fastboot: make the raid autodetect code wait for all devices to init (589f800b) · Commits · 戴 / test

The raid autodetect code really needs to have all devices probed before it can detect raid arrays; not doing so would give rather messy situations where arrays would get detected as degraded while they shouldn't be etc. This is in preparation of removing the "wait for everything to init" code that makes everyone pay, not just raid users. Signed-off-by:

Arjan van de Ven <arjan@linux.intel.com>

init/do_mounts_md.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -267,9 +267,16 @@ __setup("md=", md_setup);
		void __init md_run_setup(void)
		{
		create_dev("/dev/md0", MKDEV(MD_MAJOR, 0));

		if (raid_noautodetect)
		printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n");
		else {
		/*
		* Since we don't want to detect and use half a raid array, we need to
		* wait for the known devices to complete their probing
		*/
		while (driver_probe_done() != 0)
		msleep(100);
		int fd = sys_open("/dev/md0", 0, 0);
		if (fd >= 0) {
		sys_ioctl(fd, RAID_AUTORUN, raid_autopart);

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