*/
#include "qemu/osdep.h"
#include "qapi/error.h"
+#include "qemu/error-report.h"
#include "qemu-common.h"
#include "block/block_int.h"
#include "qemu/module.h"
uint32_t offsets_size, max_compressed_block_size = 1, i;
int ret;
- bs->read_only = 1;
+ bs->file = bdrv_open_child(NULL, options, "file", bs, &child_file,
+ false, errp);
+ if (!bs->file) {
+ return -EINVAL;
+ }
+
+ if (!bdrv_is_read_only(bs)) {
+ error_report("Opening cloop images without an explicit read-only=on "
+ "option is deprecated. Future versions will refuse to "
+ "open the image instead of automatically marking the "
+ "image read-only.");
+ ret = bdrv_set_read_only(bs, true, errp);
+ if (ret < 0) {
+ return ret;
+ }
+ }
/* read header */
- ret = bdrv_pread(bs->file->bs, 128, &s->block_size, 4);
+ ret = bdrv_pread(bs->file, 128, &s->block_size, 4);
if (ret < 0) {
return ret;
}
return -EINVAL;
}
- ret = bdrv_pread(bs->file->bs, 128 + 4, &s->n_blocks, 4);
+ ret = bdrv_pread(bs->file, 128 + 4, &s->n_blocks, 4);
if (ret < 0) {
return ret;
}
return -ENOMEM;
}
- ret = bdrv_pread(bs->file->bs, 128 + 4 + 4, s->offsets, offsets_size);
+ ret = bdrv_pread(bs->file, 128 + 4 + 4, s->offsets, offsets_size);
if (ret < 0) {
goto fail;
}
int ret;
uint32_t bytes = s->offsets[block_num + 1] - s->offsets[block_num];
- ret = bdrv_pread(bs->file->bs, s->offsets[block_num],
+ ret = bdrv_pread(bs->file, s->offsets[block_num],
s->compressed_block, bytes);
if (ret != bytes) {
return -1;
.instance_size = sizeof(BDRVCloopState),
.bdrv_probe = cloop_probe,
.bdrv_open = cloop_open,
+ .bdrv_child_perm = bdrv_format_default_perms,
.bdrv_refresh_limits = cloop_refresh_limits,
.bdrv_co_preadv = cloop_co_preadv,
.bdrv_close = cloop_close,