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;
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) {
spin_unlock(&dcache_lock);
}
}
- up(&file->f_dentry->d_inode->i_sem);
+ mutex_unlock(&file->f_dentry->d_inode->i_mutex);
return offset;
}
/*
* 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);