Linux-NFS Archive on lore.kernel.org
 help / color / Atom feed
From: Scott Mayhew <smayhew@redhat.com>
To: trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc: dhowells@redhat.com, viro@zeniv.linux.org.uk,
	linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 09/26] nfs: don't bother passing nfs_subversion to ->try_mount() and nfs_fs_mount_common()
Date: Tue,  3 Sep 2019 16:31:58 -0400
Message-ID: <20190903203215.9157-10-smayhew@redhat.com> (raw)
In-Reply-To: <20190903203215.9157-1-smayhew@redhat.com>

From: Al Viro <viro@zeniv.linux.org.uk>

Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/nfs/internal.h       |  6 ++----
 fs/nfs/nfs4_fs.h        |  2 +-
 fs/nfs/nfs4super.c      |  5 ++---
 fs/nfs/super.c          | 19 ++++++++-----------
 include/linux/nfs_xdr.h |  3 +--
 5 files changed, 14 insertions(+), 21 deletions(-)

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 0c42cf685d4b..3334d0f3ecf9 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -401,12 +401,10 @@ extern struct file_system_type nfs_xdev_fs_type;
 extern struct file_system_type nfs4_referral_fs_type;
 #endif
 bool nfs_auth_info_match(const struct nfs_auth_info *, rpc_authflavor_t);
-struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *,
-			struct nfs_subversion *);
+struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *);
 int nfs_set_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *);
 int nfs_clone_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *);
-struct dentry *nfs_fs_mount_common(int, const char *,
-				   struct nfs_mount_info *, struct nfs_subversion *);
+struct dentry *nfs_fs_mount_common(int, const char *, struct nfs_mount_info *);
 struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *);
 struct dentry * nfs_xdev_mount_common(struct file_system_type *, int,
 		const char *, struct nfs_mount_info *);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 3564da1ba8a1..67ecd7bb512f 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -517,7 +517,7 @@ extern const nfs4_stateid invalid_stateid;
 /* nfs4super.c */
 struct nfs_mount_info;
 extern struct nfs_subversion nfs_v4;
-struct dentry *nfs4_try_mount(int, const char *, struct nfs_mount_info *, struct nfs_subversion *);
+struct dentry *nfs4_try_mount(int, const char *, struct nfs_mount_info *);
 extern bool nfs4_disable_idmapping;
 extern unsigned short max_session_slots;
 extern unsigned short max_session_cb_slots;
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 88d83cab8e9b..83bca2ea566c 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -98,7 +98,7 @@ static struct dentry *
 nfs4_remote_mount(struct file_system_type *fs_type, int flags,
 		  const char *dev_name, void *info)
 {
-	return nfs_fs_mount_common(flags, dev_name, info, &nfs_v4);
+	return nfs_fs_mount_common(flags, dev_name, info);
 }
 
 struct nfs_referral_count {
@@ -216,8 +216,7 @@ static struct dentry *do_nfs4_mount(struct nfs_server *server, int flags,
 }
 
 struct dentry *nfs4_try_mount(int flags, const char *dev_name,
-			      struct nfs_mount_info *mount_info,
-			      struct nfs_subversion *nfs_mod)
+			      struct nfs_mount_info *mount_info)
 {
 	struct nfs_parsed_mount_data *data = mount_info->parsed;
 	struct dentry *res;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 2a6b4e4b0a2d..ca6295945880 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1893,15 +1893,15 @@ static struct nfs_server *nfs_try_mount_request(struct nfs_mount_info *mount_inf
 }
 
 struct dentry *nfs_try_mount(int flags, const char *dev_name,
-			     struct nfs_mount_info *mount_info,
-			     struct nfs_subversion *nfs_mod)
+			     struct nfs_mount_info *mount_info)
 {
+	struct nfs_subversion *nfs_mod = mount_info->nfs_mod;
 	if (mount_info->parsed->need_mount)
 		mount_info->server = nfs_try_mount_request(mount_info, nfs_mod);
 	else
 		mount_info->server = nfs_mod->rpc_ops->create_server(mount_info, nfs_mod);
 
-	return nfs_fs_mount_common(flags, dev_name, mount_info, nfs_mod);
+	return nfs_fs_mount_common(flags, dev_name, mount_info);
 }
 EXPORT_SYMBOL_GPL(nfs_try_mount);
 
@@ -2623,8 +2623,7 @@ int nfs_clone_sb_security(struct super_block *s, struct dentry *mntroot,
 EXPORT_SYMBOL_GPL(nfs_clone_sb_security);
 
 struct dentry *nfs_fs_mount_common(int flags, const char *dev_name,
-				   struct nfs_mount_info *mount_info,
-				   struct nfs_subversion *nfs_mod)
+				   struct nfs_mount_info *mount_info)
 {
 	struct super_block *s;
 	struct dentry *mntroot = ERR_PTR(-ENOMEM);
@@ -2652,7 +2651,8 @@ struct dentry *nfs_fs_mount_common(int flags, const char *dev_name,
 			sb_mntdata.mntflags |= SB_SYNCHRONOUS;
 
