linux-kernel - Re: [PATCH 08/15] mm/filemap: add read support for RWF

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Message-ID: <ZzOEzX0RddGeMUPc@bfoster>
Date: Tue, 12 Nov 2024 11:39:41 -0500
From: Brian Foster <bfoster@...hat.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: Christoph Hellwig <hch@...radead.org>,
	"Kirill A. Shutemov" <kirill@...temov.name>, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, hannes@...xchg.org, clm@...a.com,
	linux-kernel@...r.kernel.org, willy@...radead.org
Subject: Re: [PATCH 08/15] mm/filemap: add read support for RWF_UNCACHED

On Tue, Nov 12, 2024 at 08:14:28AM -0700, Jens Axboe wrote:
> On 11/11/24 10:13 PM, Christoph Hellwig wrote:
> > On Mon, Nov 11, 2024 at 04:42:25PM -0700, Jens Axboe wrote:
> >> Here's the slightly cleaned up version, this is the one I ran testing
> >> with.
> > 
> > Looks reasonable to me, but you probably get better reviews on the
> > fstests lists.
> 
> I'll send it out once this patchset is a bit closer to integration,
> there's the usual chicken and egg situation with it. For now, it's quite
> handy for my testing, found a few issues with this version. So thanks
> for the suggestion, sure beats writing more of your own test cases :-)
> 

fsx support is probably a good idea as well. It's similar in idea to
fsstress, but bashes the same file with mixed operations and includes
data integrity validation checks as well. It's pretty useful for
uncovering subtle corner case issues or bad interactions..

Brian

> -- 
> Jens Axboe
>