libcamera: base: file_descriptor: Move inode() function to frame_buffer.cpp

The inode() function has always been a bit of an outcast in the
FileDescriptor class, as it's not related to the core feature provided
by FileDescriptor, a shared ownership wrapper around file descriptors.
As it's only used in the FrameBuffer implementation, move it to
frame_buffer.cpp as a static function.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

1 files changed, 0 insertions, 25 deletions

diff --git a/src/libcamera/base/file_descriptor.cpp b/src/libcamera/base/file_descriptor.cpp
index f5f87c56..98d4b4bf 100644
--- a/src/libcamera/base/file_descriptor.cpp
+++ b/src/libcamera/base/file_descriptor.cpp
@@ -8,7 +8,6 @@
 #include <libcamera/base/file_descriptor.h>
 
 #include <string.h>
-#include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 #include <utility>
@@ -223,30 +222,6 @@ FileDescriptor FileDescriptor::dup() const
 	return FileDescriptor(fd());
 }
 
-/**
- * \brief Retrieve the file descriptor inode
- *
- * \todo Should this move to the File class ?
- *
- * \return The file descriptor inode on success, or 0 on error
- */
-ino_t FileDescriptor::inode() const
-{
-	if (!isValid())
-		return 0;
-
-	struct stat st;
-	int ret = fstat(fd_->fd(), &st);
-	if (ret < 0) {
-		ret = -errno;
-		LOG(FileDescriptor, Fatal)
-			<< "Failed to fstat() fd: " << strerror(-ret);
-		return 0;
-	}
-
-	return st.st_ino;
-}
-
 FileDescriptor::Descriptor::Descriptor(int fd, bool duplicate)
 {
 	if (!duplicate) {