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Registered in England and Wales under Company Registration No. 3798903 Subject: [PATCH 08/23] nfs: stash nfs_subversion reference into nfs_mount_info From: David Howells To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com Cc: Al Viro , dhowells@redhat.com, viro@zeniv.linux.org.uk, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 23 May 2019 17:17:02 +0100 Message-ID: <155862822265.26654.2410384551874971260.stgit@warthog.procyon.org.uk> In-Reply-To: <155862813755.26654.563679411147031501.stgit@warthog.procyon.org.uk> References: <155862813755.26654.563679411147031501.stgit@warthog.procyon.org.uk> User-Agent: StGit/unknown-version MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 23 May 2019 16:17:04 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Al Viro That will allow to get rid of passing those references around in quite a few places. Moreover, that will allow to merge xdev and remote file_system_type. Reviewed-by: David Howells Signed-off-by: Al Viro --- fs/nfs/internal.h | 1 + fs/nfs/namespace.c | 6 +++--- fs/nfs/nfs4super.c | 1 + fs/nfs/super.c | 1 + 4 files changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 496a0e03f2b2..62af450bb91a 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -149,6 +149,7 @@ struct nfs_mount_info { struct nfs_clone_mount *cloned; struct nfs_server *server; struct nfs_fh *mntfh; + struct nfs_subversion *nfs_mod; }; extern int nfs_mount(struct nfs_mount_request *info); diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 9622575682da..476f4c0d5542 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -232,8 +232,8 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh, .set_security = nfs_clone_sb_security, .cloned = &mountdata, .mntfh = fh, + .nfs_mod = NFS_SB(sb)->nfs_client->cl_nfs_mod, }; - struct nfs_subversion *nfs_mod = NFS_SB(sb)->nfs_client->cl_nfs_mod; struct nfs_server *server; struct vfsmount *mnt; char *page = (char *) __get_free_page(GFP_USER); @@ -242,8 +242,8 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh, if (page == NULL) return ERR_PTR(-ENOMEM); - server = nfs_mod->rpc_ops->clone_server(NFS_SB(sb), fh, - fattr, authflavor); + server = mount_info.nfs_mod->rpc_ops->clone_server(NFS_SB(sb), fh, + fattr, authflavor); if (IS_ERR(server)) return ERR_CAST(server); diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c index 1710df8240fb..25253c235fba 100644 --- a/fs/nfs/nfs4super.c +++ b/fs/nfs/nfs4super.c @@ -247,6 +247,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type, .fill_super = nfs_fill_super, .set_security = nfs_clone_sb_security, .cloned = data, + .nfs_mod = &nfs_v4, }; struct dentry *res; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index f0a8f1da394b..c76b4fe73fab 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2713,6 +2713,7 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type, mntroot = ERR_CAST(nfs_mod); goto out; } + mount_info.nfs_mod = nfs_mod; mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info, nfs_mod);