On Wed, Feb 20, 2008 at 01:58:36AM -0800, Xin LI wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Alexander Leidinger wrote: > > Quoting Xin LI <delphij_at_delphij.net> (from Tue, 19 Feb 2008 23:36:04 > > -0800): > > > >> Change summary: > >> > >> fsutil.c: > >> - Really update standard superblock. fsck_ffs -b used to update the > >> backup superblock which does not recover file systems which have bad > >> master superblocks. > >> - Instead of coredump, zero out whole cg if its signature is bad. > >> > >> inode.c: > >> - Instead of coredump, zero out whole cg if its signature is bad. > > > > Does this modify (zero out) on-disk blocks? If yes, shouldn't this ask > > for confirmation? > > My assumption is that if a cylinder group's magic number is damaged, > then the whole stuff can not be trusted at all, but yes, I think this > should come with a prompt, will add tomorrow. I have some uneasy feeling about automatically zeroing a cg. I think it would be safer to show the message there, and add the same functionality to fsdb, something like clrcg command, analogous to clri.
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