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[Qemu-devel] [PATCH 22/39] block: copy enable_write_cache in bdrv_append
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 22/39] block: copy enable_write_cache in bdrv_append |
Date: |
Fri, 15 Jun 2012 15:33:22 +0200 |
From: Paolo Bonzini <address@hidden>
Because the guest will be able to flip enable_write_cache, the actual
state may not match what is used to open the new snapshot.
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
block.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index 7538112..9bff401 100644
--- a/block.c
+++ b/block.c
@@ -1000,6 +1000,8 @@ void bdrv_append(BlockDriverState *bs_new,
BlockDriverState *bs_top)
tmp.buffer_alignment = bs_top->buffer_alignment;
tmp.copy_on_read = bs_top->copy_on_read;
+ tmp.enable_write_cache = bs_top->enable_write_cache;
+
/* i/o timing parameters */
tmp.slice_time = bs_top->slice_time;
tmp.slice_start = bs_top->slice_start;
--
1.7.6.5
- [Qemu-devel] [PATCH 12/39] rbd: hook up cache options, (continued)
- [Qemu-devel] [PATCH 12/39] rbd: hook up cache options, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 11/39] qcow2: Support for fixing refcount inconsistencies, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 13/39] sheepdog: add coroutine_fn markers to coroutine functions, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 14/39] block: Simplify how drive_init() computes default ID, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 17/39] scsi-disk: Don't peek behind the BlockDriverState abstraction, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 10/39] qemu-img check: Print fixed clusters and recheck, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 16/39] block: New bdrv_get_flags(), Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 15/39] Prevent disk data loss when closing qemu, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 21/39] savevm: flush after saving vm state, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 18/39] qemu-iotests: fill streaming test image with data, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 22/39] block: copy enable_write_cache in bdrv_append,
Kevin Wolf <=
- [Qemu-devel] [PATCH 23/39] block: add bdrv_set_enable_write_cache, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 19/39] qemu-iotests: start vms in qtest mode, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 25/39] ide: support enable/disable write cache, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 20/39] block: flush in writethrough mode after writes, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 36/39] fdc: fix implied seek while there is no media in drive, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 38/39] qemu-iotests: add qcow2.py set-feature-bit command, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 39/39] qemu-iotests: add 036 autoclear feature bit test, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 30/39] qemu-iotests: COW with many AIO requests on the same cluster, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 31/39] qemu-img: document qed format on qemu-img man page, Kevin Wolf, 2012/06/15
- [Qemu-devel] [PATCH 35/39] qcow2: fix autoclear image header update, Kevin Wolf, 2012/06/15