const struct vm_operations_struct *vm_ops;
};
+struct kernfs_ops {
+ /*
+ * Read is handled by either seq_file or raw_read().
+ *
+ * If seq_show() is present, seq_file path is active. The behavior
+ * is equivalent to single_open(). @sf->private points to the
+ * associated sysfs_open_file.
+ *
+ * read() is bounced through kernel buffer and a read larger than
+ * PAGE_SIZE results in partial operation of PAGE_SIZE.
+ */
+ int (*seq_show)(struct seq_file *sf, void *v);
+
+ ssize_t (*read)(struct sysfs_open_file *of, char *buf, size_t bytes,
+ loff_t off);
+
+ /*
+ * write() is bounced through kernel buffer and a write larger than
+ * PAGE_SIZE results in partial operation of PAGE_SIZE.
+ */
+ ssize_t (*write)(struct sysfs_open_file *of, char *buf, size_t bytes,
+ loff_t off);
+
+ int (*mmap)(struct sysfs_open_file *of, struct vm_area_struct *vma);
+};
+
#ifdef CONFIG_SYSFS
struct sysfs_dirent *kernfs_create_dir_ns(struct sysfs_dirent *parent,