On Fri, Jul 26, 2013 at 07:11:53AM -0400, Jeff Layton wrote:
> On Wed, 17 Jul 2013 16:50:15 -0400
> "J. Bruce Fields" <bfields@xxxxxxxxxx> wrote:
>
> > From: "J. Bruce Fields" <bfields@xxxxxxxxxx>
> >
> > This is basically a no-op, to simplify a following patch.
> >
> > Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
> > ---
> > fs/nfsd/nfs4proc.c | 36 ++++++++++++++++++++----------------
> > 1 file changed, 20 insertions(+), 16 deletions(-)
> >
> > diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
> > index a7cee86..4c0cbeb 100644
> > --- a/fs/nfsd/nfs4proc.c
> > +++ b/fs/nfsd/nfs4proc.c
> > @@ -230,17 +230,17 @@ static void nfsd4_set_open_owner_reply_cache(struct nfsd4_compound_state *cstate
> > }
> >
> > static __be32
> > -do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, struct nfsd4_open *open)
> > +do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state
> > +*cstate, struct nfsd4_open *open, struct svc_fh **resfh)
> ^^^
> nit: weird indentation here
Thanks, fixed.--b.
>
> > {
> > struct svc_fh *current_fh = &cstate->current_fh;
> > - struct svc_fh *resfh;
> > int accmode;
> > __be32 status;
> >
> > - resfh = kmalloc(sizeof(struct svc_fh), GFP_KERNEL);
> > - if (!resfh)
> > + *resfh = kmalloc(sizeof(struct svc_fh), GFP_KERNEL);
> > + if (!*resfh)
> > return nfserr_jukebox;
> > - fh_init(resfh, NFS4_FHSIZE);
> > + fh_init(*resfh, NFS4_FHSIZE);
> > open->op_truncate = 0;
> >
> > if (open->op_create) {
> > @@ -265,7 +265,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, stru
> > */
> > status = do_nfsd_create(rqstp, current_fh, open->op_fname.data,
> > open->op_fname.len, &open->op_iattr,
> > - resfh, open->op_createmode,
> > + *resfh, open->op_createmode,
> > (u32 *)open->op_verf.data,
> > &open->op_truncate, &open->op_created);
> >
> > @@ -282,29 +282,26 @@ do_open_lookup(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, stru
> > FATTR4_WORD1_TIME_MODIFY);
> > } else {
> > status = nfsd_lookup(rqstp, current_fh,
> > - open->op_fname.data, open->op_fname.len, resfh);
> > + open->op_fname.data, open->op_fname.len, *resfh);
> > fh_unlock(current_fh);
> > }
> > if (status)
> > goto out;
> > - status = nfsd_check_obj_isreg(resfh);
> > + status = nfsd_check_obj_isreg(*resfh);
> > if (status)
> > goto out;
> >
> > if (is_create_with_attrs(open) && open->op_acl != NULL)
> > - do_set_nfs4_acl(rqstp, resfh, open->op_acl, open->op_bmval);
> > + do_set_nfs4_acl(rqstp, *resfh, open->op_acl, open->op_bmval);
> >
> > - nfsd4_set_open_owner_reply_cache(cstate, open, resfh);
> > + nfsd4_set_open_owner_reply_cache(cstate, open, *resfh);
> > accmode = NFSD_MAY_NOP;
> > if (open->op_created ||
> > open->op_claim_type == NFS4_OPEN_CLAIM_DELEGATE_CUR)
> > accmode |= NFSD_MAY_OWNER_OVERRIDE;
> > - status = do_open_permission(rqstp, resfh, open, accmode);
> > + status = do_open_permission(rqstp, *resfh, open, accmode);
> > set_change_info(&open->op_cinfo, current_fh);
> > - fh_dup2(current_fh, resfh);
> > out:
> > - fh_put(resfh);
> > - kfree(resfh);
> > return status;
> > }
> >
> > @@ -357,6 +354,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
> > struct nfsd4_open *open)
> > {
> > __be32 status;
> > + struct svc_fh *resfh = NULL;
> > struct nfsd4_compoundres *resp;
> > struct net *net = SVC_NET(rqstp);
> > struct nfsd_net *nn = net_generic(net, nfsd_net_id);
> > @@ -423,7 +421,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
> > switch (open->op_claim_type) {
> > case NFS4_OPEN_CLAIM_DELEGATE_CUR:
> > case NFS4_OPEN_CLAIM_NULL:
> > - status = do_open_lookup(rqstp, cstate, open);
> > + status = do_open_lookup(rqstp, cstate, open, &resfh);
> > if (status)
> > goto out;
> > break;
> > @@ -439,6 +437,7 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
> > status = do_open_fhandle(rqstp, cstate, open);
> > if (status)
> > goto out;
> > + resfh = &cstate->current_fh;
> > break;
> > case NFS4_OPEN_CLAIM_DELEG_PREV_FH:
> > case NFS4_OPEN_CLAIM_DELEGATE_PREV:
> > @@ -458,9 +457,14 @@ nfsd4_open(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
> > * successful, it (1) truncates the file if open->op_truncate was
> > * set, (2) sets open->op_stateid, (3) sets open->op_delegation.
> > */
> > - status = nfsd4_process_open2(rqstp, &cstate->current_fh, open);
> > + status = nfsd4_process_open2(rqstp, resfh, open);
> > WARN_ON(status && open->op_created);
> > out:
> > + if (resfh && resfh != &cstate->current_fh) {
> > + fh_dup2(&cstate->current_fh, resfh);
> > + fh_put(resfh);
> > + kfree(resfh);
> > + }
> > nfsd4_cleanup_open_state(open, status);
> > if (open->op_openowner && !nfsd4_has_session(cstate))
> > cstate->replay_owner = &open->op_openowner->oo_owner;
>
> Acked-by: Jeff Layton <jlayton@xxxxxxxxxx>
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