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authorNeilBrown <neilb@suse.de>2009-03-31 00:24:32 -0400
committerNeilBrown <neilb@suse.de>2009-03-31 00:24:32 -0400
commitd1a7c50369835f9ecbd7752016cd9302ecfae678 (patch)
tree2c6bcc8c5cb4d045d555e0d030321cb887a4e05a
parent88ce4930e2b80378d45506ce2c3bb5820e156e85 (diff)
md: don't display meaningless values in sysfs files resync_start and sync_speed
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>
-rw-r--r--drivers/md/md.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c50931352b23..2be574c0a27a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2888,6 +2888,8 @@ __ATTR(chunk_size, S_IRUGO|S_IWUSR, chunk_size_show, chunk_size_store);
2888static ssize_t 2888static ssize_t
2889resync_start_show(mddev_t *mddev, char *page) 2889resync_start_show(mddev_t *mddev, char *page)
2890{ 2890{
2891 if (mddev->recovery_cp == MaxSector)
2892 return sprintf(page, "none\n");
2891 return sprintf(page, "%llu\n", (unsigned long long)mddev->recovery_cp); 2893 return sprintf(page, "%llu\n", (unsigned long long)mddev->recovery_cp);
2892} 2894}
2893 2895
@@ -3469,6 +3471,8 @@ static ssize_t
3469sync_speed_show(mddev_t *mddev, char *page) 3471sync_speed_show(mddev_t *mddev, char *page)
3470{ 3472{
3471 unsigned long resync, dt, db; 3473 unsigned long resync, dt, db;
3474 if (mddev->curr_resync == 0)
3475 return sprintf(page, "none\n");
3472 resync = mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active); 3476 resync = mddev->curr_mark_cnt - atomic_read(&mddev->recovery_active);
3473 dt = (jiffies - mddev->resync_mark) / HZ; 3477 dt = (jiffies - mddev->resync_mark) / HZ;
3474 if (!dt) dt++; 3478 if (!dt) dt++;