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From: Xiubo Li <xiubli@redhat.com>
To: Kairui Song <ryncsn@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>,
	linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	"Huang, Ying" <ying.huang@intel.com>,
	Chris Li <chrisl@kernel.org>, Barry Song <v-songbaohua@oppo.com>,
	Ryan Roberts <ryan.roberts@arm.com>, Neil Brown <neilb@suse.de>,
	Minchan Kim <minchan@kernel.org>, Hugh Dickins <hughd@google.com>,
	David Hildenbrand <david@redhat.com>,
	Yosry Ahmed <yosryahmed@google.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Ilya Dryomov <idryomov@gmail.com>,
	Jeff Layton <jlayton@kernel.org>,
	ceph-devel@vger.kernel.org
Subject: Re: [PATCH 4/8] ceph: drop usage of page_index
Date: Tue, 23 Apr 2024 08:32:21 +0800	[thread overview]
Message-ID: <ef670902-edf0-43a3-9409-e0719514ba68@redhat.com> (raw)
In-Reply-To: <CAMgjq7AKwxBkw+tP0GhmLh8aRqXA81i1QOgoqyJ2LP5xqeeJWA@mail.gmail.com>


On 4/22/24 23:34, Kairui Song wrote:
> On Thu, Apr 18, 2024 at 9:40 AM Xiubo Li <xiubli@redhat.com> wrote:
>> On 4/18/24 09:30, Matthew Wilcox wrote:
>>> On Thu, Apr 18, 2024 at 08:28:22AM +0800, Xiubo Li wrote:
>>>> Thanks for you patch and will it be doable to switch to folio_index()
>>>> instead ?
>>> No.  Just use folio->index.  You only need folio_index() if the folio
>>> might belong to the swapcache instead of a file.
>>>
>> Hmm, Okay.
>>
>> Thanks
>>
>> - Xiubo
>>
> Hi Xiubo
>
> Thanks for the comment,
>
> As Matthew mentioned there is no need to use folio_index unless you
> are access swapcache. And I found that ceph is not using folios
> internally yet, needs a lot of conversions. So I think I'll just keep
> using page->index here, later conversions may change it to
> folio->index.
>
Sounds good to me and thanks for explaining.

Cheers

- Xiubo


  reply	other threads:[~2024-04-23  0:32 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-17 16:08 [PATCH 0/8] mm/swap: optimize swap cache search space Kairui Song
2024-04-17 16:08 ` [PATCH 1/8] NFS: remove nfs_page_lengthg and usage of page_index Kairui Song
2024-04-17 16:08 ` [PATCH 2/8] nilfs2: drop " Kairui Song
2024-04-17 16:14   ` Matthew Wilcox
2024-04-18  2:42     ` Kairui Song
2024-04-17 16:08 ` [PATCH 3/8] f2fs: " Kairui Song
2024-04-17 16:08 ` [PATCH 4/8] ceph: " Kairui Song
2024-04-18  0:28   ` Xiubo Li
2024-04-18  1:30     ` Matthew Wilcox
2024-04-18  1:40       ` Xiubo Li
2024-04-22 15:34         ` Kairui Song
2024-04-23  0:32           ` Xiubo Li [this message]
2024-04-17 16:08 ` [PATCH 5/8] cifs: drop usage of page_file_offset Kairui Song
2024-04-17 16:25   ` Matthew Wilcox
2024-04-17 16:08 ` [PATCH 6/8] mm/swap: get the swap file offset directly Kairui Song
2024-04-18 18:43   ` kernel test robot
2024-04-23  1:41   ` Huang, Ying
2024-04-23 13:33     ` Kairui Song
2024-04-17 16:08 ` [PATCH 7/8] mm: drop page_index/page_file_offset and convert swap helpers to use folio Kairui Song
2024-04-18  1:55   ` Barry Song
2024-04-18  2:42     ` Kairui Song
2024-04-18 10:19       ` Barry Song
2024-04-18  3:30     ` Matthew Wilcox
2024-04-18  3:55       ` Barry Song
2024-04-17 16:08 ` [PATCH 8/8] mm/swap: reduce swap cache search space Kairui Song
2024-04-18 18:21   ` kernel test robot
2024-04-18 18:21   ` kernel test robot
2024-04-22  7:54 ` [PATCH 0/8] mm/swap: optimize " Huang, Ying
2024-04-22 15:20   ` Kairui Song
2024-04-23  1:29     ` Huang, Ying
2024-04-23  3:20   ` Matthew Wilcox
2024-04-24  2:24     ` Huang, Ying
2024-04-26 23:16       ` Chris Li
2024-04-28  1:14         ` Huang, Ying
2024-04-28  2:43           ` Chris Li
2024-04-28  3:21             ` Huang, Ying
2024-04-28 17:26               ` Chris Li
2024-04-28 17:37         ` Kairui Song
2024-04-28 17:45           ` Kairui Song
2024-04-29  5:50           ` Chris Li

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