[PATCH] md: fix bug when raid1 attempts a partial reconstruct. (ab7a30c7) · Commits · 戴 / test

The logic here is wrong. if fullsync is 0, it WILL BUG. Signed-off-by:

drivers/md/raid1.c

+10 −7

Original line number	Diff line number	Diff line
		@@ -1237,13 +1237,16 @@ static sector_t sync_request(mddev_t mddev, sector_t sector_nr, int skipped, i
		len = (max_sector - sector_nr) << 9;
		if (len == 0)
		break;
		if (!conf->fullsync && sync_blocks == 0)
		if (!conf->fullsync) {
		if (sync_blocks == 0) {
		if (!bitmap_start_sync(mddev->bitmap,
		sector_nr, &sync_blocks))
		break;
		if (sync_blocks < (PAGE_SIZE>>9))
		BUG();
		if (len > (sync_blocks<<9)) len = sync_blocks<<9;
		}
		}

		for (i=0 ; i < conf->raid_disks; i++) {
		bio = r1_bio->bios[i];