From: NeilBrown Date: Thu, 2 Feb 2006 22:28:04 +0000 (-0800) Subject: [PATCH] md: Make sure array geometry changes persist with version-1 superblocks X-Git-Tag: v2.6.16-rc2~1^2~3 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f0ca340cd20b350eab8288974e9a6077900846e8;p=~emulex%2Finfiniband.git [PATCH] md: Make sure array geometry changes persist with version-1 superblocks super_1_sync only updates fields in the superblock that might have changed. 'raid_disks' and 'size' could have changed, but this information doesn't get updated.... until this patch. Signed-off-by: Neil Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/drivers/md/md.c b/drivers/md/md.c index 9fac8ac496c..06dee51456e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1161,6 +1161,9 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev) sb->cnt_corrected_read = atomic_read(&rdev->corrected_errors); + sb->raid_disks = cpu_to_le32(mddev->raid_disks); + sb->size = cpu_to_le64(mddev->size); + if (mddev->bitmap && mddev->bitmap_file == NULL) { sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_offset); sb->feature_map = cpu_to_le32(MD_FEATURE_BITMAP_OFFSET);