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block: add bdrv_set_enable_write_cache 

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-06-06 00:04:52 +02:00 committed by Kevin Wolf
parent c4a248a138
commit 425b01487a
2 changed files with 6 additions and 0 deletions
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5
block.c
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@ -2380,6 +2380,11 @@ int bdrv_enable_write_cache(BlockDriverState *bs)
return bs->enable_write_cache; 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) int bdrv_is_encrypted(BlockDriverState *bs)
{ {
if (bs->backing_hd && bs->backing_hd->encrypted) if (bs->backing_hd && bs->backing_hd->encrypted)

1
block.h
View File

@ -291,6 +291,7 @@ BlockErrorAction bdrv_get_on_error(BlockDriverState *bs, int is_read);
int bdrv_is_read_only(BlockDriverState *bs); int bdrv_is_read_only(BlockDriverState *bs);
int bdrv_is_sg(BlockDriverState *bs); int bdrv_is_sg(BlockDriverState *bs);
int bdrv_enable_write_cache(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_is_inserted(BlockDriverState *bs);
int bdrv_media_changed(BlockDriverState *bs); int bdrv_media_changed(BlockDriverState *bs);
void bdrv_lock_medium(BlockDriverState *bs, bool locked); void bdrv_lock_medium(BlockDriverState *bs, bool locked);