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author | Paolo Bonzini <pbonzini@redhat.com> | 2012-06-06 00:04:51 +0200 |
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committer | Kevin Wolf <kwolf@redhat.com> | 2012-06-15 14:03:43 +0200 |
commit | c4a248a138028bee63a099410c79b428db0c4779 (patch) | |
tree | c4f1e565b89cd8df4cd52cf532165b068f213999 | |
parent | ad492c92447ae29d0c3a691f0ae357155cce12fe (diff) | |
download | qemu-c4a248a138028bee63a099410c79b428db0c4779.zip qemu-c4a248a138028bee63a099410c79b428db0c4779.tar.gz qemu-c4a248a138028bee63a099410c79b428db0c4779.tar.bz2 |
block: copy enable_write_cache in bdrv_append
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 <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r-- | block.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -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; |