summaryrefslogtreecommitdiff
path: root/fs/ceph/mds_client.h
diff options
context:
space:
mode:
authorXiubo Li <xiubli@redhat.com>2020-03-19 23:44:59 -0400
committerIlya Dryomov <idryomov@gmail.com>2020-06-01 13:22:51 +0200
commitf9009efac49c830460f55b9f6c08ee0d76f31b0d (patch)
tree385a58979017657cc29390c7c1aee07e1f61e476 /fs/ceph/mds_client.h
parent3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 (diff)
ceph: add dentry lease metric support
For dentry leases, only count the hit/miss info triggered from the vfs calls. For the cases like request reply handling and ceph_trim_dentries, ignore them. For now, these are only viewable using debugfs. Future patches will allow the client to send the stats to the MDS. The output looks like: item total miss hit ------------------------------------------------- d_lease 11 7 141 URL: https://tracker.ceph.com/issues/43215 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/mds_client.h')
-rw-r--r--fs/ceph/mds_client.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 903d9edfd4bf..605995ae3718 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -16,6 +16,8 @@
#include <linux/ceph/mdsmap.h>
#include <linux/ceph/auth.h>
+#include "metric.h"
+
/* The first 8 bits are reserved for old ceph releases */
enum ceph_feature_type {
CEPHFS_FEATURE_MIMIC = 8,
@@ -454,6 +456,8 @@ struct ceph_mds_client {
struct list_head dentry_leases; /* fifo list */
struct list_head dentry_dir_leases; /* lru list */
+ struct ceph_client_metric metric;
+
spinlock_t snapid_map_lock;
struct rb_root snapid_map_tree;
struct list_head snapid_map_lru;