"Theodore Y. Ts'o" wrote:
>
> In practice, though, I'm not aware of any filesystem consistency checker
> since the days of Multics that could do this.
Windows 95/98 scandisk 8-)
Their implementation well documented (they need 3 lock levels), but very
slow (scandisk restarts from scratch if someone else writes to the disk)
The filesystem reduces metadata caching, and scandisk uses a special
interface for atomic read-fsck-write cycles. (conditional writes,
similar to the atomic instructions on most RISC cpus)
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This archive was generated by hypermail 2b29 : Fri Jul 07 2000 - 21:00:19 EST