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May as well cc lkml on this. It's to do with the disk write barrier implementation. - How do I know that the barrier code is actually doing stuff? It doesn't seem to affect benchmarks much, if at all. - Does reiserfs support `mount -o remount,barrier=flush'? and "=none"? - How do I test the "oh, barriers aren't working" fallback code in ext3? - Does the kernel tell you if your disk doesn't supoprt barriers? ie: how does the user know if it's working or not? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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