[PATCH] ceph: replacing hard-coded function name using __func__

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Function name may be frequently chaged over time, but hard-coded
function name in error message is easily leftover. Meanwhile,
patch check script always gives a warning when detecting hard-coded
function name in output message.

Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxx>
---
 fs/ceph/cache.c      | 11 ++++++----
 fs/ceph/caps.c       | 35 ++++++++++++++++-------------
 fs/ceph/inode.c      | 43 ++++++++++++++++++++----------------
 fs/ceph/mds_client.c | 62 ++++++++++++++++++++++++++++------------------------
 fs/ceph/mdsmap.c     |  2 +-
 fs/ceph/snap.c       |  9 ++++----
 fs/ceph/super.c      |  8 +++----
 7 files changed, 95 insertions(+), 75 deletions(-)

diff --git a/fs/ceph/cache.c b/fs/ceph/cache.c
index a3ab265..6657e83 100644
--- a/fs/ceph/cache.c
+++ b/fs/ceph/cache.c
@@ -98,8 +98,11 @@ int ceph_fscache_register_fs(struct ceph_fs_client* fsc)
 		if (uniq_len && memcmp(ent->uniquifier, fscache_uniq, uniq_len))
 			continue;
 
-		pr_err("fscache cookie already registered for fsid %pU\n", fsid);
-		pr_err("  use fsc=%%s mount option to specify a uniquifier\n");
+		pr_err("%s: fscache cookie already registered for fsid %pU\n",
+			__func__, fsid);
+		pr_err("%s: use fsc=%%s mount option to specify a uniquifier\n",
+			__func__);
+
 		err = -EBUSY;
 		goto out_unlock;
 	}
@@ -124,8 +127,8 @@ int ceph_fscache_register_fs(struct ceph_fs_client* fsc)
 		list_add_tail(&ent->list, &ceph_fscache_list);
 	} else {
 		kfree(ent);
-		pr_err("unable to register fscache cookie for fsid %pU\n",
-		       fsid);
+		pr_err("%s: unable to register fscache cookie for fsid %pU\n",
+			__func__, fsid);
 		/* all other fs ignore this error */
 	}
 out_unlock:
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 6582c45..728bbb7 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -647,8 +647,8 @@ void ceph_add_cap(struct inode *inode,
 			if (oldrealm)
 				ceph_put_snap_realm(mdsc, oldrealm);
 		} else {
-			pr_err("ceph_add_cap: couldn't find snap realm %llx\n",
-			       realmino);
+			pr_err("%s: couldn't find snap realm %llx\n",
+			       __func__, realmino);
 			WARN_ON(!realm);
 		}
 	}
@@ -1469,8 +1469,9 @@ static void __ceph_flush_snaps(struct ceph_inode_info *ci,
 		ret = __send_flush_snap(inode, session, capsnap, cap->mseq,
 					oldest_flush_tid);
 		if (ret < 0) {
-			pr_err("__flush_snaps: error sending cap flushsnap, "
+			pr_err("%s: error sending cap flushsnap, "
 			       "ino (%llx.%llx) tid %llu follows %llu\n",
+				__func__,
 				ceph_vinop(inode), cf->tid, capsnap->follows);
 		}
 
@@ -2246,8 +2247,8 @@ static void __kick_flushing_caps(struct ceph_mds_client *mdsc,
 
 		cap = ci->i_auth_cap;
 		if (!(cap && cap->session == session)) {
-			pr_err("%p auth cap %p not mds%d ???\n",
-			       inode, cap, session->s_mds);
+			pr_err("%s: %p auth cap %p not mds%d ???\n",
+				__func__, inode, cap, session->s_mds);
 			break;
 		}
 
