bcachefs: We can handle missing btree roots for all alloc btrees

We can rebuild alloc info if these btree roots are missing - no need to
bail out and say the filesystem is unrecoverable

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-06-22 23:06:16 -04:00 • committed by Kent Overstreet
commit 3ab25c1b4e