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, 3 insertions, 14 deletions

diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c
index 9dbf0c301030..fc7161d6bf6b 100644
--- a/fs/exofs/namei.c
+++ b/fs/exofs/namei.c
@@ -143,9 +143,6 @@ static int exofs_link(struct dentry *old_dentry, struct inode *dir,
 {
         struct inode *inode = old_dentry->d_inode;
 
-        if (inode->i_nlink >= EXOFS_LINK_MAX)
-                return -EMLINK;
-
         inode->i_ctime = CURRENT_TIME;
         inode_inc_link_count(inode);
         ihold(inode);
@@ -156,10 +153,7 @@ static int exofs_link(struct dentry *old_dentry, struct inode *dir,
 static int exofs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
 {
         struct inode *inode;
-        int err = -EMLINK;
-
-        if (dir->i_nlink >= EXOFS_LINK_MAX)
-                goto out;
+        int err;
 
         inode_inc_link_count(dir);
 
@@ -275,11 +269,6 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
                 if (err)
                         goto out_dir;
         } else {
-                if (dir_de) {
-                        err = -EMLINK;
-                        if (new_dir->i_nlink >= EXOFS_LINK_MAX)
-                                goto out_dir;
-                }
                 err = exofs_add_link(new_dentry, old_inode);
                 if (err)
                         goto out_dir;
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index d22cd168c6ee..7f2b590a36b7 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -754,6 +754,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
         sb->s_blocksize = EXOFS_BLKSIZE;
         sb->s_blocksize_bits = EXOFS_BLKSHIFT;
         sb->s_maxbytes = MAX_LFS_FILESIZE;
+        sb->s_max_links = EXOFS_LINK_MAX;
         atomic_set(&sbi->s_curr_pending, 0);
         sb->s_bdev = NULL;
         sb->s_dev = 0;
@@ -818,9 +819,8 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
                 ret = PTR_ERR(root);
                 goto free_sbi;
         }
-        sb->s_root = d_alloc_root(root);
+        sb->s_root = d_make_root(root);
         if (!sb->s_root) {
-                iput(root);
                 EXOFS_ERR("ERROR: get root inode failed\n");
                 ret = -ENOMEM;
                 goto free_sbi;