From eae82bccebcdea6eb66d572e2fe06b9140ffc529 Mon Sep 17 00:00:00 2001
From: Intel A80486DX2-66 <larry.holst@disroot.org>
Date: Wed, 27 Dec 2023 21:30:42 +0300
Subject: [PATCH] reverse-ramdisk.c: flush file buffer on each write

---
 c-programming/reverse-ramdisk.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/c-programming/reverse-ramdisk.c b/c-programming/reverse-ramdisk.c
index 0c2e414..4b5b064 100644
--- a/c-programming/reverse-ramdisk.c
+++ b/c-programming/reverse-ramdisk.c
@@ -9,7 +9,7 @@ production purposes.
 GCC/Clang/TCC: Compile with -DTEST to set macro TEST as defined, with -DDEBUG
 to enable debug mode
 
-To-Do: error handling on line 179, function fread()
+To-Do: error handling on line 184, function fread()
 */
 
 #include <errno.h>
@@ -154,6 +154,11 @@ int tf_write(int ID, size_t offset, void* data, size_t data_size) {
 	if (bytes_written != data_size)
 		return -1;
 
+	if (fdatasync(file) == -1) {
+		line_fail(-1);
+		return -1;
+	}
+
 	return 0;
 }