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iscsi: Create AIO BH in original AioContext

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AIO callbacks must be called in the original request’s AioContext,
regardless of the BDS’s “main” AioContext.

Signed-off-by: Hanna Czenczek <hreitz@redhat.com>
Message-ID: <20251110154854.151484-18-hreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Hanna Czenczek
2025-11-10 16:48:52 +01:00
committed by Kevin Wolf
parent d45b2c65f2
commit 63d15c7aa5
1 changed files with 4 additions and 3 deletions
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7
block/iscsi.c
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@@ -119,6 +119,7 @@ typedef struct IscsiTask {
typedef struct IscsiAIOCB {
BlockAIOCB common;
AioContext *ctx;
QEMUBH *bh;
IscsiLun *iscsilun;
struct scsi_task *task;
@@ -173,7 +174,7 @@ iscsi_schedule_bh(IscsiAIOCB *acb)
if (acb->bh) {
return;
}
acb->bh = aio_bh_new(acb->iscsilun->aio_context, iscsi_bh_cb, acb);
acb->bh = aio_bh_new(acb->ctx, iscsi_bh_cb, acb);
qemu_bh_schedule(acb->bh);
}
@@ -1012,8 +1013,7 @@ static void iscsi_ioctl_handle_emulated(IscsiAIOCB *acb, int req, void *buf)
ret = -EINVAL;
}
assert(!acb->bh);
acb->bh = aio_bh_new(bdrv_get_aio_context(bs),
iscsi_ioctl_bh_completion, acb);
acb->bh = aio_bh_new(acb->ctx, iscsi_ioctl_bh_completion, acb);
acb->ret = ret;
qemu_bh_schedule(acb->bh);
}
@@ -1030,6 +1030,7 @@ static BlockAIOCB *iscsi_aio_ioctl(BlockDriverState *bs,
acb = qemu_aio_get(&iscsi_aiocb_info, bs, cb, opaque);
acb->iscsilun = iscsilun;
acb->ctx = qemu_get_current_aio_context();
acb->bh = NULL;
acb->status = -EINPROGRESS;
acb->ioh = buf;