From: Fred Isaman <iisaman@netapp.com>
To: Benny Halevy <bhalevy@panasas.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 16/22] pnfs-submit: rewrite of layout state handling and cb_layoutrecall
Date: Mon, 15 Nov 2010 09:28:38 -0500 [thread overview]
Message-ID: <AANLkTi=5w_okZeO3K7Ar5mm7sCnD+P4fsi8Lqy115XUT@mail.gmail.com> (raw)
In-Reply-To: <4CDFCCFB.4000402@panasas.com>
On Sun, Nov 14, 2010 at 6:50 AM, Benny Halevy <bhalevy@panasas.com> wro=
te:
> On 2010-11-14 13:44, Benny Halevy wrote:
>> On 2010-11-13 11:11, Trond Myklebust wrote:
>>> On Fri, 2010-11-12 at 03:48 -0500, Fred Isaman wrote:
>>>> + =A0 switch (cb_args->cbl_recall_type) {
>>>> + =A0 case RETURN_ALL:
>>>> + =A0 =A0 =A0 =A0 =A0 return true;
>>>> + =A0 case RETURN_FSID:
>>>> + =A0 =A0 =A0 =A0 =A0 return !memcmp(&NFS_SERVER(ino)->fsid, &cb_a=
rgs->cbl_fsid,
>>>> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0sizeof(struct=
nfs_fsid));
>>>> + =A0 case RETURN_FILE:
>>>> + =A0 =A0 =A0 =A0 =A0 return (ino =3D=3D cb_info->pcl_ino) &&
>>>> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 should_free_lseg(range, &cb_=
args->cbl_range);
>>>> + =A0 default:
>>>> + =A0 =A0 =A0 =A0 =A0 BUG();
>>>
>>> Why should we BUG() just because the server is screwed up? That's n=
ot a
>>> client bug.
>>>
>>
>> Agreed. =A0This should be handled earlier in nfs4_callback_layoutrec=
all
>> or do_callback_layoutrecall so that we can return NFS4ERR_INVALID.
>>
>
> Actually NFS4ERR_BADXDR is the right error to return for a
> "value within the input stream that is not valid for the enum"
>
> Benny
OK.
=46red
> --
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next prev parent reply other threads:[~2010-11-15 14:28 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 8:48 [PATCH 00/22] rewrite of CB_LAYOUTRECALL and layoutstate code, try 2 Fred Isaman
2010-11-12 8:48 ` [PATCH 01/22] pnfs-submit: remove RPC_ASSASSINATED(task) checks Fred Isaman
2010-11-12 8:48 ` [PATCH 02/22] pnfs-submit: remove unnecessary field lgp->status Fred Isaman
2010-11-12 8:48 ` [PATCH 03/22] pnfs-submit: layoutreturn's rpc_call_op functions need to handle bulk returns Fred Isaman
2010-11-12 8:48 ` [PATCH 04/22] pnfs-submit: argument to should_free_lseg changed from lseg to range Fred Isaman
2010-11-12 8:48 ` [PATCH 05/22] pnfs-submit: change layout state seqlock to a spinlock Fred Isaman
2010-11-12 8:48 ` [PATCH 06/22] NFSv4.1: Callback share session between ops Fred Isaman
2010-11-12 8:48 ` [PATCH 07/22] SQUASHME: pnfs-submit: fixups for nfsv4.1 callbacks Fred Isaman
2010-11-12 8:48 ` [PATCH 08/22] SQUASHME: allow cb_sequence changes to compile without v4.1 Fred Isaman
2010-11-14 12:05 ` Benny Halevy
2010-11-15 15:07 ` Fred Isaman
2010-11-12 8:48 ` [PATCH 09/22] pnfs-submit: change pnfs_layout_segment refcounting from kref to atomic_t Fred Isaman
2010-11-12 8:48 ` [PATCH 10/22] pnfs-submit: Have LAYOUTGETS wait when lo->plh_block_lgets is set Fred Isaman
2010-11-12 8:48 ` [PATCH 11/22] pnfs-submit: remove _pnfs_can_return_lseg call from pnfs_clear_lseg_list Fred Isaman
2010-11-12 8:48 ` [PATCH 12/22] pnfs_submit: nfs4_layoutreturn_release should not reference results Fred Isaman
2010-11-12 8:48 ` [PATCH 13/22] pnfs-submit: reorganize struct cb_layoutrecallargs Fred Isaman
2010-11-12 8:48 ` [PATCH 14/22] pnfs-submit: rename lo->state to lo->plh_flags Fred Isaman
2010-11-12 8:48 ` [PATCH 15/22] pnfs-submit: change pnfs_layout_hdr refcount to atomic_t Fred Isaman
2010-11-12 8:48 ` [PATCH 16/22] pnfs-submit: rewrite of layout state handling and cb_layoutrecall Fred Isaman
2010-11-13 9:11 ` Trond Myklebust
2010-11-14 11:44 ` Benny Halevy
2010-11-14 11:50 ` Benny Halevy
2010-11-15 14:28 ` Fred Isaman [this message]
2010-11-14 15:43 ` Benny Halevy
2010-11-15 14:51 ` Fred Isaman
2010-11-15 16:17 ` Benny Halevy
2010-11-15 17:53 ` [nfsv4] " Fred Isaman
2010-11-15 19:19 ` Boaz Harrosh
2010-11-15 20:40 ` Fred Isaman
2010-11-16 9:54 ` Boaz Harrosh
2010-11-16 11:12 ` Boaz Harrosh
2010-11-17 17:53 ` Benny Halevy
2010-11-12 8:48 ` [PATCH 17/22] pnfs-submit: increase number of outstanding CB_LAYOUTRECALLS we can handle Fred Isaman
2010-11-12 8:48 ` [PATCH 18/22] pnfs-submit: roc add layoutreturn op to close compound Fred Isaman
2010-11-12 16:31 ` Benny Halevy
2010-11-12 16:56 ` Fred Isaman
2010-11-14 10:54 ` Benny Halevy
2010-11-14 14:21 ` [PATCH] SQUASHME: pnfs-submit: encode layoutreturn on close before close Benny Halevy
2010-11-14 18:12 ` [PATCH 2/2] pnfs-submit: handle NFS4ERR_DELEG_REVOKED for LAYOUTRETURN Benny Halevy
2010-11-15 12:54 ` [PATCH 2/2 v2] " Benny Halevy
2010-11-15 15:02 ` [PATCH] SQUASHME: pnfs-submit: encode layoutreturn on close before close Fred Isaman
2010-11-15 15:34 ` Benny Halevy
2010-11-12 8:48 ` [PATCH 19/22] pnfs-submit refactor layoutcommit xdr structures Fred Isaman
2010-11-12 8:48 ` [PATCH 20/22] pnfs-submit refactor pnfs_layoutcommit_setup Fred Isaman
2010-11-12 8:48 ` [PATCH 21/22] pnfs_submit: roc add layoutcommit op to close compound Fred Isaman
2010-11-12 8:48 ` [PATCH 22/22] SQUASHME: make roc patches compile without v4.1 Fred Isaman
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