From: Maneesh Soni => changes in version 0.3 o Nil, just re-diffed => changes in version 0.2 o Nil, just re-diffed o This patch contains changes required for bin attribute files. diff -upN reference/fs/sysfs/bin.c current/fs/sysfs/bin.c --- reference/fs/sysfs/bin.c 2003-10-01 11:47:05.000000000 -0700 +++ current/fs/sysfs/bin.c 2004-03-31 12:32:14.000000000 -0800 @@ -17,8 +17,10 @@ static int fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count) { - struct bin_attribute * attr = dentry->d_fsdata; - struct kobject * kobj = dentry->d_parent->d_fsdata; + struct sysfs_dirent * sd_attr = dentry->d_fsdata; + struct bin_attribute * attr = sd_attr->s_element; + struct sysfs_dirent * sd_kobj = dentry->d_parent->d_fsdata; + struct kobject * kobj = sd_kobj->s_element; return attr->read(kobj, buffer, off, count); } @@ -60,8 +62,10 @@ read(struct file * file, char __user * u static int flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count) { - struct bin_attribute *attr = dentry->d_fsdata; - struct kobject *kobj = dentry->d_parent->d_fsdata; + struct sysfs_dirent * sd_attr = dentry->d_fsdata; + struct bin_attribute * attr = sd_attr->s_element; + struct sysfs_dirent * sd_kobj = dentry->d_parent->d_fsdata; + struct kobject * kobj = sd_kobj->s_element; return attr->write(kobj, buffer, offset, count); } @@ -94,8 +98,10 @@ static ssize_t write(struct file * file, static int open(struct inode * inode, struct file * file) { - struct kobject * kobj = kobject_get(file->f_dentry->d_parent->d_fsdata); - struct bin_attribute * attr = file->f_dentry->d_fsdata; + struct sysfs_dirent * sd_kobj = file->f_dentry->d_parent->d_fsdata; + struct kobject * kobj = kobject_get(sd_kobj->s_element); + struct sysfs_dirent * sd_attr = file->f_dentry->d_fsdata; + struct bin_attribute * attr = sd_attr->s_element; int error = -EINVAL; if (!kobj || !attr) @@ -122,7 +128,8 @@ static int open(struct inode * inode, st static int release(struct inode * inode, struct file * file) { - struct kobject * kobj = file->f_dentry->d_parent->d_fsdata; + struct sysfs_dirent * sd = file->f_dentry->d_parent->d_fsdata; + struct kobject * kobj = sd->s_element; u8 * buffer = file->private_data; if (kobj) @@ -131,7 +138,7 @@ static int release(struct inode * inode, return 0; } -static struct file_operations bin_fops = { +struct file_operations bin_fops = { .read = read, .write = write, .llseek = generic_file_llseek, @@ -148,31 +155,10 @@ static struct file_operations bin_fops = int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr) { - struct dentry * dentry; - struct dentry * parent; - int error = 0; - - if (!kobj || !attr) - return -EINVAL; - - parent = kobj->dentry; - - down(&parent->d_inode->i_sem); - dentry = sysfs_get_dentry(parent,attr->attr.name); - if (!IS_ERR(dentry)) { - dentry->d_fsdata = (void *)attr; - error = sysfs_create(dentry, - (attr->attr.mode & S_IALLUGO) | S_IFREG, - NULL); - if (!error) { - dentry->d_inode->i_size = attr->size; - dentry->d_inode->i_fop = &bin_fops; - } - dput(dentry); - } else - error = PTR_ERR(dentry); - up(&parent->d_inode->i_sem); - return error; + if (kobj && kobj->dentry && attr) + return sysfs_add_file(kobj->dentry, &attr->attr, + SYSFS_KOBJ_BIN_ATTR); + return -EINVAL; }