From: "Yan, Zheng" <zyan@redhat.com>
Date: Wed, 3 Jan 2018 11:16:27 +0800
Subject: ceph: limit rate of cap import/export error messages
Git-commit: d84b37f9fa9b23a46af28d2e9430c87718b6b044
Patch-mainline: v4.16-rc1
References: FATE#324714
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
fs/ceph/caps.c | 22 +++++++++++++++-------
1 file changed, 15 insertions(+), 7 deletions(-)
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3437,7 +3437,14 @@ 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) {
@@ -3583,12 +3590,13 @@ 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));
}