Re: Clear PG_error before reading a page

[Johann Lombardi]

On Thu, May 17, 2007 at 09:47:30AM -0700, Andrew Morton wrote:
> So running ioctl(BLKFLSBUF) against the device will fix things up?

No, 'blockdev --flushbufs /dev/sdb' doesn't help.

> Perhaps not, and we should invalidate all the file data as well. The
> only ways we have of doing that are umount+mount or /proc/sys/vm/drop_caches.

'echo > /proc/sys/vm/drop_caches' works. Thanks.

Johann
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