Re: [PATCH v2 01/16] FS: Added demand paging markers to filesystem

From: Christoph Hellwig
Date: Wed May 09 2012 - 11:03:58 EST

On Wed, May 09, 2012 at 01:59:40PM +0000, Arnd Bergmann wrote:
> My feeling is that we should just treat every (REQ_SYNC | REQ_READ)
> request the same and let them interrupt long-running writes,
> independent of whether it's REQ_META or demand paging.

It's funny that the CFQ scheduler used to boost metadata reads that
have REQ_META set - in fact it still does for those filesystems using
the now split out REQ_PRIO.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at