#include "qemu/option.h"
#include "qemu/error-report.h"
#include "qemu/log.h"
+#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "qemu/units.h"
#include "qom/object_interfaces.h"
-#include "sysemu/sysemu.h"
#include "sysemu/block-backend.h"
#include "block/block_int.h"
#include "block/blockjob.h"
bool has_zero_init;
bool compressed;
bool unallocated_blocks_are_zero;
+ bool target_is_new;
bool target_has_backing;
int64_t target_backing_sectors; /* negative if unknown */
bool wr_in_order;
int64_t sector_num = 0;
/* Check whether we have zero initialisation or can get it efficiently */
- s->has_zero_init = s->min_sparse && !s->target_has_backing
- ? bdrv_has_zero_init(blk_bs(s->target))
- : false;
+ if (s->target_is_new && s->min_sparse && !s->target_has_backing) {
+ s->has_zero_init = bdrv_has_zero_init(blk_bs(s->target));
+ } else {
+ s->has_zero_init = false;
+ }
if (!s->has_zero_init && !s->target_has_backing &&
bdrv_can_write_zeroes_with_unmap(blk_bs(s->target)))
goto fail_getopt;
}
+ if (skip_create && options) {
+ warn_report("-o has no effect when skipping image creation");
+ warn_report("This will become an error in future QEMU versions.");
+ }
+
s.src_num = argc - optind - 1;
out_filename = s.src_num >= 1 ? argv[argc - 1] : NULL;
}
}
+ s.target_is_new = !skip_create;
+
flags = s.min_sparse ? (BDRV_O_RDWR | BDRV_O_UNMAP) : BDRV_O_RDWR;
ret = bdrv_parse_cache_mode(cache, &flags, &writethrough);
if (ret < 0) {