 	/* Get a superblock - note that we may end up sharing one that already exists */
-	s = sget(nfs_mod->nfs_fs, compare_super, nfs_set_super, flags, &sb_mntdata);
+	s = sget(mount_info->nfs_mod->nfs_fs, compare_super, nfs_set_super,
+		 flags, &sb_mntdata);
 	if (IS_ERR(s)) {
 		mntroot = ERR_CAST(s);
 		goto out_err_nosb;
@@ -2738,7 +2738,7 @@ struct dentry *nfs_fs_mount(struct file_system_type *fs_type,
 	}
 	mount_info.nfs_mod = nfs_mod;
 
-	mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info, nfs_mod);
+	mntroot = nfs_mod->rpc_ops->try_mount(flags, dev_name, &mount_info);
 
 	put_nfs_version(nfs_mod);
 out:
@@ -2772,10 +2772,7 @@ static struct dentry *
 nfs_xdev_mount(struct file_system_type *fs_type, int flags,
 		const char *dev_name, void *raw_data)
 {
-	struct nfs_mount_info *info = raw_data;
-	struct nfs_subversion *nfs_mod = NFS_SB(info->cloned->sb)->nfs_client->cl_nfs_mod;
-
-	return nfs_fs_mount_common(flags, dev_name, info, nfs_mod);
+	return nfs_fs_mount_common(flags, dev_name, raw_data);
 }
 
 #if IS_ENABLED(CONFIG_NFS_V4)
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 9b8324ec08f3..4fdf4a523185 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1638,8 +1638,7 @@ struct nfs_rpc_ops {
 			    struct nfs_fsinfo *);
 	struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
 				      struct nfs_fh *, struct nfs_fattr *);
-	struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
-				     struct nfs_subversion *);
+	struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *);
 	int	(*getattr) (struct nfs_server *, struct nfs_fh *,
 			    struct nfs_fattr *, struct nfs4_label *,
 			    struct inode *);
-- 
2.17.2


  parent reply index

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-03 20:31 [PATCH v2 00/26] nfs: Mount API conversion Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 01/26] saner calling conventions for nfs_fs_mount_common() Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 02/26] nfs: stash server into struct nfs_mount_info Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 03/26] nfs: lift setting mount_info from nfs4_remote{,_referral}_mount Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 04/26] nfs: fold nfs4_remote_fs_type and nfs4_remote_referral_fs_type Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 05/26] nfs: don't bother setting/restoring export_path around do_nfs_root_mount() Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 06/26] nfs4: fold nfs_do_root_mount/nfs_follow_remote_path Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 07/26] nfs: lift setting mount_info from nfs_xdev_mount() Scott Mayhew
2019-09-03 20:31 ` [PATCH v2 08/26] nfs: stash nfs_subversion reference into nfs_mount_info Scott Mayhew
2019-09-03 20:31 ` Scott Mayhew [this message]
2019-09-03 20:31 ` [PATCH v2 10/26] nfs: merge xdev and remote file_system_type Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 11/26] nfs: unexport nfs_fs_mount_common() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 12/26] nfs: don't pass nfs_subversion to ->create_server() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 13/26] nfs: get rid of mount_info ->fill_super() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 14/26] nfs_clone_sb_security(): simplify the check for server bogosity Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 15/26] nfs: get rid of ->set_security() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 16/26] NFS: Move mount parameterisation bits into their own file Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 17/26] NFS: Constify mount argument match tables Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 18/26] NFS: Rename struct nfs_parsed_mount_data to struct nfs_fs_context Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 19/26] NFS: Split nfs_parse_mount_options() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 20/26] NFS: Deindent nfs_fs_context_parse_option() Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 21/26] NFS: Add a small buffer in nfs_fs_context to avoid string dup Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 22/26] NFS: Do some tidying of the parsing code Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 23/26] NFS: rename nfs_fs_context pointer arg in a few functions Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 24/26] NFS: Convert mount option parsing to use functionality from fs_parser.h Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 25/26] NFS: Add fs_context support Scott Mayhew
2019-09-03 20:32 ` [PATCH v2 26/26] NFS: Attach supplementary error information to fs_context Scott Mayhew

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190903203215.9157-10-smayhew@redhat.com \
    --to=smayhew@redhat.com \
    --cc=anna.schumaker@netapp.com \
    --cc=dhowells@redhat.com \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nfs@vger.kernel.org \
    --cc=trond.myklebust@hammerspace.com \
    --cc=viro@zeniv.linux.org.uk \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-NFS Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-nfs/0 linux-nfs/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-nfs linux-nfs/ https://lore.kernel.org/linux-nfs \
		linux-nfs@vger.kernel.org linux-nfs@archiver.kernel.org
	public-inbox-index linux-nfs

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-nfs


AGPL code for this site: git clone https://public-inbox.org/ public-inbox