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[Qemu-devel] [RFC PATCH 5/7] block: add bdrv_set_enable_write_cache
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [RFC PATCH 5/7] block: add bdrv_set_enable_write_cache |
Date: |
Fri, 18 May 2012 16:18:30 +0200 |
Signed-off-by: Paolo Bonzini <address@hidden>
---
block.c | 5 +++++
block.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/block.c b/block.c
index e89b35a..47b4a43 100644
--- a/block.c
+++ b/block.c
@@ -2369,6 +2369,11 @@ int bdrv_enable_write_cache(BlockDriverState *bs)
return bs->enable_write_cache;
}
+void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce)
+{
+ bs->enable_write_cache = wce;
+}
+
int bdrv_is_encrypted(BlockDriverState *bs)
{
if (bs->backing_hd && bs->backing_hd->encrypted)
diff --git a/block.h b/block.h
index 37a3369..fbb4609 100644
--- a/block.h
+++ b/block.h
@@ -280,6 +280,7 @@ BlockErrorAction bdrv_get_on_error(BlockDriverState *bs,
int is_read);
int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_sg(BlockDriverState *bs);
int bdrv_enable_write_cache(BlockDriverState *bs);
+void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce);
int bdrv_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs);
void bdrv_lock_medium(BlockDriverState *bs, bool locked);
--
1.7.10.1
- [Qemu-devel] [RFC PATCH 0/7] Manual writethrough cache and cache mode toggle, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 2/7] savevm: flush after saving vm state, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 1/7] block: flush in writethrough mode after writes, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 3/7] block: do not pass BDRV_O_CACHE_WB to the protocol, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 5/7] block: add bdrv_set_enable_write_cache,
Paolo Bonzini <=
- [Qemu-devel] [RFC PATCH 4/7] block: copy enable_write_cache in bdrv_append, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 6/7] ide: support enable/disable write cache, Paolo Bonzini, 2012/05/18
- [Qemu-devel] [RFC PATCH 7/7] block: do not handle writethrough in qcow2 caches, Paolo Bonzini, 2012/05/18