- Implement flush and fsync.

2 files changed, 18 insertions, 3 deletions

diff --git a/TODO b/TODO
index 533ae4e..a600f5e 100644
--- a/TODO
+++ b/TODO
@@ -5,10 +5,12 @@ v. 0.1
 * Better interface (the new .config is pretty good, but needs
   improvement)
 
-* We should implement flush and similar calls we don't currently implement.
+* [FIXED] We should implement flush and similar calls we don't currently implement.
   Under some circumstances, high load can force the closing of files or
   something in a similar manner, and we should handle this properly, or else the
   media player will probably stop playback.
+  * flush and fsync have been implemented, but is not required to do anything
+    since we have reading only currently, so we will have to extend them later.
 
 - [FIXED] BUG: what to do with songs without tags? 
   * This has been improved to check if the string is actually empty,
diff --git a/src/mfs_vnops.c b/src/mfs_vnops.c
index 4e1915e..549ebb1 100755
--- a/src/mfs_vnops.c
+++ b/src/mfs_vnops.c
@@ -238,19 +238,31 @@ static int mfs_truncate(const char *path, off_t size)
 
 static int mfs_flush(const char *path, struct fuse_file_info *fi)
 {
+	int fd;
+
 	DEBUG("flushing path %s\n", path);
 	if (strcmp(path, "/.config") == 0) {
 		return (0);
 	}
 
-	return (-1);
+	fd = (int)fi->fh;
+	/* Fd is not valid, return flush error. */
+	if (fd < 0)
+		return (-ENOENT);
+	return (0);
 }
 
 static int mfs_fsync(const char *path, int datasync,
 					 struct fuse_file_info *fi)
 {
+	int fd;
+
 	DEBUG("fsync path %s\n", path);
-	return (0);
+	fd = (int)fi->fh;
+	/* Fd is not valid, return fsync error. */
+	if (fd < 0)
+		return (-ENOENT);
+	return (fsync(fd));
 }
 
 static int mfs_release(const char *path, struct fuse_file_info *fi)
@@ -330,6 +342,7 @@ static struct fuse_operations mfs_ops = {
 	.mknod      = mfs_mknod,
 	.create     = mfs_create,
 	.truncate   = mfs_truncate,
+	.flush      = mfs_flush,
 	.fsync      = mfs_fsync,
 	.chmod      = mfs_chmod,
 	.release    = mfs_release,