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Runtime filesystem consistency checkingRuntime filesystem consistency checkingPosted Apr 4, 2012 15:30 UTC (Wed) by nybble41 (subscriber, #55106)In reply to: Runtime filesystem consistency checking by ashvin Parent article: Runtime filesystem consistency checking
> Writing to unallocated data to which there is no linkage at commit seems suspect: how would the file system know that data is useful in anyway after a crash?
The data would not be useful after a crash; up to the point where the allocation is recorded on disk, there are no references to it, and it can simply revert to unallocated space, canceling the incomplete "transaction".
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