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md: don't display meaningless values in sysfs files resync_start and sync_speed

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When no resync if happening, both of these files currently have
meaningless values (is slightly different ways).
Change them to "none" in that case.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-03-31 15:24:32 +11:00
parent 88ce4930e2
commit d1a7c50369
1 changed files with 4 additions and 0 deletions
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4
drivers/md/md.c
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@ -2888,6 +2888,8 @@ __ATTR(chunk_size, S_IRUGO|S_IWUSR, chunk_size_show, chunk_size_store);
static ssize_t
resync_start_show(mddev_t *mddev, char *page)
{
if (mddev->recovery_cp == MaxSector)
return sprintf(page, "none\n");
return sprintf(page, "%llu\n", (unsigned long long)mddev->recovery_cp);
}
@ -3469,6 +3471,8 @@ static ssize_t
sync_speed_show(mddev_t *mddev, char *page)
{
unsigned long resync, dt, db;
if (mddev->curr_resync == 0)
return sprintf(page, "none\n");
resync = mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active);
dt = (jiffies - mddev->resync_mark) / HZ;
if (!dt) dt++;