Revert "hdd_menu: only offer filesystems with kernel support"

- breaks user-space fs like exfat

This reverts commit 6e6432ad22.


Origin commit data
------------------
Commit: 6d287e46f7
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2015-02-10 (Tue, 10 Feb 2015)

src/gui/hdd_menu.cpp

@@ -217,36 +217,9 @@ std::string CHDDMenuHandler::getFmtType(std::string name, std::string part)
 	return ret;
 }
 
-void CHDDMenuHandler::check_kernel_fs()
-{
-	char line[128]; /* /proc/filesystems lines are shorter */
-	kernel_fs_list.clear();
-	FILE *f = fopen("/proc/filesystems", "r");
-	if (! f) {
-		fprintf(stderr, "CHDDMenuHandler::%s: opening /proc/filesystems failed: %m\n", __func__);
-		return;
-	}
-	while (fgets(line, sizeof(line), f)) {
-		size_t l = strlen(line);
-		if (l > 0)
-			line[l - 1] = 0; /* remove \n */
-		char *tab = strchr(line, '\t');
-		if (! tab)	/* should not happen in any kernel I have seen */
-			continue;
-		tab++;
-		kernel_fs_list.insert(string(tab));
-	}
-	fclose(f);
-}
-
 void CHDDMenuHandler::check_dev_tools()
 {
 	for (unsigned i = 0; i < FS_MAX; i++) {
-		if (kernel_fs_list.find(devtools[i].fmt) == kernel_fs_list.end()) {
-			printf("%s: filesystem '%s' not supported by kernel\n",
-				__func__, devtools[i].fmt.c_str());
-			continue;
-		}
 		if (!access(devtools[i].fsck.c_str(), X_OK))
 			devtools[i].fsck_supported = true;
 		if (!access(devtools[i].mkfs.c_str(), X_OK))
@@ -719,7 +692,6 @@ int CHDDMenuHandler::doMenu()
 	show_menu = false;
 	in_menu = true;
 
-	check_kernel_fs();
 	check_dev_tools();
 
 _show_menu: