1 files changed, 6 insertions, 13 deletions

diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 8b8889825716..ad391a8c3e7e 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -68,12 +68,11 @@ static struct the_nilfs *alloc_nilfs(struct block_device *bdev)
 
         nilfs->ns_bdev = bdev;
         atomic_set(&nilfs->ns_count, 1);
-        atomic_set(&nilfs->ns_writer_refcount, -1);
         atomic_set(&nilfs->ns_ndirtyblks, 0);
         init_rwsem(&nilfs->ns_sem);
         init_rwsem(&nilfs->ns_super_sem);
         mutex_init(&nilfs->ns_mount_mutex);
-        mutex_init(&nilfs->ns_writer_mutex);
+        init_rwsem(&nilfs->ns_writer_sem);
         INIT_LIST_HEAD(&nilfs->ns_list);
         INIT_LIST_HEAD(&nilfs->ns_supers);
         spin_lock_init(&nilfs->ns_last_segment_lock);
@@ -188,23 +187,19 @@ static int nilfs_load_super_root(struct the_nilfs *nilfs,
         inode_size = nilfs->ns_inode_size;
 
         err = -ENOMEM;
-        nilfs->ns_dat = nilfs_mdt_new(
-                nilfs, NULL, NILFS_DAT_INO, NILFS_DAT_GFP);
+        nilfs->ns_dat = nilfs_mdt_new(nilfs, NULL, NILFS_DAT_INO);
         if (unlikely(!nilfs->ns_dat))
                 goto failed;
 
-        nilfs->ns_gc_dat = nilfs_mdt_new(
-                nilfs, NULL, NILFS_DAT_INO, NILFS_DAT_GFP);
+        nilfs->ns_gc_dat = nilfs_mdt_new(nilfs, NULL, NILFS_DAT_INO);
         if (unlikely(!nilfs->ns_gc_dat))
                 goto failed_dat;
 
-        nilfs->ns_cpfile = nilfs_mdt_new(
-                nilfs, NULL, NILFS_CPFILE_INO, NILFS_CPFILE_GFP);
+        nilfs->ns_cpfile = nilfs_mdt_new(nilfs, NULL, NILFS_CPFILE_INO);
         if (unlikely(!nilfs->ns_cpfile))
                 goto failed_gc_dat;
 
-        nilfs->ns_sufile = nilfs_mdt_new(
-                nilfs, NULL, NILFS_SUFILE_INO, NILFS_SUFILE_GFP);
+        nilfs->ns_sufile = nilfs_mdt_new(nilfs, NULL, NILFS_SUFILE_INO);
         if (unlikely(!nilfs->ns_sufile))
                 goto failed_cpfile;
 
@@ -596,9 +591,7 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data)
 
         nilfs->ns_mount_state = le16_to_cpu(sbp->s_state);
 
-        bdi = nilfs->ns_bdev->bd_inode_backing_dev_info;
-        if (!bdi)
-                bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info;
+        bdi = nilfs->ns_bdev->bd_inode->i_mapping->backing_dev_info;
         nilfs->ns_bdi = bdi ? : &default_backing_dev_info;
 
         /* Finding last segment */