4 files changed, 16 insertions, 10 deletions

diff --git a/fs/hpfs/Kconfig b/fs/hpfs/Kconfig
index 56bd15c5bf6c..63b6f5632318 100644
--- a/fs/hpfs/Kconfig
+++ b/fs/hpfs/Kconfig
@@ -1,6 +1,7 @@
 config HPFS_FS
         tristate "OS/2 HPFS file system support"
         depends on BLOCK
+        depends on BKL # nontrivial to fix
         help
           OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
           is the file system used for organizing files on OS/2 hard disk
diff --git a/fs/hpfs/buffer.c b/fs/hpfs/buffer.c
index eac5f96323e3..793cb9d943d2 100644
--- a/fs/hpfs/buffer.c
+++ b/fs/hpfs/buffer.c
@@ -14,7 +14,7 @@ void hpfs_lock_creation(struct super_block *s)
 #ifdef DEBUG_LOCKS
         printk("lock creation\n");
 #endif
-        down(&hpfs_sb(s)->hpfs_creation_de);
+        mutex_lock(&hpfs_sb(s)->hpfs_creation_de);
 }
 
 void hpfs_unlock_creation(struct super_block *s)
@@ -22,7 +22,7 @@ void hpfs_unlock_creation(struct super_block *s)
 #ifdef DEBUG_LOCKS
         printk("unlock creation\n");
 #endif
-        up(&hpfs_sb(s)->hpfs_creation_de);
+        mutex_unlock(&hpfs_sb(s)->hpfs_creation_de);
 }
 
 /* Map a sector into a buffer and return pointers to it and to the buffer. */
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index b59eac0232a0..2fee17d0d9ab 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -87,7 +87,7 @@ struct hpfs_sb_info {
         unsigned *sb_bmp_dir;           /* main bitmap directory */
         unsigned sb_c_bitmap;           /* current bitmap */
         unsigned sb_max_fwd_alloc;      /* max forwad allocation */
-        struct semaphore hpfs_creation_de; /* when creating dirents, nobody else
+        struct mutex hpfs_creation_de;  /* when creating dirents, nobody else
                                            can alloc blocks */
         /*unsigned sb_mounting : 1;*/
         int sb_timeshift;
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 2607010be2fe..6c5f01597c3a 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -477,17 +477,21 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
 
         int o;
 
+        lock_kernel();
+
         save_mount_options(s, options);
 
         sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
-        if (!sbi)
+        if (!sbi) {
+                unlock_kernel();
                 return -ENOMEM;
+        }
         s->s_fs_info = sbi;
 
         sbi->sb_bmp_dir = NULL;
         sbi->sb_cp_table = NULL;
 
-        init_MUTEX(&sbi->hpfs_creation_de);
+        mutex_init(&sbi->hpfs_creation_de);
 
         uid = current_uid();
         gid = current_gid();
@@ -666,6 +670,7 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
                         root->i_blocks = 5;
                 hpfs_brelse4(&qbh);
         }
+        unlock_kernel();
         return 0;
 
 bail4:  brelse(bh2);
@@ -677,20 +682,20 @@ bail0:
         kfree(sbi->sb_cp_table);
         s->s_fs_info = NULL;
         kfree(sbi);
+        unlock_kernel();
         return -EINVAL;
 }
 
-static int hpfs_get_sb(struct file_system_type *fs_type,
-        int flags, const char *dev_name, void *data, struct vfsmount *mnt)
+static struct dentry *hpfs_mount(struct file_system_type *fs_type,
+        int flags, const char *dev_name, void *data)
 {
-        return get_sb_bdev(fs_type, flags, dev_name, data, hpfs_fill_super,
-                           mnt);
+        return mount_bdev(fs_type, flags, dev_name, data, hpfs_fill_super);
 }
 
 static struct file_system_type hpfs_fs_type = {
         .owner          = THIS_MODULE,
         .name           = "hpfs",
-        .get_sb         = hpfs_get_sb,
+        .mount          = hpfs_mount,
         .kill_sb        = kill_block_super,
         .fs_flags       = FS_REQUIRES_DEV,
 };