static inline void orphan_all_buffers(struct inode *node)
{
- struct sysfs_buffer_collection *set = node->i_private;
+ struct sysfs_buffer_collection *set;
struct sysfs_buffer *buf;
mutex_lock_nested(&node->i_mutex, I_MUTEX_CHILD);
- if (node->i_private) {
- list_for_each_entry(buf, &set->associates, associates)
+ set = node->i_private;
+ if (set) {
+ list_for_each_entry(buf, &set->associates, associates) {
+ down(&buf->sem);
buf->orphaned = 1;
+ up(&buf->sem);
+ }
}
mutex_unlock(&node->i_mutex);
}