convert get_sb_pseudo() users

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 18 insertions, 23 deletions

diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 5365527ca43f..57ce55b2564c 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -26,12 +26,10 @@ static struct vfsmount *anon_inode_mnt __read_mostly;
 static struct inode *anon_inode_inode;
 static const struct file_operations anon_inode_fops;
 
-static int anon_inodefs_get_sb(struct file_system_type *fs_type, int flags,
-                               const char *dev_name, void *data,
-                               struct vfsmount *mnt)
+static struct dentry *anon_inodefs_mount(struct file_system_type *fs_type,
+                                int flags, const char *dev_name, void *data)
 {
-        return get_sb_pseudo(fs_type, "anon_inode:", NULL, ANON_INODE_FS_MAGIC,
-                             mnt);
+        return mount_pseudo(fs_type, "anon_inode:", NULL, ANON_INODE_FS_MAGIC);
 }
 
 /*
@@ -45,7 +43,7 @@ static char *anon_inodefs_dname(struct dentry *dentry, char *buffer, int buflen)
 
 static struct file_system_type anon_inode_fs_type = {
         .name           = "anon_inodefs",
-        .get_sb         = anon_inodefs_get_sb,
+        .mount          = anon_inodefs_mount,
         .kill_sb        = kill_anon_super,
 };
 static const struct dentry_operations anon_inodefs_dentry_operations = {
diff --git a/fs/block_dev.c b/fs/block_dev.c
index dea3b628a6ce..06e8ff12b97c 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -464,15 +464,15 @@ static const struct super_operations bdev_sops = {
         .evict_inode = bdev_evict_inode,
 };
 
-static int bd_get_sb(struct file_system_type *fs_type,
-        int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *bd_mount(struct file_system_type *fs_type,
+        int flags, const char *dev_name, void *data)
 {
-        return get_sb_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576, mnt);
+        return mount_pseudo(fs_type, "bdev:", &bdev_sops, 0x62646576);
 }
 
 static struct file_system_type bd_type = {
         .name           = "bdev",
-        .get_sb         = bd_get_sb,
+        .mount          = bd_mount,
         .kill_sb        = kill_anon_super,
 };
 
diff --git a/fs/libfs.c b/fs/libfs.c
index 304a5132ca27..a3accdf528ad 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -201,9 +201,8 @@ static const struct super_operations simple_super_operations = {
  * Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that
  * will never be mountable)
  */
-int get_sb_pseudo(struct file_system_type *fs_type, char *name,
-        const struct super_operations *ops, unsigned long magic,
-        struct vfsmount *mnt)
+struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name,
+        const struct super_operations *ops, unsigned long magic)
 {
         struct super_block *s = sget(fs_type, NULL, set_anon_super, NULL);
         struct dentry *dentry;
@@ -211,7 +210,7 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
         struct qstr d_name = {.name = name, .len = strlen(name)};
 
         if (IS_ERR(s))
-                return PTR_ERR(s);
+                return ERR_CAST(s);
 
         s->s_flags = MS_NOUSER;
         s->s_maxbytes = MAX_LFS_FILESIZE;
@@ -241,12 +240,11 @@ int get_sb_pseudo(struct file_system_type *fs_type, char *name,
         d_instantiate(dentry, root);
         s->s_root = dentry;
         s->s_flags |= MS_ACTIVE;
-        simple_set_mnt(mnt, s);
-        return 0;
+        return dget(s->s_root);
 
 Enomem:
         deactivate_locked_super(s);
-        return -ENOMEM;
+        return ERR_PTR(-ENOMEM);
 }
 
 int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
@@ -951,7 +949,7 @@ EXPORT_SYMBOL(dcache_dir_lseek);
 EXPORT_SYMBOL(dcache_dir_open);
 EXPORT_SYMBOL(dcache_readdir);
 EXPORT_SYMBOL(generic_read_dir);
-EXPORT_SYMBOL(get_sb_pseudo);
+EXPORT_SYMBOL(mount_pseudo);
 EXPORT_SYMBOL(simple_write_begin);
 EXPORT_SYMBOL(simple_write_end);
 EXPORT_SYMBOL(simple_dir_inode_operations);
diff --git a/fs/pipe.c b/fs/pipe.c
index d2d7566ce68e..a8012a955720 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -1247,16 +1247,15 @@ out:
  * any operations on the root directory. However, we need a non-trivial
  * d_name - pipe: will go nicely and kill the special-casing in procfs.
  */
-static int pipefs_get_sb(struct file_system_type *fs_type,
-                         int flags, const char *dev_name, void *data,
-                         struct vfsmount *mnt)
+static struct dentry *pipefs_mount(struct file_system_type *fs_type,
+                         int flags, const char *dev_name, void *data)
 {
-        return get_sb_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC, mnt);
+        return mount_pseudo(fs_type, "pipe:", NULL, PIPEFS_MAGIC);
 }
 
 static struct file_system_type pipe_fs_type = {
         .name           = "pipefs",
-        .get_sb         = pipefs_get_sb,
+        .mount          = pipefs_mount,
         .kill_sb        = kill_anon_super,
 };