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From: "Benjamin Coddington" <bcodding@redhat.com>
To: "Trond Myklebust" <trondmy@hammerspace.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH v2 00/16] Readdir enhancements
Date: Wed, 04 Nov 2020 12:19:02 -0500
Message-ID: <5C64BA42-DB89-4427-A3E9-FD4ED3BB1CF0@redhat.com> (raw)
In-Reply-To: <50bf1f5c78d16d1018741febf822a00142a07b5b.camel@hammerspace.com>

On 4 Nov 2020, at 12:04, Trond Myklebust wrote:

> Hi Ben
>
> Thanks for the review and the testing!

Thank /you/ for the work!

> You're right that I had screwed up the page access marking in the
> previous patchsets. I believe this should be fixed in v3 by the
> conversion to use grab_cache_page(), which calls find_or_create_page()
> and should therefore do the right thing with the FGP_ACCESSED flag.
>
> I believe the reason why your patch above fails to fully correct the
> issue is because we always want to mark the page as accessed if we've
> scanned it.

Ah, that make sense.  I'll take the v3 for a ride tomorrow morning.

Ben


      reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-03 15:33 trondmy
2020-11-03 15:33 ` [PATCH v2 01/16] NFS: Ensure contents of struct nfs_open_dir_context are consistent trondmy
2020-11-03 15:33   ` [PATCH v2 02/16] NFS: Clean up readdir struct nfs_cache_array trondmy
2020-11-03 15:33     ` [PATCH v2 03/16] NFS: Clean up nfs_readdir_page_filler() trondmy
2020-11-03 15:33       ` [PATCH v2 04/16] NFS: Clean up directory array handling trondmy
2020-11-03 15:33         ` [PATCH v2 05/16] NFS: Don't discard readdir results trondmy
2020-11-03 15:33           ` [PATCH v2 06/16] NFS: Remove unnecessary kmap in nfs_readdir_xdr_to_array() trondmy
2020-11-03 15:33             ` [PATCH v2 07/16] NFS: Replace kmap() with kmap_atomic() in nfs_readdir_search_array() trondmy
2020-11-03 15:33               ` [PATCH v2 08/16] NFS: Simplify struct nfs_cache_array_entry trondmy
2020-11-03 15:33                 ` [PATCH v2 09/16] NFS: Support larger readdir buffers trondmy
2020-11-03 15:33                   ` [PATCH v2 10/16] NFS: More readdir cleanups trondmy
2020-11-03 15:33                     ` [PATCH v2 11/16] NFS: nfs_do_filldir() does not return a value trondmy
2020-11-03 15:33                       ` [PATCH v2 12/16] NFS: Reduce readdir stack usage trondmy
2020-11-03 15:33                         ` [PATCH v2 13/16] NFS: Cleanup to remove nfs_readdir_descriptor_t typedef trondmy
2020-11-03 15:33                           ` [PATCH v2 14/16] NFS: Allow the NFS generic code to pass in a verifier to readdir trondmy
2020-11-03 15:33                             ` [PATCH v2 15/16] NFS: Handle NFS4ERR_NOT_SAME and NFSERR_BADCOOKIE from readdir calls trondmy
2020-11-03 15:33                               ` [PATCH v2 16/16] NFS: Improve handling of directory verifiers trondmy
2020-11-04 10:12                                 ` Mkrtchyan, Tigran
2020-11-04 17:21                                   ` Trond Myklebust
2020-11-03 15:55           ` [PATCH v2 05/16] NFS: Don't discard readdir results Benjamin Coddington
2020-11-03 16:14             ` Trond Myklebust
2020-11-04 16:14 ` [PATCH v2 00/16] Readdir enhancements Benjamin Coddington
2020-11-04 17:04   ` Trond Myklebust
2020-11-04 17:19     ` Benjamin Coddington [this message]

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