Message ID | bdef96edf301c122f8d0c8f3b076f1c1be59a12a.1347993885.git.jcody@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/block.c b/block.c index c3eb585..2b96c8e 100644 --- a/block.c +++ b/block.c @@ -2164,6 +2164,13 @@ int bdrv_enable_write_cache(BlockDriverState *bs) void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce) { bs->enable_write_cache = wce; + + /* so a reopen() will preserve wce */ + if (wce) { + bs->open_flags |= BDRV_O_CACHE_WB; + } else { + bs->open_flags &= ~BDRV_O_CACHE_WB; + } } int bdrv_is_encrypted(BlockDriverState *bs)
bdrv_set_enable_write_cache() sets the bs->enable_write_cache flag, but without the flag recorded in bs->open_flags, then next time a reopen() is performed the enable_write_cache setting may be inadvertently lost. This will set the flag in open_flags, so it is preserved across reopens. Signed-off-by: Jeff Cody <jcody@redhat.com> --- block.c | 7 +++++++ 1 file changed, 7 insertions(+)