drbd: ratelimit io error messages

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

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 3df37e65c118307d003a9ad24cc17403c0b73fa0..7bfeb79e7105fecd091dfb2e34ecc2eca24d5f4e 100644 (file)
--- 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?! */