From: "J. Bruce Fields" <bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
To: Steve French <smfrench-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Jeff Layton <jlayton-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Shirish Pargaonkar
<shirishpargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-cifs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] cifs: Allow nfsd over cifs
Date: Tue, 1 Mar 2011 15:34:45 -0500 [thread overview]
Message-ID: <20110301203445.GE20599@fieldses.org> (raw)
In-Reply-To: <AANLkTikc2GAe1+jRyuJGEJ8i5EBtoO-dayocL2yATMWQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, Mar 01, 2011 at 02:11:32PM -0600, Steve French wrote:
> I vaguely remember that the same problem can occur with nfsd on a
> local file system
Not true; as I've said, exportable local filesystems know how to look up
a file on disk by filehandle.
> and that nfs clients have to be able to recover from
> ESTALE (e.g. lookup/delete/create/lookup would fail with ESTALE
> otherwise).
It is true, however, that there are some *other* cases when a server can
return ESTALE. In those cases (such as the one Peter Staubach discusses
in more detail at http://lwn.net/Articles/272684/) there may be some
recovery that a client might reasonably attempt.
Alas, no client can be expected to recover from ESTALE errors on an
opened file--those will just be passed on to the application.
--b.
next prev parent reply other threads:[~2011-03-01 20:34 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-28 21:52 [PATCH] cifs: Allow nfsd over cifs shirishpargaonkar-Re5JQEeQqe8AvxtiuMwx3w
[not found] ` <1298929961-5541-1-git-send-email-shirishpargaonkar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2011-02-28 22:49 ` J. Bruce Fields
[not found] ` <20110228224957.GB14237-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-02-28 22:58 ` Steve French
[not found] ` <AANLkTimDd-m388VJTC1zJtf3Q7LkFcsvNuwcY6vRwt7K-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-02-28 23:42 ` J. Bruce Fields
[not found] ` <20110228234225.GC14237-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-02-28 23:52 ` Steve French
[not found] ` <AANLkTikeSEYOs_nzno40eM0ZSrStMqcziPzWGRViT5M--JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-02-28 23:59 ` J. Bruce Fields
[not found] ` <20110228235910.GD14237-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-01 2:33 ` Steve French
[not found] ` <AANLkTinFwcBMmPpn0_30Bjaa+0ipoJ6qrM=u1TGQ+Q8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-01 3:28 ` J. Bruce Fields
[not found] ` <20110301032808.GA17725-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-01 18:07 ` J. Bruce Fields
[not found] ` <20110301180700.GC20599-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-01 18:30 ` Shirish Pargaonkar
[not found] ` <AANLkTikNH0ujA-qram1=1JEqJ7DH6dLRR723YZgJde1+-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-01 19:21 ` J. Bruce Fields
[not found] ` <20110301192102.GD20599-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-01 20:09 ` Jeff Layton
[not found] ` <20110301150949.6ca5b880-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2011-03-01 20:11 ` Steve French
[not found] ` <AANLkTikc2GAe1+jRyuJGEJ8i5EBtoO-dayocL2yATMWQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-01 20:31 ` Jeff Layton
[not found] ` <20110301153111.6673e191-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2011-03-01 20:37 ` Steve French
2011-03-01 20:34 ` J. Bruce Fields [this message]
[not found] ` <20110301203445.GE20599-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-01 20:38 ` Steve French
[not found] ` <AANLkTikaGd6EzNBWkYrJM3upP4fnBUx4p7c_29cLReLX-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-01 20:48 ` J. Bruce Fields
[not found] ` <20110301204807.GF20599-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org>
2011-03-16 15:30 ` Jeff Layton
[not found] ` <4D80DAA5.6030106@likewise.com>
[not found] ` <AANLkTik9hN2jVW6+=LnwY1xaCLqGBW6-BeG-=dmZgCnr@mail.gmail.com>
[not found] ` <AANLkTikA6akj7GDM_H7ndbMvPc6rnRtZ_i_zEHMrG31H@mail.gmail.com>
[not found] ` <AANLkTinbOJRmrudrCyQ9zHTSUr69RV-1NTyoc1NOFAjz@mail.gmail.com>
[not found] ` <AANLkTincOKZ5YjN9cKYaTByu7DST7bzQvO5XESsStTDh@mail.gmail.com>
[not found] ` <AANLkTi=2EpL2F=+t0eDuGv_OrkxtgNxxu02_iv+ashbU@mail.gmail.com>
[not found] ` <AANLkTimLAg74dVMZqOrZ60CYe_94Q1ihwWGq7DaDTVyG@mail.gmail.com>
[not found] ` <AANLkTin+NAGqF5EJjVJZ1tW62tQcjmJLP8njfGLqsFZQ@mail.gmail.com>
[not found] ` <AANLkTinUiU47-621kVwignvL0Dud1nTYc1RhnHMKQQz2@mail.gmail.com>
[not found] ` <AANLkTi=St7RiwyEy0Fq-P16cfSTEvN0-BEgWC4NOsujx@mail.gmail.com>
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[not found] ` <AANLkTimYByiDRRjwrcNM+HKK6t_hgoS_oWn3hXVbzkF+@mail.gmail.com>
[not found] ` <AANLkTi=0aG4iOtJPxe2zZnx9hW2DUGGArnR6s_jioZ=E@mail.gmail.com>
[not found] ` <AANLkTimsD73JRzhFTycYKZBcgL9q3VjA1Dpj8judwWFE@mail.gmail.com>
[not found] ` <AANLkTikcSyXoqbBKG+0iyX1zN=TfYQ5dTH9BTSoLg-42@mail.gmail.com>
[not found] ` <AANLkTikcSyXoqbBKG+0iyX1zN=TfYQ5dTH9BTSoLg-42-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-23 17:57 ` Steve French
2011-03-01 5:17 ` Shirish Pargaonkar
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