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md: Report failed arrays as broken in mdstat

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Depending on if array has personality, it is either reported as active or
inactive. This patch adds third status "broken" for arrays with
personality that became inoperative. The reason is end users tend to
assume that "active" indicates array is operational.

Add "broken" state for inoperative arrays with personality and refactor
the code.

Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Link: https://lore.kernel.org/r/20240903142949.53628-1-mateusz.kusiak@intel.com
Signed-off-by: Song Liu <song@kernel.org>
This commit is contained in:
Mateusz Kusiak 2024-09-03 16:29:49 +02:00 committed by Song Liu
parent fb16787b39
commit 2d2b3bc145
1 changed files with 7 additions and 2 deletions
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9
drivers/md/md.c
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@ -8327,14 +8327,19 @@ static int md_seq_show(struct seq_file *seq, void *v)
spin_unlock(&all_mddevs_lock);
spin_lock(&mddev->lock);
if (mddev->pers || mddev->raid_disks || !list_empty(&mddev->disks)) {
seq_printf(seq, "%s : %sactive", mdname(mddev),
mddev->pers ? "" : "in");
seq_printf(seq, "%s : ", mdname(mddev));
if (mddev->pers) {
if (test_bit(MD_BROKEN, &mddev->flags))
seq_printf(seq, "broken");
else
seq_printf(seq, "active");
if (mddev->ro == MD_RDONLY)
seq_printf(seq, " (read-only)");
if (mddev->ro == MD_AUTO_READ)
seq_printf(seq, " (auto-read-only)");
seq_printf(seq, " %s", mddev->pers->name);
} else {
seq_printf(seq, "inactive");
}
sectors = 0;