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[PATCH] md: add information about superblock version to /proc/mdstat

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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>
This commit is contained in:
NeilBrown 2005-09-09 16:24:00 -07:00 committed by Linus Torvalds
parent 720a3dc39b
commit 1cd6bf19bb
1 changed files with 9 additions and 0 deletions
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9
drivers/md/md.c
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@ -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);