ceph: add additional range check in ceph_fallocate()
If the range is larger than both real file size and limit of max file size, then return -EFBIG. Signed-off-by: Chengguang Xu <cgxu519@gmx.com> Reviewed-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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