Re: 2.5.50-mm2

From: Christoph Hellwig (
Date: Fri Dec 13 2002 - 17:55:26 EST

On Mon, Dec 09, 2002 at 12:26:48AM -0800, Andrew Morton wrote:
> +remove-PF_SYNC.patch
> remove the current->flags:PF_SYNC abomination. Adds a `sync' arg to
> all writepage implementations to tell them whether they are being
> called for memory cleansing or for data integrity.

Any chance you could pass down a struct writeback_control instead of
just the sync flag? XFS always used ->writepage similar to the
->vm_writeback in older kernel releases because writing out more
than one page of delalloc space is really needed to be efficient and
this would allow us to get a few more hints about the VM's intentions.

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