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@@ -2854,7 +2854,7 @@ static void rbd_free_disk(struct rbd_device *rbd_dev)
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static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
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const char *object_name,
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u64 offset, u64 length,
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- char *buf, u64 *version)
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+ void *buf, u64 *version)
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{
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struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
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@@ -2957,8 +2957,7 @@ rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version)
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return ERR_PTR(-ENOMEM);
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ret = rbd_obj_read_sync(rbd_dev, rbd_dev->header_name,
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- 0, size,
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- (char *) ondisk, version);
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+ 0, size, ondisk, version);
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if (ret < 0)
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goto out_err;
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if (WARN_ON((size_t) ret < size)) {
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