VFS: Unexport do_kern_mount() and clean up simple_pin_fs()
Replace all module uses with the new vfs_kern_mount() interface, and fix up
simple_pin_fs().
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/Documentation/filesystems/automount-support.txt b/Documentation/filesystems/automount-support.txt
index 58c65a1..7cac200 100644
--- a/Documentation/filesystems/automount-support.txt
+++ b/Documentation/filesystems/automount-support.txt
@@ -19,7 +19,7 @@
(2) Have the follow_link() op do the following steps:
- (a) Call do_kern_mount() to call the appropriate filesystem to set up a
+ (a) Call vfs_kern_mount() to call the appropriate filesystem to set up a
superblock and gain a vfsmount structure representing it.
(b) Copy the nameidata provided as an argument and substitute the dentry
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 3cf945c..695b90a 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -569,7 +569,7 @@
ignore_mount = 1;
/* create the devices special file */
- retval = simple_pin_fs("usbfs", &usbfs_mount, &usbfs_mount_count);
+ retval = simple_pin_fs(&usb_fs_type, &usbfs_mount, &usbfs_mount_count);
if (retval) {
err ("Unable to get usbfs mount");
goto exit;
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 4e6eeb5..7b6dc03 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -210,7 +210,7 @@
/* try and do the mount */
kdebug("--- attempting mount %s -o %s ---", devname, options);
- mnt = do_kern_mount("afs", 0, devname, options);
+ mnt = vfs_kern_mount(&afs_fs_type, 0, devname, options);
kdebug("--- mount result %p ---", mnt);
free_page((unsigned long) devname);
diff --git a/fs/afs/super.c b/fs/afs/super.c
index 53c56e7..93a7821 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -48,7 +48,7 @@
static void afs_destroy_inode(struct inode *inode);
-static struct file_system_type afs_fs_type = {
+struct file_system_type afs_fs_type = {
.owner = THIS_MODULE,
.name = "afs",
.get_sb = afs_get_sb,
diff --git a/fs/afs/super.h b/fs/afs/super.h
index ac11362..32de8cc 100644
--- a/fs/afs/super.h
+++ b/fs/afs/super.h
@@ -38,6 +38,8 @@
return sb->s_fs_info;
}
+extern struct file_system_type afs_fs_type;
+
#endif /* __KERNEL__ */
#endif /* _LINUX_AFS_SUPER_H */
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index d73d755..c0a909e 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -55,6 +55,7 @@
} Node;
static DEFINE_RWLOCK(entries_lock);
+static struct file_system_type bm_fs_type;
static struct vfsmount *bm_mnt;
static int entry_count;
@@ -638,7 +639,7 @@
if (!inode)
goto out2;
- err = simple_pin_fs("binfmt_misc", &bm_mnt, &entry_count);
+ err = simple_pin_fs(&bm_fs_type, &bm_mnt, &entry_count);
if (err) {
iput(inode);
inode = NULL;
diff --git a/fs/configfs/mount.c b/fs/configfs/mount.c
index f920d30..be5d86a 100644
--- a/fs/configfs/mount.c
+++ b/fs/configfs/mount.c
@@ -118,7 +118,7 @@
int configfs_pin_fs(void)
{
- return simple_pin_fs("configfs", &configfs_mount,
+ return simple_pin_fs(&configfs_fs_type, &configfs_mount,
&configfs_mnt_count);
}
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index b55b4ea..90f9417 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -199,7 +199,7 @@
pr_debug("debugfs: creating file '%s'\n",name);
- error = simple_pin_fs("debugfs", &debugfs_mount, &debugfs_mount_count);
+ error = simple_pin_fs(&debug_fs_type, &debugfs_mount, &debugfs_mount_count);
if (error)
goto exit;
diff --git a/fs/libfs.c b/fs/libfs.c
index 7145ba7..4a3ec9a 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -424,13 +424,13 @@
static DEFINE_SPINLOCK(pin_fs_lock);
-int simple_pin_fs(char *name, struct vfsmount **mount, int *count)
+int simple_pin_fs(struct file_system_type *type, struct vfsmount **mount, int *count)
{
struct vfsmount *mnt = NULL;
spin_lock(&pin_fs_lock);
if (unlikely(!*mount)) {
spin_unlock(&pin_fs_lock);
- mnt = do_kern_mount(name, 0, name, NULL);
+ mnt = vfs_kern_mount(type, 0, type->name, NULL);
if (IS_ERR(mnt))
return PTR_ERR(mnt);
spin_lock(&pin_fs_lock);
diff --git a/fs/super.c b/fs/super.c
index 848be4f..15f2afd 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -864,11 +864,9 @@
return mnt;
}
-EXPORT_SYMBOL_GPL(do_kern_mount);
-
struct vfsmount *kern_mount(struct file_system_type *type)
{
- return do_kern_mount(type->name, 0, type->name, NULL);
+ return vfs_kern_mount(type, 0, type->name, NULL);
}
EXPORT_SYMBOL(kern_mount);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f813bc8..eca70cf 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1763,7 +1763,7 @@
struct tree_descr { char *name; const struct file_operations *ops; int mode; };
struct dentry *d_alloc_name(struct dentry *, const char *);
extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
-extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count);
+extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count);
extern void simple_release_fs(struct vfsmount **mount, int *count);
extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
diff --git a/mm/shmem.c b/mm/shmem.c
index 4c5e68e..8184342 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2261,7 +2261,7 @@
#ifdef CONFIG_TMPFS
devfs_mk_dir("shm");
#endif
- shm_mnt = do_kern_mount(tmpfs_fs_type.name, MS_NOUSER,
+ shm_mnt = vfs_kern_mount(&tmpfs_fs_type, MS_NOUSER,
tmpfs_fs_type.name, NULL);
if (IS_ERR(shm_mnt)) {
error = PTR_ERR(shm_mnt);
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index cc673dd..a5226df 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -439,7 +439,7 @@
{
int err;
- err = simple_pin_fs("rpc_pipefs", &rpc_mount, &rpc_mount_count);
+ err = simple_pin_fs(&rpc_pipe_fs_type, &rpc_mount, &rpc_mount_count);
if (err != 0)
return ERR_PTR(err);
return rpc_mount;
diff --git a/security/inode.c b/security/inode.c
index 0f77b02..8bf4062 100644
--- a/security/inode.c
+++ b/security/inode.c
@@ -224,7 +224,7 @@
pr_debug("securityfs: creating file '%s'\n",name);
- error = simple_pin_fs("securityfs", &mount, &mount_count);
+ error = simple_pin_fs(&fs_type, &mount, &mount_count);
if (error) {
dentry = ERR_PTR(error);
goto exit;