@@ -2263,9 +2264,10 @@ static void __kick_flushing_caps(struct ceph_mds_client *mdsc,
 					  cap->issued | cap->implemented,
 					  cf->caps, cf->tid, oldest_flush_tid);
 			if (ret) {
-				pr_err("kick_flushing_caps: error sending "
+				pr_err("%s: error sending "
 					"cap flush, ino (%llx.%llx) "
 					"tid %llu flushing %s\n",
+					__func__,
 					ceph_vinop(inode), cf->tid,
 					ceph_cap_string(cf->caps));
 			}
@@ -2283,9 +2285,10 @@ static void __kick_flushing_caps(struct ceph_mds_client *mdsc,
 			ret = __send_flush_snap(inode, session, capsnap, cap->mseq,
 						oldest_flush_tid);
 			if (ret < 0) {
-				pr_err("kick_flushing_caps: error sending "
+				pr_err("%s: error sending "
 					"cap flushsnap, ino (%llx.%llx) "
 					"tid %llu follows %llu\n",
+					__func__,
 					ceph_vinop(inode), cf->tid,
 					capsnap->follows);
 			}
@@ -2314,8 +2317,8 @@ void ceph_early_kick_flushing_caps(struct ceph_mds_client *mdsc,
 		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (!(cap && cap->session == session)) {
-			pr_err("%p auth cap %p not mds%d ???\n",
-				&ci->vfs_inode, cap, session->s_mds);
+			pr_err("%s: %p auth cap %p not mds%d ???\n",
+				__func__, &ci->vfs_inode, cap, session->s_mds);
 			spin_unlock(&ci->i_ceph_lock);
 			continue;
 		}
@@ -2357,8 +2360,8 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
 		spin_lock(&ci->i_ceph_lock);
 		cap = ci->i_auth_cap;
 		if (!(cap && cap->session == session)) {
-			pr_err("%p auth cap %p not mds%d ???\n",
-				&ci->vfs_inode, cap, session->s_mds);
+			pr_err("%s: %p auth cap %p not mds%d ???\n",
+				__func__, &ci->vfs_inode, cap, session->s_mds);
 			spin_unlock(&ci->i_ceph_lock);
 			continue;
 		}
@@ -3474,9 +3477,10 @@ static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
 
 	issued = cap->issued;
 	if (issued != cap->implemented)
-		pr_err_ratelimited("handle_cap_export: issued != implemented: "
+		pr_err_ratelimited("%s: issued != implemented: "
 				"ino (%llx.%llx) mds%d seq %d mseq %d "
 				"issued %s implemented %s\n",
+				__func__,
 				ceph_vinop(inode), mds, cap->seq, cap->mseq,
 				ceph_cap_string(issued),
 				ceph_cap_string(cap->implemented));
@@ -3626,10 +3630,11 @@ static void handle_cap_import(struct ceph_mds_client *mdsc,
 		if ((ph->flags & CEPH_CAP_FLAG_AUTH) &&
 		    (ocap->seq != le32_to_cpu(ph->seq) ||
 		     ocap->mseq != le32_to_cpu(ph->mseq))) {
-			pr_err_ratelimited("handle_cap_import: "
+			pr_err_ratelimited("%s: "
 					"mismatched seq/mseq: ino (%llx.%llx) "
 					"mds%d seq %d mseq %d importer mds%d "
 					"has peer seq %d mseq %d\n",
+					__func__,
 					ceph_vinop(inode), peer, ocap->seq,
 					ocap->mseq, mds, le32_to_cpu(ph->seq),
 					le32_to_cpu(ph->mseq));
@@ -3841,7 +3846,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 
 	default:
 		spin_unlock(&ci->i_ceph_lock);
-		pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
+		pr_err("%s: unknown cap op %d %s\n", __func__, op,
 		       ceph_cap_op_name(op));
 	}
 
