netdev - RE: [PATCH v4 05/13] iov: Move iterator functions to a header file

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Message-ID: <445a78b0ff3047fea20d3c8058a5ff6a@AcuMS.aculab.com>
Date: Thu, 14 Sep 2023 09:06:25 +0000
From: David Laight <David.Laight@...LAB.COM>
To: 'David Howells' <dhowells@...hat.com>, Al Viro <viro@...iv.linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>
CC: Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>, "Christian
 Brauner" <christian@...uner.io>, Matthew Wilcox <willy@...radead.org>, "Jeff
 Layton" <jlayton@...nel.org>, "linux-fsdevel@...r.kernel.org"
	<linux-fsdevel@...r.kernel.org>, "linux-block@...r.kernel.org"
	<linux-block@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v4 05/13] iov: Move iterator functions to a header file

From: David Howells
> Sent: 13 September 2023 17:57
> 
> Move the iterator functions to a header file so that other operations that
> need to scan over an iterator can be added.  For instance, the rbd driver
> could use this to scan a buffer to see if it is all zeros and libceph could
> use this to generate a crc.

These all look a bit big for being more generally inlined.

I know you want to avoid the indirect call in the normal cases,
but maybe it would be ok for other uses?

		David

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