Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-qa0-f45.google.com ([209.85.216.45]:35698 "EHLO mail-qa0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752191AbaG3Bey (ORCPT ); Tue, 29 Jul 2014 21:34:54 -0400 Received: by mail-qa0-f45.google.com with SMTP id cm18so577347qab.32 for ; Tue, 29 Jul 2014 18:34:53 -0700 (PDT) From: Jeff Layton To: bfields@fieldses.org Cc: linux-nfs@vger.kernel.org, hch@infradead.org, Trond Myklebust Subject: [PATCH v3 03/38] nfsd: Add a struct nfs4_file field to struct nfs4_stid Date: Tue, 29 Jul 2014 21:34:08 -0400 Message-Id: <1406684083-19736-4-git-send-email-jlayton@primarydata.com> In-Reply-To: <1406684083-19736-1-git-send-email-jlayton@primarydata.com> References: <1406684083-19736-1-git-send-email-jlayton@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: From: Trond Myklebust All stateids are associated with a nfs4_file. Let's consolidate. Start by replacing delegation->dl_file with the dl_stid.sc_file Signed-off-by: Trond Myklebust Reviewed-by: Christoph Hellwig --- fs/nfsd/nfs4callback.c | 2 +- fs/nfsd/nfs4state.c | 21 ++++++++++----------- fs/nfsd/state.h | 2 +- 3 files changed, 12 insertions(+), 13 deletions(-) diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 8574c708cf8c..e0be57b0f79b 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -337,7 +337,7 @@ static void encode_cb_recall4args(struct xdr_stream *xdr, p = xdr_reserve_space(xdr, 4); *p++ = xdr_zero; /* truncate */ - encode_nfs_fh4(xdr, &dp->dl_file->fi_fhandle); + encode_nfs_fh4(xdr, &dp->dl_stid.sc_file->fi_fhandle); hdr->nops++; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 60ab22b6e099..d6b0ef4e90fe 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -515,10 +515,6 @@ static struct nfs4_ol_stateid * nfs4_alloc_stateid(struct nfs4_client *clp) static void nfs4_free_deleg(struct nfs4_stid *stid) { - struct nfs4_delegation *dp = delegstateid(stid); - - if (dp->dl_file) - put_nfs4_file(dp->dl_file); kmem_cache_free(deleg_slab, stid); atomic_long_dec(&num_delegations); } @@ -636,12 +632,15 @@ out_dec: void nfs4_put_stid(struct nfs4_stid *s) { + struct nfs4_file *fp = s->sc_file; struct nfs4_client *clp = s->sc_client; if (!atomic_dec_and_test(&s->sc_count)) return; idr_remove(&clp->cl_stateids, s->sc_stateid.si_opaque.so_id); s->sc_free(s); + if (fp) + put_nfs4_file(fp); } static void nfs4_put_deleg_lease(struct nfs4_file *fp) @@ -677,7 +676,7 @@ hash_delegation_locked(struct nfs4_delegation *dp, struct nfs4_file *fp) static void unhash_delegation_locked(struct nfs4_delegation *dp) { - struct nfs4_file *fp = dp->dl_file; + struct nfs4_file *fp = dp->dl_stid.sc_file; lockdep_assert_held(&state_lock); @@ -3097,10 +3096,10 @@ nfs4_share_conflict(struct svc_fh *current_fh, unsigned int deny_type) void nfsd4_prepare_cb_recall(struct nfs4_delegation *dp) { - struct nfs4_client *clp = dp->dl_stid.sc_client; - struct nfsd_net *nn = net_generic(clp->net, nfsd_net_id); + struct nfsd_net *nn = net_generic(dp->dl_stid.sc_client->net, + nfsd_net_id); - block_delegations(&dp->dl_file->fi_fhandle); + block_delegations(&dp->dl_stid.sc_file->fi_fhandle); /* * We can't do this in nfsd_break_deleg_cb because it is @@ -3508,7 +3507,7 @@ static struct file_lock *nfs4_alloc_init_lease(struct nfs4_file *fp, int flag) static int nfs4_setlease(struct nfs4_delegation *dp) { - struct nfs4_file *fp = dp->dl_file; + struct nfs4_file *fp = dp->dl_stid.sc_file; struct file_lock *fl; struct file *filp; int status = 0; @@ -3573,7 +3572,7 @@ nfs4_set_delegation(struct nfs4_client *clp, struct svc_fh *fh, get_nfs4_file(fp); spin_lock(&state_lock); spin_lock(&fp->fi_lock); - dp->dl_file = fp; + dp->dl_stid.sc_file = fp; if (!fp->fi_lease) { spin_unlock(&fp->fi_lock); spin_unlock(&state_lock); @@ -4167,7 +4166,7 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate, if (status) goto out; if (filpp) { - file = dp->dl_file->fi_deleg_file; + file = dp->dl_stid.sc_file->fi_deleg_file; if (!file) { WARN_ON_ONCE(1); status = nfserr_serverfault; diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 32c466265ac1..c856601c15f6 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -85,6 +85,7 @@ struct nfs4_stid { unsigned char sc_type; stateid_t sc_stateid; struct nfs4_client *sc_client; + struct nfs4_file *sc_file; void (*sc_free)(struct nfs4_stid *); }; @@ -93,7 +94,6 @@ struct nfs4_delegation { struct list_head dl_perfile; struct list_head dl_perclnt; struct list_head dl_recall_lru; /* delegation recalled */ - struct nfs4_file *dl_file; u32 dl_type; time_t dl_time; /* For recall: */ -- 1.9.3