"This patch speeds up e2fsck on Ext3 significantly using a technique called Metaclustering," stated Abhishek Rai. In an earlier thread he quantified this claim, "this patch will help reduce full fsck time for ext3. I've seen 50-65% reduction in fsck time when using this patch on a near-full file system. With some fsck optimizations, this figure becomes 80%." Most criticism so far has been in regards to formatting issues with the patch preventing it from being easily tested, resolved in the latest postings. It was also cautioned that the patch affects a significant amount of ext3 code, and thus will require very heavy testing. Abhishek described how the patch offers its significant gains for e2fsck:
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