From: NeilBrown Date: Fri, 9 Sep 2005 23:24:00 +0000 (-0700) Subject: [PATCH] md: add information about superblock version to /proc/mdstat X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1cd6bf19bbe8098153d7a478d8fc551edbea9305;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [PATCH] md: add information about superblock version to /proc/mdstat Leave it unchanged if the original (0.90) is used, incase it might be a compatability problem. 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 39b917bc0fc0..0a13016829da 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3346,6 +3346,15 @@ static int md_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "\n %llu blocks", (unsigned long long)size); } + if (mddev->persistent) { + if (mddev->major_version != 0 || + mddev->minor_version != 90) { + seq_printf(seq," super %d.%d", + mddev->major_version, + mddev->minor_version); + } + } else + seq_printf(seq, " super non-persistent"); if (mddev->pers) { mddev->pers->status (seq, mddev);