[Devel] [PATCH RH9 2/2] dm-tracking: Do not return EAGAIN in case of there is no changed clu

[Kirill Tkhai]

Return nothing (we do not call DMEMIT() in this case) instead.
EAGAIN may confuse a user.

Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 drivers/md/dm-tracking.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-tracking.c b/drivers/md/dm-tracking.c
index a8880a83d270..e66060246acc 100644
--- a/drivers/md/dm-tracking.c
+++ b/drivers/md/dm-tracking.c
@@ -213,7 +213,7 @@ static int tracking_get_next(struct dm_tracking *dmt, char *result,
 {
 	unsigned int i, sz = 0, nr_clus = dmt->nr_clus, prev = dmt->cursor;
 	void *bitmap = dmt->bitmap;
-	int ret = -EAGAIN;
+	int ret = 0;
 
 	if (WARN_ON_ONCE(prev > nr_clus - 1))
 		prev = 0;