lsfd: add attach_xinfo and get_ipc_class methods to cdev_ops

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

diff --git a/misc-utils/lsfd-cdev.c b/misc-utils/lsfd-cdev.c
index 9bcbea3533264812ced7222995ec5ec130ebf044..0f47169f8347de510fe826bfa0df059d70a88415 100644 (file)
--- a/misc-utils/lsfd-cdev.c
+++ b/misc-utils/lsfd-cdev.c
@@ -57,7 +57,9 @@ struct cdev_ops {
                            char **);
        void (*init)(const struct cdev *);
        void (*free)(const struct cdev *);
+       void (*attach_xinfo)(struct cdev *);
        int (*handle_fdinfo)(struct cdev *, const char *, const char *);
+       const struct ipc_class * (*get_ipc_class)(struct cdev *);
 };
 
 static bool cdev_fill_column(struct proc *proc __attribute__((__unused__)),
@@ -575,6 +577,14 @@ static void free_cdev_content(struct file *file)
                cdev->cdev_ops->free(cdev);
 }
 
+static void cdev_attach_xinfo(struct file *file)
+{
+       struct cdev *cdev = (struct cdev *)file;
+
+       if (cdev->cdev_ops->attach_xinfo)
+               cdev->cdev_ops->attach_xinfo(cdev);
+}
+
 static int cdev_handle_fdinfo(struct file *file, const char *key, const char *value)
 {
        struct cdev *cdev = (struct cdev *)file;
@@ -584,6 +594,15 @@ static int cdev_handle_fdinfo(struct file *file, const char *key, const char *va
        return 0;               /* Should be handled in parents */
 }
 
+static const struct ipc_class *cdev_get_ipc_class(struct file *file)
+{
+       struct cdev *cdev = (struct cdev *)file;
+
+       if (cdev->cdev_ops->get_ipc_class)
+               return cdev->cdev_ops->get_ipc_class(cdev);
+       return NULL;
+}
+
 const struct file_class cdev_class = {
        .super = &file_class,
        .size = sizeof(struct cdev),
@@ -592,5 +611,7 @@ const struct file_class cdev_class = {
        .fill_column = cdev_fill_column,
        .initialize_content = init_cdev_content,
        .free_content = free_cdev_content,
+       .attach_xinfo = cdev_attach_xinfo,
        .handle_fdinfo = cdev_handle_fdinfo,
+       .get_ipc_class = cdev_get_ipc_class,
 };