ceph: limit rate of cap import/export error messages

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 15 insertions, 7 deletions

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 7e09fa8ab0ed..f28efaecbb50 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3438,7 +3438,14 @@ retry:
          */
 
         issued = cap->issued;
-        WARN_ON(issued != cap->implemented);
+        if (issued != cap->implemented)
+                pr_err_ratelimited("handle_cap_export: issued != implemented: "
+                                "ino (%llx.%llx) mds%d seq %d mseq %d "
+                                "issued %s implemented %s\n",
+                                ceph_vinop(inode), mds, cap->seq, cap->mseq,
+                                ceph_cap_string(issued),
+                                ceph_cap_string(cap->implemented));
+
 
         tcap = __get_cap_for_mds(ci, target);
         if (tcap) {
@@ -3584,12 +3591,13 @@ retry:
                 if ((ph->flags & CEPH_CAP_FLAG_AUTH) &&
                     (ocap->seq != le32_to_cpu(ph->seq) ||
                      ocap->mseq != le32_to_cpu(ph->mseq))) {
-                        pr_err("handle_cap_import: mismatched seq/mseq: "
-                               "ino (%llx.%llx) mds%d seq %d mseq %d "
-                               "importer mds%d has peer seq %d mseq %d\n",
-                               ceph_vinop(inode), peer, ocap->seq,
-                               ocap->mseq, mds, le32_to_cpu(ph->seq),
-                               le32_to_cpu(ph->mseq));
+                        pr_err_ratelimited("handle_cap_import: "
+                                        "mismatched seq/mseq: ino (%llx.%llx) "
+                                        "mds%d seq %d mseq %d importer mds%d "
+                                        "has peer seq %d mseq %d\n",
+                                        ceph_vinop(inode), peer, ocap->seq,
+                                        ocap->mseq, mds, le32_to_cpu(ph->seq),
+                                        le32_to_cpu(ph->mseq));
                 }
                 __ceph_remove_cap(ocap, (ph->flags & CEPH_CAP_FLAG_RELEASE));
         }