> I think the real fix is to avoid clearing uptodate in case of io errors. > For read io errors, the buffer/page should not have been uptodate to > start with, and for write io errors, an error writing back the buffer > does not mean it is somehow no longer the most uptodate copy of the data. > > Higher level policy about IO errors (whether to retry, ignore, throw > out the data, etc) would be nice to implement properly too, but that is > not really the job of the low level cache and IO routines. > > I proposed some patches a while back but didn't get much interest. > Maybe I should just ask someone to merge them. I am interested in fixing current releases. But I agree it should be handled in a general way in future. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html