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[Qemu-devel] [PULL 22/42] vmdk: implement .bdrv_detach/attach_aio_contex
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 22/42] vmdk: implement .bdrv_detach/attach_aio_context() |
Date: |
Fri, 6 Jun 2014 18:13:43 +0200 |
Implement .bdrv_detach/attach_aio_context() interfaces to propagate
detach/attach to BDRVVmdkState->extents[].file. The block layer takes
care of ->file and ->backing_hd but doesn't know about our extents
BlockDriverStates, which is also part of the graph.
Reviewed-by: Fam Zheng <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block/vmdk.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/block/vmdk.c b/block/vmdk.c
index 2b38f61..b8a4762 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -2096,6 +2096,27 @@ static int vmdk_get_info(BlockDriverState *bs,
BlockDriverInfo *bdi)
return 0;
}
+static void vmdk_detach_aio_context(BlockDriverState *bs)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_detach_aio_context(s->extents[i].file);
+ }
+}
+
+static void vmdk_attach_aio_context(BlockDriverState *bs,
+ AioContext *new_context)
+{
+ BDRVVmdkState *s = bs->opaque;
+ int i;
+
+ for (i = 0; i < s->num_extents; i++) {
+ bdrv_attach_aio_context(s->extents[i].file, new_context);
+ }
+}
+
static QEMUOptionParameter vmdk_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -2153,6 +2174,8 @@ static BlockDriver bdrv_vmdk = {
.bdrv_get_specific_info = vmdk_get_specific_info,
.bdrv_refresh_limits = vmdk_refresh_limits,
.bdrv_get_info = vmdk_get_info,
+ .bdrv_detach_aio_context = vmdk_detach_aio_context,
+ .bdrv_attach_aio_context = vmdk_attach_aio_context,
.create_options = vmdk_create_options,
};
--
1.9.3
- [Qemu-devel] [PULL 15/42] block/raw-posix: implement .bdrv_detach/attach_aio_context(), (continued)
- [Qemu-devel] [PULL 15/42] block/raw-posix: implement .bdrv_detach/attach_aio_context(), Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 16/42] block/linux-aio: fix memory and fd leak, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 17/42] block/raw-win32: create one QEMUWin32AIOState per BDRVRawState, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 19/42] rbd: use BlockDriverState's AioContext, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 18/42] block/raw-win32: implement .bdrv_detach/attach_aio_context(), Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 24/42] dataplane: delete IOQueue since it is no longer used, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 25/42] dataplane: implement async flush, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 20/42] sheepdog: implement .bdrv_detach/attach_aio_context(), Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 26/42] raw-posix: drop raw_get_aio_fd() since it is no longer used, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 27/42] block: Move declaration of bdrv_get_aio_context to block.h, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 22/42] vmdk: implement .bdrv_detach/attach_aio_context(),
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 28/42] virtio-blk: Allow config-wce in dataplane, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 29/42] virtio-blk: Factor out virtio_blk_handle_scsi_req from virtio_blk_handle_scsi, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 31/42] throttle: add throttle_detach/attach_aio_context(), Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 30/42] dataplane: Support VIRTIO_BLK_T_SCSI_CMD, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 32/42] throttle: add detach/attach test case, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 33/42] blockdev: acquire AioContext in block_set_io_throttle, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 34/42] block: fix wrong order in live block migration setup, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 36/42] rbd: Fix leaks in rbd_start_aio() error path, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 35/42] qemu-img: Document check exit codes, Stefan Hajnoczi, 2014/06/06
- [Qemu-devel] [PULL 40/42] qapi: create two block related json modules, Stefan Hajnoczi, 2014/06/06