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From: Adam Borowski <kilobyte@angband.pl>
To: David Howells <dhowells@redhat.com>
Cc: Anna Schumaker <anna.schumaker@netapp.com>,
	Trond Myklebust <trond.myklebust@hammerspace.com>,
	Jeff Layton <jlayton@redhat.com>,
	Steve French <sfrench@samba.org>,
	Dominique Martinet <asmadeus@codewreck.org>,
	Mike Marshall <hubcap@omnibond.com>,
	Miklos Szeredi <miklos@szeredi.hu>,
	"Matthew Wilcox (Oracle)" <willy@infradead.org>,
	Shyam Prasad N <nspmangalore@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	linux-cachefs@redhat.com, linux-afs@lists.infradead.org,
	linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org,
	ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net,
	devel@lists.orangefs.org, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: Canvassing for network filesystem write size vs page size
Date: Thu, 5 Aug 2021 19:52:58 +0200	[thread overview]
Message-ID: <YQwlehFilahEZg2T@angband.pl> (raw)
In-Reply-To: <1219713.1628181333@warthog.procyon.org.uk>

On Thu, Aug 05, 2021 at 05:35:33PM +0100, David Howells wrote:
>  - a complete folio currently is limited to PMD_SIZE or order 8, but could
>    theoretically go up to about 2GiB before various integer fields have to be
>    modified (not to mention the memory allocator).

No support for riscv 512GB pages? :p


-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ The ill-thought conversion to time64_t will make us suffer from
⢿⡄⠘⠷⠚⠋⠀ the Y292B problem.  So let's move the Epoch by 435451400064000000
⠈⠳⣄⠀⠀⠀⠀ and make it unsigned -- that'll almost double the range.

  parent reply	other threads:[~2021-08-05 17:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 10:19 Could it be made possible to offer "supplementary" data to a DIO write ? David Howells
2021-08-05 12:37 ` Matthew Wilcox
2021-08-05 13:07 ` David Howells
2021-08-05 13:35   ` Matthew Wilcox
2021-08-05 14:38   ` David Howells
2021-08-05 15:06     ` Matthew Wilcox
2021-08-05 15:38     ` David Howells
2021-08-05 16:35     ` Canvassing for network filesystem write size vs page size David Howells
2021-08-05 17:27       ` Linus Torvalds
2021-08-05 17:43         ` Trond Myklebust
2021-08-05 22:11         ` Matthew Wilcox
2021-08-06 13:42         ` David Howells
2021-08-06 14:17           ` Matthew Wilcox
2021-08-06 15:04           ` David Howells
2021-08-05 17:52       ` Adam Borowski [this message]
2021-08-05 18:50       ` Jeff Layton
2021-08-05 23:47       ` Matthew Wilcox
2021-08-06 13:44       ` David Howells
2021-08-05 17:45     ` Could it be made possible to offer "supplementary" data to a DIO write ? Adam Borowski

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