Kirk McKusick f033309fcd Verify that alternate superblocks have a correct magic number before
trying to use them. Set a minimum value for numdirs when using an
alternate superblock to avoid spurious numdirs == 0 error. Calculate
new fields when using an alternate superblock from a UFS1 filesystem
to avoid segment faulting.

Sponsored by:   DARPA & NAI Labs.
2002-12-02 19:30:37 +00:00
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2002-03-20 22:57:10 +00:00
2002-07-30 13:01:25 +00:00