Re: [PATCH v2 4/6] fs: report per-mount io stats

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On Mon, 28 Feb 2022 at 12:39, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
>
> Show optional collected per-mount io stats in /proc/<pid>/mountstats
> for filesystems that do not implement their own show_stats() method
> and opted-in to generic per-mount stats with FS_MOUNT_STATS flag.

This would allow some filesystems to report per-mount I/O stats, while
leaving CIFS and NFS reporting a different set of per-sb stats.  This
doesn't sound very clean.

There was an effort to create saner and more efficient interfaces for
per-mount info.  IMO this should be part of that effort instead of
overloading the old interface.

Thanks,
Miklos



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