On 9/4/19 3:38 PM, Chris Murphy wrote:
> On Wed, Sep 4, 2019 at 1:03 PM Chris Murphy <li...@colorremedies.com> wrote:
>> I'm skeptical of swapfiles for this use case, because it likely
>> increases the chance for file system disk contention, see section
>> 11.17
>> https://www.kernel.org/doc/gorman/html/understand/understand014.html
> Actually that looks outdated now.
>
> https://patchwork.kernel.org/patch/10347293/
>
> Btrfs since 5.0 also supports swapfiles by avoiding bmap, using
> btrfs_swap_activate, the btrfs equivalent of iomap_swap_activate

I misspoke when I said "file". It's an LVM logical volume.
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