Re: [PATCH v3] introduce sys_syncfs to sync a single file system

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On Sat, 2011-03-12 at 02:33 +0100, Indan Zupancic wrote:
> > I think that you missed the point of the extension.
> >
> > Ric
> 
> The point is clear, it's to synchronize a specific file system instead
> of all of them.
> 
> But actually doing that from a program is harder than it looks, because
> programs work with files, not file systems. To make this feature useful
> the program needs meta information it can't easily get. That was my first
> point.

I had a program, actually a set of programs, which test a file-system.
And this set of programs needed such a feature quite a lot, to sync the
FS which is being tested and nothing else - for both performance reasons
and to put more stress to the FS under testing. We used -o remount, rw
for this - but this forced us to run under root.

IOW, there are programs which take a mount point as an input parameter
and want do things with the whole FS, not only individual files.

-- 
Best Regards,
Artem Bityutskiy (ÐÐÑÑÑÐÐÐ ÐÑÑÑÐ)

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