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authorNeilBrown <neilb@suse.de>2005-09-09 16:24:00 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 16:39:14 -0700
commit1cd6bf19bbe8098153d7a478d8fc551edbea9305 (patch)
tree35f662b0a07a14c76ef7b48e06c8b20b63d00488 /drivers/md
parent720a3dc39b030e273bc955641f2517874fd38fc5 (diff)
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[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 <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 39b917b..0a13016 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);