On Mon, 22 Jan 2018 20:18:47 +0800, Rock Lee said: > I think in order to keep the consistency, the whole transaction should > be discarded, as long as not all the metadata blocks have the right > crc value in the transaction. But why jbd2 still copies the metadata > block(with the right crc) to filesystem when bad crc metadata blocks > exist ?
Consider the case of 75 metadata blocks in the journal, with one bad block. Which results in less total damage when the journal is replayed: 1) Applying the 74 good ones (if possible) and complain about the one bad one? 2) Refusing to deal with *any* of them.
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