On Tue, 2021-06-29 at 12:42 +0800, xiubli@xxxxxxxxxx wrote: > From: Xiubo Li <xiubli@xxxxxxxxxx> > nit: the subject of this patch is not quite right. You aren't exporting it here, just making it a global symbol (within ceph.ko). > Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx> > --- > fs/ceph/mds_client.c | 15 ++++++++------- > fs/ceph/mds_client.h | 1 + > 2 files changed, 9 insertions(+), 7 deletions(-) > > diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c > index 2d7dcd295bb9..e49d3e230712 100644 > --- a/fs/ceph/mds_client.c > +++ b/fs/ceph/mds_client.c > @@ -1150,7 +1150,7 @@ static int __choose_mds(struct ceph_mds_client *mdsc, > /* > * session messages > */ > -static struct ceph_msg *create_session_msg(u32 op, u64 seq) > +struct ceph_msg *ceph_create_session_msg(u32 op, u64 seq) > { > struct ceph_msg *msg; > struct ceph_mds_session_head *h; > @@ -1158,7 +1158,7 @@ static struct ceph_msg *create_session_msg(u32 op, u64 seq) > msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), GFP_NOFS, > false); > if (!msg) { > - pr_err("create_session_msg ENOMEM creating msg\n"); > + pr_err("ceph_create_session_msg ENOMEM creating msg\n"); instead of hardcoding the function names in these error messages, use __func__ instead? That makes it easier to keep up with code changes. pr_err("%s ENOMEM creating msg\n", __func__); > return NULL; > } > h = msg->front.iov_base; > @@ -1289,7 +1289,7 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6 > msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h) + extra_bytes, > GFP_NOFS, false); > if (!msg) { > - pr_err("create_session_msg ENOMEM creating msg\n"); > + pr_err("ceph_create_session_msg ENOMEM creating msg\n"); > return ERR_PTR(-ENOMEM); > } > p = msg->front.iov_base; > @@ -1801,8 +1801,8 @@ static int send_renew_caps(struct ceph_mds_client *mdsc, > > dout("send_renew_caps to mds%d (%s)\n", session->s_mds, > ceph_mds_state_name(state)); > - msg = create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS, > - ++session->s_renew_seq); > + msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS, > + ++session->s_renew_seq); > if (!msg) > return -ENOMEM; > ceph_con_send(&session->s_con, msg); > @@ -1816,7 +1816,7 @@ static int send_flushmsg_ack(struct ceph_mds_client *mdsc, > > dout("send_flushmsg_ack to mds%d (%s)s seq %lld\n", > session->s_mds, ceph_session_state_name(session->s_state), seq); > - msg = create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq); > + msg = ceph_create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq); > if (!msg) > return -ENOMEM; > ceph_con_send(&session->s_con, msg); > @@ -1868,7 +1868,8 @@ static int request_close_session(struct ceph_mds_session *session) > dout("request_close_session mds%d state %s seq %lld\n", > session->s_mds, ceph_session_state_name(session->s_state), > session->s_seq); > - msg = create_session_msg(CEPH_SESSION_REQUEST_CLOSE, session->s_seq); > + msg = ceph_create_session_msg(CEPH_SESSION_REQUEST_CLOSE, > + session->s_seq); > if (!msg) > return -ENOMEM; > ceph_con_send(&session->s_con, msg); > diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h > index bf99c5ba47fc..bf2683f0ba43 100644 > --- a/fs/ceph/mds_client.h > +++ b/fs/ceph/mds_client.h > @@ -523,6 +523,7 @@ static inline void ceph_mdsc_put_request(struct ceph_mds_request *req) > kref_put(&req->r_kref, ceph_mdsc_release_request); > } > > +extern struct ceph_msg *ceph_create_session_msg(u32 op, u64 seq); > extern void __ceph_queue_cap_release(struct ceph_mds_session *session, > struct ceph_cap *cap); > extern void ceph_flush_cap_releases(struct ceph_mds_client *mdsc, -- Jeff Layton <jlayton@xxxxxxxxxx>