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file-posix: x-check-cache-dropped should default to false on reopen 

The default value of x-check-cache-dropped is false. There's no reason
to use the previous value as a default in raw_reopen_prepare() because
bdrv_reopen_queue_child() already takes care of putting the old
options in the BDRVReopenState.options QDict.

If x-check-cache-dropped was previously set but is now missing from
the reopen QDict then it should be reset to false.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Alberto Garcia 2018-09-06 12:37:02 +03:00 committed by Kevin Wolf
parent a8003ec40d
commit 589f20dccd
1 changed files with 1 additions and 1 deletions
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block/file-posix.c
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@ -850,7 +850,7 @@ static int raw_reopen_prepare(BDRVReopenState *state,
}
rs->check_cache_dropped = qemu_opt_get_bool(opts, "x-check-cache-dropped",
s->check_cache_dropped);
false);
if (s->type == FTYPE_CD) {
rs->open_flags |= O_NONBLOCK;