Re: Please help me understand ->writepage. Was Re: segfault mdadm --write-behind, 2.6.14-mm2 (was: Re: RAID1 ramdisk patch)

From: Jeff Garzik
Date: Mon Nov 21 2005 - 18:30:18 EST

On Tue, Nov 22, 2005 at 10:07:41AM +1100, Neil Brown wrote:
> To write the pages out it effectively does ->prepare_write,
> ->commit_write, and then ->writepage.
> I'm not sure that prepare/commit is needed, but they don't seem to be
> the problem. writepage is.

That's a bit weird. Typically you have two separate callpaths,
non-page-aligned (prepare_write + commit_write) or writepage(s).
Not both.


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