On Thu, Nov 7, 2024 at 5:03 PM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > Hi, > > 在 2024/11/08 7:41, Song Liu 写道: > > On Thu, Nov 7, 2024 at 5:02 AM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > >> > >> From: Yu Kuai <yukuai3@xxxxxxxxxx> > >> > >> The bitmap file has been marked as deprecated for more than a year now, > >> let's remove it, and we don't need to care about this case in the new > >> bitmap. > >> > >> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> > > > > What happens when an old array with bitmap file boots into a kernel > > without bitmap file support? > > If mdadm is used with bitmap file support, then kenel will just ignore > the bitmap, the same as none bitmap. Perhaps it's better to leave a > error message? Yes, we should print some error message before assembling the array. > And if mdadm is updated, reassemble will fail. I think we should ship this with 6.14 (not 6.13), so that we have more time testing different combinations of old/new mdadm and kernel. WDYT? Thanks, Song
