Re: [PATCH 2/3] NFSv4: Ensure that we call FREE_STATEID when NFSv4.x stateids are revoked

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Hey Trond,

On 11/04/2014 06:36 PM, Trond Myklebust wrote:
> NFSv4.x (x>0) requires us to call TEST_STATEID+FREE_STATEID if a stateid is
> revoked. We will currently fail to do this if the stateid is a delegation.
>
> http://lkml.kernel.org/r/CAN-5tyHwG=Cn2Q9KsHWadewjpTTy_K26ee+UnSvHvG4192p-Xw@xxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
> ---
>  fs/nfs/nfs4proc.c | 8 --------
>  1 file changed, 8 deletions(-)
>
> diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
> index d8f352d8c75f..6cf49af3092d 100644
> --- a/fs/nfs/nfs4proc.c
> +++ b/fs/nfs/nfs4proc.c
> @@ -370,11 +370,6 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
>  		case -NFS4ERR_DELEG_REVOKED:
>  		case -NFS4ERR_ADMIN_REVOKED:
>  		case -NFS4ERR_BAD_STATEID:
> -			if (inode != NULL && nfs4_have_delegation(inode, FMODE_READ)) {
> -				nfs_remove_bad_delegation(inode);
> -				exception->retry = 1;
> -				break;
> -			}
>  			if (state == NULL)
>  				break;
>  			ret = nfs4_schedule_stateid_recovery(server, state);
> @@ -4849,9 +4844,6 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
>  		case -NFS4ERR_DELEG_REVOKED:
>  		case -NFS4ERR_ADMIN_REVOKED:
>  		case -NFS4ERR_BAD_STATEID:
> -			if (state == NULL)
> -				break;
> -			nfs_remove_bad_delegation(state->inode);

Does filelayout_async_handle_error() need to be updated in the same way?  They are the only remaining caller of nfs_remove_bad_delegation().

Thanks,
Anna

>  		case -NFS4ERR_OPENMODE:
>  			if (state == NULL)
>  				break;

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