On Fri, Jul 23, 2010 at 11:16:33PM +0400, Vladislav Bolkhovitin wrote: > It would be great if you prove or disprove our suspicions that Linux > can produce several write requests for the same blocks > simultaneously. To be sure we need: Just use direct IO. Case in point is the concurrent sub-block AIO-DIO data corruption we're chasing on XFS and ext4 at the moment where we have two concurrent unaligned write IOs to the same filesystem block: http://oss.sgi.com/archives/xfs/2010-07/msg00278.html Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
