Re: [PATCH] 2.4.x write barriers (updated for ext3)

[Mike Anderson]

Chris Mason [[e-mail]] wrote:
> 
> ..snip..
> > 
> > Clearly, there would also have to be a mechanism to flush the cache on 
> > unmount, so if this were done by ioctl, would you prefer that the filesystem 
> > be in charge of flushing the cache on barrier writes, or would you like the sd 
> > device to do it transparently?
> 
> How about triggered by closing the block device.  That would also cover
> people like oracle that do stuff to the raw device.
> 
> -chris

Doing something in sd_release should be covered in the raw case. 
raw_release->blkdev_put->bdev->bd_op->release "sd_release".

At least from what I understand of the raw release call path :-).
-Mike
-- 
Michael Anderson
[e-mail]