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SubjectRe: [PATCH 01/24] lustre: rip the private symlink nesting limit out
On Mon, Apr 20, 2015 at 01:08:16PM -0600, Andreas Dilger wrote:
> On Apr 20, 2015, at 12:12 PM, Al Viro <> wrote:
> >
> > From: Al Viro <>
> >
> > Signed-off-by: Al Viro <>
> Al, the patch itself looks good, thanks.
> However, if this is applied at the start of the series it could
> allow tests to easily cause a stack overflow during a bisection (I
> don't think users would see a kernel in the middle of the series).
> Could this be converted over to checking nd->link_count along with
> the [02/24] patch until closer to the end of the series when the
> recursion has been removed?

Er... You do realize that struct nameidata is opaque for anything outside
of fs/namei.c and has been that way for a while now? Sure, we can export
a helper that would return that and rip it out in the end of the series,

> It isn't fatal if that doesn't happen, since this whole series should
> land at one time and the chance of testing Lustre symlinks right
> in the middle of the series is low, just something I thought when
> reviewing the patch.

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