Return-Path: Received: from mail-it0-f65.google.com ([209.85.214.65]:55778 "EHLO mail-it0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751320AbeCTVDv (ORCPT ); Tue, 20 Mar 2018 17:03:51 -0400 Received: by mail-it0-f65.google.com with SMTP id e195-v6so4238967ita.5 for ; Tue, 20 Mar 2018 14:03:50 -0700 (PDT) From: Trond Myklebust To: Anna Schumaker Cc: linux-nfs@vger.kernel.org Subject: [PATCH 9/9] NFSv4: Fix the nfs_inode_set_delegation() arguments Date: Tue, 20 Mar 2018 17:03:13 -0400 Message-Id: <20180320210313.94429-10-trond.myklebust@primarydata.com> In-Reply-To: <20180320210313.94429-9-trond.myklebust@primarydata.com> References: <20180320210313.94429-1-trond.myklebust@primarydata.com> <20180320210313.94429-2-trond.myklebust@primarydata.com> <20180320210313.94429-3-trond.myklebust@primarydata.com> <20180320210313.94429-4-trond.myklebust@primarydata.com> <20180320210313.94429-5-trond.myklebust@primarydata.com> <20180320210313.94429-6-trond.myklebust@primarydata.com> <20180320210313.94429-7-trond.myklebust@primarydata.com> <20180320210313.94429-8-trond.myklebust@primarydata.com> <20180320210313.94429-9-trond.myklebust@primarydata.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: Neither nfs_inode_set_delegation() nor nfs_inode_reclaim_delegation() are generic code. They have no business delving into NFSv4 OPEN xdr structures, so let's replace the "struct nfs_openres" parameter. Signed-off-by: Trond Myklebust --- fs/nfs/delegation.c | 35 ++++++++++++++++++++++------------- fs/nfs/delegation.h | 6 ++++-- fs/nfs/nfs4proc.c | 12 ++++++++---- 3 files changed, 34 insertions(+), 19 deletions(-) diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c index a5cb44375100..1819d0d0ba4b 100644 --- a/fs/nfs/delegation.c +++ b/fs/nfs/delegation.c @@ -172,11 +172,15 @@ static int nfs_delegation_claim_opens(struct inode *inode, * nfs_inode_reclaim_delegation - process a delegation reclaim request * @inode: inode to process * @cred: credential to use for request - * @res: new delegation state from server + * @type: delegation type + * @stateid: delegation stateid + * @pagemod_limit: write delegation "space_limit" * */ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, - struct nfs_openres *res) + fmode_t type, + const nfs4_stateid *stateid, + unsigned long pagemod_limit) { struct nfs_delegation *delegation; struct rpc_cred *oldcred = NULL; @@ -186,9 +190,9 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, if (delegation != NULL) { spin_lock(&delegation->lock); if (delegation->inode != NULL) { - nfs4_stateid_copy(&delegation->stateid, &res->delegation); - delegation->type = res->delegation_type; - delegation->pagemod_limit = res->pagemod_limit; + nfs4_stateid_copy(&delegation->stateid, stateid); + delegation->type = type; + delegation->pagemod_limit = pagemod_limit; oldcred = delegation->cred; delegation->cred = get_rpccred(cred); clear_bit(NFS_DELEGATION_NEED_RECLAIM, @@ -196,14 +200,14 @@ void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, spin_unlock(&delegation->lock); rcu_read_unlock(); put_rpccred(oldcred); - trace_nfs4_reclaim_delegation(inode, res->delegation_type); + trace_nfs4_reclaim_delegation(inode, type); return; } /* We appear to have raced with a delegation return. */ spin_unlock(&delegation->lock); } rcu_read_unlock(); - nfs_inode_set_delegation(inode, cred, res); + nfs_inode_set_delegation(inode, cred, type, stateid, pagemod_limit); } static int nfs_do_return_delegation(struct inode *inode, struct nfs_delegation *delegation, int issync) @@ -330,11 +334,16 @@ nfs_update_inplace_delegation(struct nfs_delegation *delegation, * nfs_inode_set_delegation - set up a delegation on an inode * @inode: inode to which delegation applies * @cred: cred to use for subsequent delegation processing - * @res: new delegation state from server + * @type: delegation type + * @stateid: delegation stateid + * @pagemod_limit: write delegation "space_limit" * * Returns zero on success, or a negative errno value. */ -int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res) +int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, + fmode_t type, + const nfs4_stateid *stateid, + unsigned long pagemod_limit) { struct nfs_server *server = NFS_SERVER(inode); struct nfs_client *clp = server->nfs_client; @@ -346,9 +355,9 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct delegation = kmalloc(sizeof(*delegation), GFP_NOFS); if (delegation == NULL) return -ENOMEM; - nfs4_stateid_copy(&delegation->stateid, &res->delegation); - delegation->type = res->delegation_type; - delegation->pagemod_limit = res->pagemod_limit; + nfs4_stateid_copy(&delegation->stateid, stateid); + delegation->type = type; + delegation->pagemod_limit = pagemod_limit; delegation->change_attr = inode_peek_iversion_raw(inode); delegation->cred = get_rpccred(cred); delegation->inode = inode; @@ -393,7 +402,7 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct rcu_assign_pointer(nfsi->delegation, delegation); delegation = NULL; - trace_nfs4_set_delegation(inode, res->delegation_type); + trace_nfs4_set_delegation(inode, type); out: spin_unlock(&clp->cl_lock); diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index dcc8a783a6e1..bb1ef8c37af4 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -36,8 +36,10 @@ enum { NFS_DELEGATION_TEST_EXPIRED, }; -int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res); -void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, struct nfs_openres *res); +int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, + fmode_t type, const nfs4_stateid *stateid, unsigned long pagemod_limit); +void nfs_inode_reclaim_delegation(struct inode *inode, struct rpc_cred *cred, + fmode_t type, const nfs4_stateid *stateid, unsigned long pagemod_limit); int nfs4_inode_return_delegation(struct inode *inode); int nfs_async_inode_return_delegation(struct inode *inode, const nfs4_stateid *stateid); void nfs_inode_return_delegation_noreclaim(struct inode *inode); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 64dd0fa7afaa..6933109fa30f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1754,12 +1754,16 @@ nfs4_opendata_check_deleg(struct nfs4_opendata *data, struct nfs4_state *state) } if ((delegation_flags & 1UL<inode, - data->owner->so_cred, - &data->o_res); + data->owner->so_cred, + data->o_res.delegation_type, + &data->o_res.delegation, + data->o_res.pagemod_limit); else nfs_inode_reclaim_delegation(state->inode, - data->owner->so_cred, - &data->o_res); + data->owner->so_cred, + data->o_res.delegation_type, + &data->o_res.delegation, + data->o_res.pagemod_limit); } /* -- 2.14.3