Re: [Regression] Commit 02c24a82187d5a628c68edfe71ae60dc135cd178breaks s2disk

[Al Viro]

On Mon, Aug 01, 2011 at 03:22:02PM -1000, Linus Torvalds wrote:
> On Mon, Aug 1, 2011 at 2:17 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> >
> > Well, I'm not sure if the patch below is the right fix, but it evidently makes
> > s2disk work for me again.
> 
> Looks right to me.
> 
> The only issue is whether we should use "db_mapping->i_mapping" or
> "file->f_mapping". I think they are the same for block devices.
> 
> Al?

Applied (in file->f_mapping variant; it is equal to bdev->bd_mapping,
but what's wrong with using ->f_mapping here?)

> Also, what about some of the other fsync things that apparently
> weren't updated to write back page caches. ps3flash_fsync? Others?

ps3flash, IIRC, doesn't go through page cache on read and write...
If anything, we probably have instances that bother with pagecache
for no reason...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/