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SubjectRe: add file system helpers that take kernel pointers for the init code v3
On Sun, Jul 26, 2020 at 05:52:04PM +0200, Christoph Hellwig wrote:
> On Sun, Jul 26, 2020 at 08:49:28AM -0700, Linus Torvalds wrote:
> > On Sun, Jul 26, 2020 at 12:14 AM Christoph Hellwig <hch@lst.de> wrote:
> > >
> > > Hi Al and Linus,
> > >
> > > currently a lot of the file system calls in the early in code (and the
> > > devtmpfs kthread) rely on the implicit set_fs(KERNEL_DS) during boot.
> > > This is one of the few last remaining places we need to deal with to kill
> > > off set_fs entirely, so this series adds new helpers that take kernel
> > > pointers. These helpers are in init/ and marked __init and thus will
> > > be discarded after bootup. A few also need to be duplicated in devtmpfs,
> > > though unfortunately.
> >
> > I see nothing objectionable here.
> >
> > The only bikeshed comment I have is that I think the "for_init.c" name
> > is ugly and pointless - I think you could just call it "fs/init.c" and
> > it's both simpler and more straightforward. It _is_ init code, it's
> > not "for" init.
>
> That was Al's suggestion. I personally don't care, so if between the
> two of you, you can come up with a preferred choice I'll switch to it.

I can live with either variant; the only problem with fs/init.c is that
such name would imply the init code _of_ VFS, rather than VFS helpers for
init.

Anyway, the series looks generally sane; if no other objections are raised,
I'm adding it to vfs.git#for-next

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