block/iscsi: allow cluster_size of 4K and greater
depending on the target the opt_unmap_gran might be as low as 4K. As we know use this also as a knob to activate the allocationmap feature lower the barrier. The limit 4K (and not 512) is choosen to avoid a potentially too big allocationmap. Signed-off-by: NPeter Lieven <pl@kamp.de> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Showing
想要评论请 注册 或 登录