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[Qemu-devel] [PATCH 43/46] qed: add bdrv_invalidate_cache to be called a
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 43/46] qed: add bdrv_invalidate_cache to be called after incoming live migration |
Date: |
Thu, 5 Apr 2012 17:52:21 +0200 |
From: BenoƮt Canet <address@hidden>
The QED image is reopened to flush metadata and check consistency.
Signed-off-by: Benoit Canet <address@hidden>
Reviewed-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block/qed.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/block/qed.c b/block/qed.c
index 19d87f3..a5e9d57 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1510,6 +1510,15 @@ static int bdrv_qed_change_backing_file(BlockDriverState
*bs,
return ret;
}
+static void bdrv_qed_invalidate_cache(BlockDriverState *bs)
+{
+ BDRVQEDState *s = bs->opaque;
+
+ bdrv_qed_close(bs);
+ memset(s, 0, sizeof(BDRVQEDState));
+ bdrv_qed_open(bs, bs->open_flags);
+}
+
static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result)
{
BDRVQEDState *s = bs->opaque;
@@ -1561,6 +1570,7 @@ static BlockDriver bdrv_qed = {
.bdrv_getlength = bdrv_qed_getlength,
.bdrv_get_info = bdrv_qed_get_info,
.bdrv_change_backing_file = bdrv_qed_change_backing_file,
+ .bdrv_invalidate_cache = bdrv_qed_invalidate_cache,
.bdrv_check = bdrv_qed_check,
};
--
1.7.6.5
- [Qemu-devel] [PATCH 05/46] block: push recursive flushing up from drivers, (continued)
- [Qemu-devel] [PATCH 05/46] block: push recursive flushing up from drivers, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 06/46] aio: move BlockDriverAIOCB to qemu-aio.h, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 07/46] ide: IDENTIFY word 86 bit 14 is reserved, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 10/46] ide: Adds wwn=hex qdev option, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 08/46] ide: Add "model=s" qdev option, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 17/46] vdi: merge aio_read_cb and aio_write_cb into callers, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 18/46] vdi: move aiocb fields to locals, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 23/46] block: disable I/O throttling on sync api, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 24/46] block: cancel jobs when a device is ready to go away, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 22/46] Use DMADirection type for dma_bdrv_io, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 43/46] qed: add bdrv_invalidate_cache to be called after incoming live migration,
Kevin Wolf <=
- [Qemu-devel] [PATCH 37/46] qemu-iotests: Fix call syntax for qemu-img, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 38/46] qemu-iotests: Fix call syntax for qemu-io, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 28/46] qemu-img: add image fragmentation statistics, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 21/46] vdi: change goto to loop, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 32/46] block: bdrv_append() fixes, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 13/46] qdev: add blocksize property type, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 20/46] vdi: do not create useless iovecs, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 42/46] blockdev: open images with BDRV_O_INCOMING on incoming live migration, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 25/46] block: fix streaming/closing race, Kevin Wolf, 2012/04/05
- [Qemu-devel] [PATCH 36/46] qemu-iotests: Test unknown qcow2 header extensions, Kevin Wolf, 2012/04/05