Commit 247b1f19 authored by Xiubo Li's avatar Xiubo Li Committed by Ilya Dryomov
Browse files

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: default avatarXiubo Li <xiubli@redhat.com>
Reviewed-by: default avatarJeff Layton <jlayton@kernel.org>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 36c9478d

fs/ceph/debugfs.c

+20 −0
Original line number Diff line number Diff line
@@ -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);

}

fs/ceph/super.h

+1 −0
Original line number Diff line number Diff line
@@ -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