From: Christoph Hellwig <hch@lst.de>
To: Carlos Maiolino <cmaiolino@redhat.com>
Cc: linux-fsdevel@vger.kernel.org, okozina@redhat.com, hch@lst.de
Subject: Re: [RFC PATCH] iomap: Enable alignment check for iomap DIO in holes
Date: Sat, 6 Oct 2018 11:59:51 +0200 [thread overview]
Message-ID: <20181006095951.GA6047@lst.de> (raw)
In-Reply-To: <20181005130316.4869-1-cmaiolino@redhat.com>
On Fri, Oct 05, 2018 at 03:03:16PM +0200, Carlos Maiolino wrote:
> Commit 09230435dffdb13de507e5e40b524b0069fc5c7b refactor iomap_dio_actor
> into two different helpers for bio based IO and hole IO, although, the
> latter doesn't check for IO alignment anymore.
>
> Move the DIO alignment check up into the caller, so all iomap DIO has
> alignment checked.
Why? The only reason to check alignmnet for actual I/O is because we
have to. There is no requirement to align holes.
> Christoph, I tagged this patch as RFC, because I couldn't really identify if you
> intentionally dropped the alignment check for holes and inline actors, if you
> didn't drop the alignment check intentionally, please consider it as a normal
> patch.
The primary intent was to simplify the code and not enforce alignment
for inline data support.
next prev parent reply other threads:[~2018-10-06 17:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-05 13:03 [RFC PATCH] iomap: Enable alignment check for iomap DIO in holes Carlos Maiolino
2018-10-06 9:59 ` Christoph Hellwig [this message]
2018-10-08 7:24 ` Carlos Maiolino
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