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authorXiubo Li <xiubli@redhat.com>2020-11-11 09:29:39 +0800
committerIlya Dryomov <idryomov@gmail.com>2020-12-14 23:21:47 +0100
commit247b1f19dbeb4855cb891ca01428d7a81c1657a7 (patch)
treef01ac5211476635212956715c8687e9827821cab
parent36c9478d6069994848c8897755b4380aa0a29dd3 (diff)
downloadlinux-247b1f19dbeb4855cb891ca01428d7a81c1657a7.tar.gz
ceph: add status debugfs file
This will help list some useful client side info, like the client entity address/name and blocklisted status, etc. URL: https://tracker.ceph.com/issues/48057 Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
-rw-r--r--fs/ceph/debugfs.c20
-rw-r--r--fs/ceph/super.h1
2 files changed, 21 insertions, 0 deletions
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 7a8fbe3e4751..66989c880adb 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -304,11 +304,25 @@ static int mds_sessions_show(struct seq_file *s, void *ptr)
return 0;
}
+static int status_show(struct seq_file *s, void *p)
+{
+ struct ceph_fs_client *fsc = s->private;
+ struct ceph_entity_inst *inst = &fsc->client->msgr.inst;
+ struct ceph_entity_addr *client_addr = ceph_client_addr(fsc->client);
+
+ seq_printf(s, "instance: %s.%lld %s/%u\n", ENTITY_NAME(inst->name),
+ ceph_pr_addr(client_addr), le32_to_cpu(client_addr->nonce));
+ seq_printf(s, "blocklisted: %s\n", fsc->blocklisted ? "true" : "false");
+
+ return 0;
+}
+
DEFINE_SHOW_ATTRIBUTE(mdsmap);
DEFINE_SHOW_ATTRIBUTE(mdsc);
DEFINE_SHOW_ATTRIBUTE(caps);
DEFINE_SHOW_ATTRIBUTE(mds_sessions);
DEFINE_SHOW_ATTRIBUTE(metric);
+DEFINE_SHOW_ATTRIBUTE(status);
/*
@@ -394,6 +408,12 @@ void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
fsc->client->debugfs_dir,
fsc,
&caps_fops);
+
+ fsc->debugfs_status = debugfs_create_file("status",
+ 0400,
+ fsc->client->debugfs_dir,
+ fsc,
+ &status_fops);
}
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index f097237a5ad3..5138b75923f9 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -128,6 +128,7 @@ struct ceph_fs_client {
struct dentry *debugfs_bdi;
struct dentry *debugfs_mdsc, *debugfs_mdsmap;
struct dentry *debugfs_metric;
+ struct dentry *debugfs_status;
struct dentry *debugfs_mds_sessions;
#endif