Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs pile 1 from Al Viro:
 "This is _not_ all; in particular, Miklos' and Jan's stuff is not there
  yet."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (64 commits)
  ext4: initialization of ext4_li_mtx needs to be done earlier
  debugfs-related mode_t whack-a-mole
  hfsplus: add an ioctl to bless files
  hfsplus: change finder_info to u32
  hfsplus: initialise userflags
  qnx4: new helper - try_extent()
  qnx4: get rid of qnx4_bread/qnx4_getblk
  take removal of PF_FORKNOEXEC to flush_old_exec()
  trim includes in inode.c
  um: uml_dup_mmap() relies on ->mmap_sem being held, but activate_mm() doesn't hold it
  um: embed ->stub_pages[] into mmu_context
  gadgetfs: list_for_each_safe() misuse
  ocfs2: fix leaks on failure exits in module_init
  ecryptfs: make register_filesystem() the last potential failure exit
  ntfs: forgets to unregister sysctls on register_filesystem() failure
  logfs: missing cleanup on register_filesystem() failure
  jfs: mising cleanup on register_filesystem() failure
  make configfs_pin_fs() return root dentry on success
  configfs: configfs_create_dir() has parent dentry in dentry->d_parent
  configfs: sanitize configfs_create()
  ...

2 files changed, 2 insertions, 13 deletions

diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 1cd3f62..fce2bbe 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -193,9 +193,6 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir,
 	struct nilfs_transaction_info ti;
 	int err;
 
-	if (inode->i_nlink >= NILFS_LINK_MAX)
-		return -EMLINK;
-
 	err = nilfs_transaction_begin(dir->i_sb, &ti, 1);
 	if (err)
 		return err;
@@ -219,9 +216,6 @@ static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 	struct nilfs_transaction_info ti;
 	int err;
 
-	if (dir->i_nlink >= NILFS_LINK_MAX)
-		return -EMLINK;
-
 	err = nilfs_transaction_begin(dir->i_sb, &ti, 1);
 	if (err)
 		return err;
@@ -400,11 +394,6 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		drop_nlink(new_inode);
 		nilfs_mark_inode_dirty(new_inode);
 	} else {
-		if (dir_de) {
-			err = -EMLINK;
-			if (new_dir->i_nlink >= NILFS_LINK_MAX)
-				goto out_dir;
-		}
 		err = nilfs_add_link(new_dentry, old_inode);
 		if (err)
 			goto out_dir;
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 08e3d4f..1099a76 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -917,9 +917,8 @@ static int nilfs_get_root_dentry(struct super_block *sb,
 	if (root->cno == NILFS_CPTREE_CURRENT_CNO) {
 		dentry = d_find_alias(inode);
 		if (!dentry) {
-			dentry = d_alloc_root(inode);
+			dentry = d_make_root(inode);
 			if (!dentry) {
-				iput(inode);
 				ret = -ENOMEM;
 				goto failed_dentry;
 			}
@@ -1059,6 +1058,7 @@ nilfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_export_op = &nilfs_export_ops;
 	sb->s_root = NULL;
 	sb->s_time_gran = 1;
+	sb->s_max_links = NILFS_LINK_MAX;
 
 	bdi = sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
 	sb->s_bdi = bdi ? : &default_backing_dev_info;