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authorNeilBrown <neilb@suse.de>2009-03-31 15:24:32 +1100
committerNeilBrown <neilb@suse.de>2009-03-31 15:24:32 +1100
commitd1a7c50369835f9ecbd7752016cd9302ecfae678 (patch)
tree2c6bcc8c5cb4d045d555e0d030321cb887a4e05a /drivers/md
parent88ce4930e2b80378d45506ce2c3bb5820e156e85 (diff)
downloadlinux-next-d1a7c50369835f9ecbd7752016cd9302ecfae678.tar.gz
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>
Diffstat (limited to 'drivers/md')
-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);
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++;