On Mon, 4 Mar 2024 11:34:05 -0800 [email protected] wrote: > From: Fan Ni <[email protected]> > > Not all dpa range in the DC regions is valid to access until an extent
All DPA ranges in the DC regions are invalid to access until an extent covering the range has been added. > covering the range has been added. Add a bitmap for each region to > record whether a DC block in the region has been backed by DC extent. > For the bitmap, a bit in the bitmap represents a DC block. When a DC > extent is added, all the bits of the blocks in the extent will be set, > which will be cleared when the extent is released. > > Signed-off-by: Fan Ni <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]>
