[zfs-discuss] Does "inode i_version win" in Linux 4.16 affect ZFS too?

Richard Yao ryao at gentoo.org
Sun Apr 29 14:49:44 EDT 2018

As far as I can tell, ZFSOnLinux already had this optimization. The change in Linux 4.16 affected us only in that we needed a new autotools check to handle the change to the kernel VFS API:


> On Apr 29, 2018, at 11:57 AM, Stanislav Sergiienko via zfs-discuss <zfs-discuss at list.zfsonlinux.org> wrote:
> Hi,
> According to the https://www.phoronix.com/scan.php?page=news_item&px=Linux-4.16-inode-i_version-Win (and https://lkml.org/lkml/2018/1/29/230 ) there is an optimization in kernel 4.16 which reduce cases where inodes are updated and this results in a faster disk i/o for some cases.
> I'm wondering, does it affect ZFS too or only can help "regular" Linux filesystems?
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