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
> {
> 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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