drbd: ratelimit io error messages

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 3df37e65c118..7bfeb79e7105 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -165,14 +165,15 @@ void drbd_endio_sec(struct bio *bio, int error)
         int uptodate = bio_flagged(bio, BIO_UPTODATE);
         int is_write = bio_data_dir(bio) == WRITE;
 
-        if (error)
+        if (error && __ratelimit(&drbd_ratelimit_state))
                 dev_warn(DEV, "%s: error=%d s=%llus\n",
                                 is_write ? "write" : "read", error,
                                 (unsigned long long)e->sector);
         if (!error && !uptodate) {
-                dev_warn(DEV, "%s: setting error to -EIO s=%llus\n",
-                                is_write ? "write" : "read",
-                                (unsigned long long)e->sector);
+                if (__ratelimit(&drbd_ratelimit_state))
+                        dev_warn(DEV, "%s: setting error to -EIO s=%llus\n",
+                                        is_write ? "write" : "read",
+                                        (unsigned long long)e->sector);
                 /* strange behavior of some lower level drivers...
                  * fail the request by clearing the uptodate flag,
                  * but do not return any error?! */