From: Scott Mayhew <smayhew@redhat.com>
To: anna.schumaker@netapp.com, trond.myklebust@hammerspace.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 v4 10/26] nfs: merge xdev and remote file_system_type
Date: Fri, 13 Sep 2019 08:17:32 -0400 [thread overview]
Message-ID: <20190913121748.25391-11-smayhew@redhat.com> (raw)
In-Reply-To: <20190913121748.25391-1-smayhew@redhat.com>
From: Al Viro <viro@zeniv.linux.org.uk>
they are identical now...
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/nfs/internal.h | 2 +-
fs/nfs/namespace.c | 2 +-
fs/nfs/nfs4super.c | 22 +---------------------
fs/nfs/super.c | 14 ++++++++------
4 files changed, 11 insertions(+), 29 deletions(-)
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 3334d0f3ecf9..ac3478827a83 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -396,7 +396,7 @@ extern int nfs_wait_atomic_killable(atomic_t *p, unsigned int mode);
/* super.c */
extern const struct super_operations nfs_sops;
extern struct file_system_type nfs_fs_type;
-extern struct file_system_type nfs_xdev_fs_type;
+extern struct file_system_type nfs_prepared_fs_type;
#if IS_ENABLED(CONFIG_NFS_V4)
extern struct file_system_type nfs4_referral_fs_type;
#endif
diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c
index 0d0587ed7d94..970f92a860ed 100644
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -254,7 +254,7 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh,
if (IS_ERR(devname))
mnt = ERR_CAST(devname);
else
- mnt = vfs_submount(dentry, &nfs_xdev_fs_type, devname, &mount_info);
+ mnt = vfs_submount(dentry, &nfs_prepared_fs_type, devname, &mount_info);
if (mount_info.server)
nfs_free_server(mount_info.server);
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 83bca2ea566c..5bca30f704e4 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -18,19 +18,9 @@
static int nfs4_write_inode(struct inode *inode, struct writeback_control *wbc);
static void nfs4_evict_inode(struct inode *inode);
-static struct dentry *nfs4_remote_mount(struct file_system_type *fs_type,
- int flags, const char *dev_name, void *raw_data);
static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *raw_data);
-static struct file_system_type nfs4_remote_fs_type = {
- .owner = THIS_MODULE,
- .name = "nfs4",
- .mount = nfs4_remote_mount,
- .kill_sb = nfs_kill_super,
- .fs_flags = FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
-};
-
struct file_system_type nfs4_referral_fs_type = {
.owner = THIS_MODULE,
.name = "nfs4",
@@ -91,16 +81,6 @@ static void nfs4_evict_inode(struct inode *inode)
nfs_clear_inode(inode);
}
-/*
- * Get the superblock for the NFS4 root partition
- */
-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);
-}
-
struct nfs_referral_count {
struct list_head list;
const struct task_struct *task;
@@ -194,7 +174,7 @@ static struct dentry *do_nfs4_mount(struct nfs_server *server, int flags,
else
snprintf(root_devname, len, "%s:/", hostname);
info->server = server;
- root_mnt = vfs_kern_mount(&nfs4_remote_fs_type, flags, root_devname, info);
+ root_mnt = vfs_kern_mount(&nfs_prepared_fs_type, flags, root_devname, info);
if (info->server)
nfs_free_server(info->server);
info->server = NULL;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index ca6295945880..d80992d2b6fe 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -293,7 +293,7 @@ static match_table_t nfs_vers_tokens = {
{ Opt_vers_err, NULL }
};
-static struct dentry *nfs_xdev_mount(struct file_system_type *fs_type,
+static struct dentry *nfs_prepared_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *raw_data);
struct file_system_type nfs_fs_type = {
@@ -306,13 +306,14 @@ struct file_system_type nfs_fs_type = {
MODULE_ALIAS_FS("nfs");
EXPORT_SYMBOL_GPL(nfs_fs_type);
-struct file_system_type nfs_xdev_fs_type = {
+struct file_system_type nfs_prepared_fs_type = {
.owner = THIS_MODULE,
.name = "nfs",
- .mount = nfs_xdev_mount,
+ .mount = nfs_prepared_mount,
.kill_sb = nfs_kill_super,
.fs_flags = FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
};
+EXPORT_SYMBOL_GPL(nfs_prepared_fs_type);
const struct super_operations nfs_sops = {
.alloc_inode = nfs_alloc_inode,
@@ -2766,11 +2767,12 @@ void nfs_kill_super(struct super_block *s)
EXPORT_SYMBOL_GPL(nfs_kill_super);
/*
- * Clone an NFS2/3/4 server record on xdev traversal (FSID-change)
+ * Internal use only: mount_info is already set up by caller.
+ * Used for mountpoint crossings and for nfs4 root.
*/
static struct dentry *
-nfs_xdev_mount(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *raw_data)
+nfs_prepared_mount(struct file_system_type *fs_type, int flags,
+ const char *dev_name, void *raw_data)
{
return nfs_fs_mount_common(flags, dev_name, raw_data);
}
--
2.17.2
next prev parent reply other threads:[~2019-09-13 12:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-13 12:17 [PATCH v4 00/26] nfs: Mount API conversion Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 01/26] saner calling conventions for nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 02/26] nfs: stash server into struct nfs_mount_info Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 03/26] nfs: lift setting mount_info from nfs4_remote{,_referral}_mount Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 04/26] nfs: fold nfs4_remote_fs_type and nfs4_remote_referral_fs_type Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 05/26] nfs: don't bother setting/restoring export_path around do_nfs_root_mount() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 06/26] nfs4: fold nfs_do_root_mount/nfs_follow_remote_path Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 07/26] nfs: lift setting mount_info from nfs_xdev_mount() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 08/26] nfs: stash nfs_subversion reference into nfs_mount_info Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 09/26] nfs: don't bother passing nfs_subversion to ->try_mount() and nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` Scott Mayhew [this message]
2019-09-13 12:17 ` [PATCH v4 11/26] nfs: unexport nfs_fs_mount_common() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 12/26] nfs: don't pass nfs_subversion to ->create_server() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 13/26] nfs: get rid of mount_info ->fill_super() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 14/26] nfs_clone_sb_security(): simplify the check for server bogosity Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 15/26] nfs: get rid of ->set_security() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 16/26] NFS: Move mount parameterisation bits into their own file Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 17/26] NFS: Constify mount argument match tables Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 18/26] NFS: Rename struct nfs_parsed_mount_data to struct nfs_fs_context Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 19/26] NFS: Split nfs_parse_mount_options() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 20/26] NFS: Deindent nfs_fs_context_parse_option() Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 21/26] NFS: Add a small buffer in nfs_fs_context to avoid string dup Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 22/26] NFS: Do some tidying of the parsing code Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 23/26] NFS: rename nfs_fs_context pointer arg in a few functions Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 24/26] NFS: Convert mount option parsing to use functionality from fs_parser.h Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 25/26] NFS: Add fs_context support Scott Mayhew
2019-09-13 12:17 ` [PATCH v4 26/26] NFS: Attach supplementary error information to fs_context Scott Mayhew
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