Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles

[RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · David Howells <dhowells@redhat.com> · 2021-09-24
[PATCH v3 1/9] mm: Remove the callback func argument from __swap_writepage() · David Howells <dhowells@redhat.com> · 2021-09-24
[PATCH v3 4/9] Introduce IOCB_SWAP kiocb flag to trigger REQ_SWAP · David Howells <dhowells@redhat.com> · 2021-09-24
Re: [PATCH v3 4/9] Introduce IOCB_SWAP kiocb flag to trigger REQ_SWAP · Dave Chinner <david@fromorbit.com> · 2021-09-26
[PATCH v3 5/9] mm: Make swap_readpage() for SWP_FS_OPS use ->swap_rw() not ->readpage() · David Howells <dhowells@redhat.com> · 2021-09-24
[PATCH v3 6/9] mm: Make __swap_writepage() do async DIO if asked for it · David Howells <dhowells@redhat.com> · 2021-09-24
[PATCH v3 8/9] block, btrfs, ext4, xfs: Implement swap_rw · David Howells <dhowells@redhat.com> · 2021-09-24
[PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · David Howells <dhowells@redhat.com> · 2021-09-24
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · Matthew Wilcox <willy@infradead.org> · 2021-09-25
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · David Howells <dhowells@redhat.com> · 2021-09-25
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · Matthew Wilcox <willy@infradead.org> · 2021-09-25
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · Damien Le Moal <hidden> · 2021-09-26
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · Dave Chinner <david@fromorbit.com> · 2021-09-27
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · Damien Le Moal <hidden> · 2021-09-27
Re: [PATCH v3 9/9] mm: Remove swap BIO paths and only use DIO paths · David Sterba <hidden> · 2021-09-27
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · Dave Chinner <david@fromorbit.com> · 2021-09-25
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · Matthew Wilcox <willy@infradead.org> · 2021-09-26
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · Dave Chinner <david@fromorbit.com> · 2021-09-26
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · David Sterba <hidden> · 2021-09-27
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · David Howells <dhowells@redhat.com> · 2021-09-29
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · NeilBrown <hidden> · 2021-09-28
Re: [RFC][PATCH v3 0/9] mm: Use DIO for swap and fix NFS swapfiles · Steve French <smfrench@gmail.com> · 2021-09-30

From: NeilBrown <hidden>
Date: 2021-09-28 03:11:48
Also in: ceph-devel, linux-btrfs, linux-cifs, linux-ext4, linux-fsdevel, linux-mm, linux-nfs, linux-xfs, lkml

On Sat, 25 Sep 2021, David Howells wrote:

Whilst trying to make this work, I found that NFS's support for swapfiles
seems to have been non-functional since Aug 2019 (I think), so the first
patch fixes that.  Question is: do we actually *want* to keep this
functionality, given that it seems that no one's tested it with an upstream
kernel in the last couple of years?

SUSE definitely want to keep this functionality.  We have customers
using it.
I agree it would be good if it was being tested somewhere....

Thanks,
NeilBrown

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