From: Masatake YAMATO <yamato@redhat.com>
Date: Wed, 4 Feb 2026 20:22:09 +0000 (+0900)
Subject: lsfd: add stubs of target_fd related methods to cdev_class
X-Git-Tag: v2.43-devel~46^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff3ec1f1300fe547e237668b7e68febd67536f4a;p=thirdparty%2Futil-linux.git

lsfd: add stubs of target_fd related methods to cdev_class

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

diff --git a/lsfd-cmd/cdev.c b/lsfd-cmd/cdev.c
index 989ffa481..4c996100b 100644
--- a/lsfd-cmd/cdev.c
+++ b/lsfd-cmd/cdev.c
@@ -62,6 +62,10 @@ struct cdev_ops {
 			    char **);
 	void (*init)(const struct cdev *);
 	void (*free)(const struct cdev *);
+
+	bool (*needs_target_fd)(struct cdev *);
+	void (*inspect_target_fd)(struct cdev *, int);
+
 	void (*attach_xinfo)(struct cdev *);
 	int (*handle_fdinfo)(struct cdev *, const char *, const char *);
 	const struct ipc_class * (*get_ipc_class)(struct cdev *);
@@ -788,6 +792,23 @@ static const struct ipc_class *cdev_get_ipc_class(struct file *file)
 	return NULL;
 }
 
+static bool cdev_needs_target_fd(struct file *file)
+{
+	struct cdev *cdev = (struct cdev *)file;
+
+	if (cdev->cdev_ops->needs_target_fd)
+		return cdev->cdev_ops->needs_target_fd(cdev);
+	return false;
+}
+
+static void cdev_inspect_target_fd(struct file *file, int fd)
+{
+	struct cdev *cdev = (struct cdev *)file;
+
+	if (cdev->cdev_ops->inspect_target_fd)
+		cdev->cdev_ops->inspect_target_fd(cdev, fd);
+}
+
 const struct file_class cdev_class = {
 	.super = &file_class,
 	.size = sizeof(struct cdev),
@@ -799,4 +820,6 @@ const struct file_class cdev_class = {
 	.attach_xinfo = cdev_attach_xinfo,
 	.handle_fdinfo = cdev_handle_fdinfo,
 	.get_ipc_class = cdev_get_ipc_class,
+	.needs_target_fd = cdev_needs_target_fd,
+	.inspect_target_fd = cdev_inspect_target_fd,
 };