi_unmap_cb(struct iscsi_context *iscsi, int status,
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
}
static BlockDriverAIOCB *
@@ -523,8 +528,10 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
{
IscsiAIOCB *acb = opaque;
- if (acb->canceled) {
+ if (acb->canceled != 0) {
qemu_aio_release(acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
return;
}
@@ -553,6 +560,8 @@ iscsi_aio_ioctl_cb(struct iscsi_context *iscsi, int status,
}
iscsi_schedule_bh(iscsi_readv_writev_bh_cb, acb);
+ scsi_free_scsi_task(acb->task);
+ acb->task = NULL;
}
static BlockDriverAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,