Commit e24d12b7 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

init: split get_fs_names



Split get_fs_names into one function that splits up the command line
argument, and one that gets the list of all registered file systems.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent e73f0f0e
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+26 −22
Original line number Diff line number Diff line
@@ -338,19 +338,20 @@ __setup("rootflags=", root_data_setup);
__setup("rootfstype=", fs_names_setup);
__setup("rootdelay=", root_delay_setup);

static void __init get_fs_names(char *page)
static void __init split_fs_names(char *page, char *names)
{
	char *s = page;

	if (root_fs_names) {
	strcpy(page, root_fs_names);
		while (*s++) {
			if (s[-1] == ',')
				s[-1] = '\0';
	while (*page++) {
		if (page[-1] == ',')
			page[-1] = '\0';
	}
	} else {
	*page = '\0';
}

static void __init get_all_fs_names(char *page)
{
	int len = get_filesystem_list(page);
		char *p, *next;
	char *s = page, *p, *next;

	page[len] = '\0';
	for (p = page - 1; p; p = next) {
@@ -361,7 +362,7 @@ static void __init get_fs_names(char *page)
			;
		s[-1] = '\0';
	}
	}

	*s = '\0';
}

@@ -411,7 +412,10 @@ void __init mount_block_root(char *name, int flags)

	scnprintf(b, BDEVNAME_SIZE, "unknown-block(%u,%u)",
		  MAJOR(ROOT_DEV), MINOR(ROOT_DEV));
	get_fs_names(fs_names);
	if (root_fs_names)
		split_fs_names(fs_names, root_fs_names);
	else
		get_all_fs_names(fs_names);
retry:
	for (p = fs_names; *p; p += strlen(p)+1) {
		int err = do_mount_root(name, p, flags, root_mount_data);