Re: 2.6.17-mm5

[Jeff Garzik]

On Sun, Jul 02, 2006 at 08:32:28AM +1000, Neil Brown wrote:
> The problem seems to be simply that on some hardware at least,
> BIO_RW_BARRIER writes result in an EIO.  Don't know why yet.

Could be that <whatever device> is choking on FLUSH CACHE (ATA)
or SYNCHRONIZE CACHE (SCSI).

That's one possible reason why EIO may result from a barrier...

	Jeff



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