[PATCH] s390: fix compile with VIRT_CPU_ACCOUNTING=n
[pandora-kernel.git] / fs / libfs.c
index 58101df..71fd08f 100644 (file)
@@ -74,7 +74,7 @@ int dcache_dir_close(struct inode *inode, struct file *file)
 
 loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
 {
-       down(&file->f_dentry->d_inode->i_sem);
+       mutex_lock(&file->f_dentry->d_inode->i_mutex);
        switch (origin) {
                case 1:
                        offset += file->f_pos;
@@ -82,7 +82,7 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
                        if (offset >= 0)
                                break;
                default:
-                       up(&file->f_dentry->d_inode->i_sem);
+                       mutex_unlock(&file->f_dentry->d_inode->i_mutex);
                        return -EINVAL;
        }
        if (offset != file->f_pos) {
@@ -93,20 +93,20 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int origin)
                        loff_t n = file->f_pos - 2;
 
                        spin_lock(&dcache_lock);
-                       list_del(&cursor->d_child);
+                       list_del(&cursor->d_u.d_child);
                        p = file->f_dentry->d_subdirs.next;
                        while (n && p != &file->f_dentry->d_subdirs) {
                                struct dentry *next;
-                               next = list_entry(p, struct dentry, d_child);
+                               next = list_entry(p, struct dentry, d_u.d_child);
                                if (!d_unhashed(next) && next->d_inode)
                                        n--;
                                p = p->next;
                        }
-                       list_add_tail(&cursor->d_child, p);
+                       list_add_tail(&cursor->d_u.d_child, p);
                        spin_unlock(&dcache_lock);
                }
        }
-       up(&file->f_dentry->d_inode->i_sem);
+       mutex_unlock(&file->f_dentry->d_inode->i_mutex);
        return offset;
 }
 
@@ -126,7 +126,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
        struct dentry *dentry = filp->f_dentry;
        struct dentry *cursor = filp->private_data;
-       struct list_head *p, *q = &cursor->d_child;
+       struct list_head *p, *q = &cursor->d_u.d_child;
        ino_t ino;
        int i = filp->f_pos;
 
@@ -153,7 +153,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
                        }
                        for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
                                struct dentry *next;
-                               next = list_entry(p, struct dentry, d_child);
+                               next = list_entry(p, struct dentry, d_u.d_child);
                                if (d_unhashed(next) || !next->d_inode)
                                        continue;
 
@@ -261,7 +261,7 @@ int simple_empty(struct dentry *dentry)
        int ret = 0;
 
        spin_lock(&dcache_lock);
-       list_for_each_entry(child, &dentry->d_subdirs, d_child)
+       list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child)
                if (simple_positive(child))
                        goto out;
        ret = 1;
@@ -356,7 +356,7 @@ int simple_commit_write(struct file *file, struct page *page,
 
        /*
         * No need to use i_size_read() here, the i_size
-        * cannot change under us because we hold the i_sem.
+        * cannot change under us because we hold the i_mutex.
         */
        if (pos > inode->i_size)
                i_size_write(inode, pos);
@@ -388,6 +388,7 @@ int simple_fill_super(struct super_block *s, int magic, struct tree_descr *files
        inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
        inode->i_op = &simple_dir_inode_operations;
        inode->i_fop = &simple_dir_operations;
+       inode->i_nlink = 2;
        root = d_alloc_root(inode);
        if (!root) {
                iput(inode);