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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2025-03-11 21:26:06 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2025-03-13 17:57:23 +0100 |
| commit | 7eecba37788f48d34c015954f1207cc7b52728f5 (patch) | |
| tree | 3079d23a4c6c5d0c524a02a99c2d71302f0d60b4 /hw/scsi/scsi-disk.c | |
| parent | a89c3c9b2cc4107658c7260ecf329d869888fd51 (diff) | |
| download | focaccia-qemu-7eecba37788f48d34c015954f1207cc7b52728f5.tar.gz focaccia-qemu-7eecba37788f48d34c015954f1207cc7b52728f5.zip | |
scsi: track per-SCSIRequest AioContext
Until now, a SCSIDevice's I/O requests have run in a single AioContext. In order to support multiple IOThreads it will be necessary to move to the concept of a per-SCSIRequest AioContext. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-ID: <20250311132616.1049687-4-stefanha@redhat.com> Tested-by: Peter Krempa <pkrempa@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/scsi/scsi-disk.c')
| -rw-r--r-- | hw/scsi/scsi-disk.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index f049a20275..7cf8c31b98 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -328,9 +328,8 @@ static void scsi_aio_complete(void *opaque, int ret) SCSIDiskReq *r = (SCSIDiskReq *)opaque; SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); - /* The request must only run in the BlockBackend's AioContext */ - assert(blk_get_aio_context(s->qdev.conf.blk) == - qemu_get_current_aio_context()); + /* The request must run in its AioContext */ + assert(r->req.ctx == qemu_get_current_aio_context()); assert(r->req.aiocb != NULL); r->req.aiocb = NULL; @@ -430,12 +429,10 @@ static void scsi_dma_complete(void *opaque, int ret) static void scsi_read_complete_noio(SCSIDiskReq *r, int ret) { - SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); uint32_t n; - /* The request must only run in the BlockBackend's AioContext */ - assert(blk_get_aio_context(s->qdev.conf.blk) == - qemu_get_current_aio_context()); + /* The request must run in its AioContext */ + assert(r->req.ctx == qemu_get_current_aio_context()); assert(r->req.aiocb == NULL); if (scsi_disk_req_check_error(r, ret, ret > 0)) { @@ -562,12 +559,10 @@ static void scsi_read_data(SCSIRequest *req) static void scsi_write_complete_noio(SCSIDiskReq *r, int ret) { - SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); uint32_t n; - /* The request must only run in the BlockBackend's AioContext */ - assert(blk_get_aio_context(s->qdev.conf.blk) == - qemu_get_current_aio_context()); + /* The request must run in its AioContext */ + assert(r->req.ctx == qemu_get_current_aio_context()); assert (r->req.aiocb == NULL); if (scsi_disk_req_check_error(r, ret, ret > 0)) { |