@@ -3863,7 +3868,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
 	return;
 
 bad:
-	pr_err("ceph_handle_caps: corrupt message\n");
+	pr_err("%s: corrupt message\n", __func__);
 	ceph_msg_dump(msg);
 	return;
 }
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index c6ec5aa..b88d413 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -281,8 +281,10 @@ static int ceph_fill_dirfrag(struct inode *inode,
 	if (IS_ERR(frag)) {
 		/* this is not the end of the world; we can continue
 		   with bad/inaccurate delegation info */
-		pr_err("fill_dirfrag ENOMEM on mds ref %llx.%llx fg %x\n",
-		       ceph_vinop(inode), le32_to_cpu(dirinfo->frag));
+		pr_err("%s: ENOMEM on mds ref %llx.%llx fg %x\n",
+			__func__,
+			ceph_vinop(inode), le32_to_cpu(dirinfo->frag));
+
 		err = -ENOMEM;
 		goto out;
 	}
@@ -361,9 +363,11 @@ static int ceph_fill_fragtree(struct inode *inode,
 		id = le32_to_cpu(fragtree->splits[i].frag);
 		split_by = le32_to_cpu(fragtree->splits[i].by);
 		if (split_by == 0 || ceph_frag_bits(id) + split_by > 24) {
-			pr_err("fill_fragtree %llx.%llx invalid split %d/%u, "
-			       "frag %x split by %d\n", ceph_vinop(inode),
-			       i, nsplits, id, split_by);
+			pr_err("%s: %llx.%llx invalid split %d/%u, "
+				"frag %x split by %d\n",
+				__func__, ceph_vinop(inode),
+				i, nsplits, id, split_by);
+
 			continue;
 		}
 		frag = NULL;
@@ -604,7 +608,7 @@ int ceph_fill_file_size(struct inode *inode, int issued,
 	    (truncate_seq == ci->i_truncate_seq && size > inode->i_size)) {
 		dout("size %lld -> %llu\n", inode->i_size, size);
 		if (size > 0 && S_ISDIR(inode->i_mode)) {
-			pr_err("fill_file_size non-zero size for directory\n");
+			pr_err("%s: non-zero size for directory\n", __func__);
 			size = 0;
 		}
 		i_size_write(inode, size);
@@ -755,8 +759,8 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
 	if (iinfo->xattr_len > 4) {
 		xattr_blob = ceph_buffer_new(iinfo->xattr_len, GFP_NOFS);
 		if (!xattr_blob)
-			pr_err("fill_inode ENOMEM xattr blob %d bytes\n",
-			       iinfo->xattr_len);
+			pr_err("%s: ENOMEM xattr blob %d bytes\n",
+				__func__, iinfo->xattr_len);
 	}
 
 	if (iinfo->pool_ns_len > 0)
@@ -880,8 +884,9 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
 			spin_unlock(&ci->i_ceph_lock);
 
 			if (symlen != i_size_read(inode)) {
-				pr_err("fill_inode %llx.%llx BAD symlink "
-					"size %lld\n", ceph_vinop(inode),
+				pr_err("%s: %llx.%llx BAD symlink "
+					"size %lld\n",
+					__func__, ceph_vinop(inode),
 					i_size_read(inode));
 				i_size_write(inode, symlen);
 				inode->i_blocks = calc_inode_blocks(symlen);
@@ -914,8 +919,8 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
 		ceph_decode_timespec(&ci->i_rctime, &info->rctime);
 		break;
 	default:
-		pr_err("fill_inode %llx.%llx BAD mode 0%o\n",
-		       ceph_vinop(inode), inode->i_mode);
+		pr_err("%s: %llx.%llx BAD mode 0%o\n",
+			__func__, ceph_vinop(inode), inode->i_mode);
 	}
 
 	/* were we issued a capability? */
@@ -1106,8 +1111,8 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in)
 		d_drop(dn);
 	realdn = d_splice_alias(in, dn);
 	if (IS_ERR(realdn)) {
-		pr_err("splice_dentry error %ld %p inode %p ino %llx.%llx\n",
-		       PTR_ERR(realdn), dn, in, ceph_vinop(in));
+		pr_err("%s: error %ld %p inode %p ino %llx.%llx\n",
+			__func__, PTR_ERR(realdn), dn, in, ceph_vinop(in));
 		dn = realdn; /* note realdn contains the error */
 		goto out;
 	} else if (realdn) {
@@ -1234,8 +1239,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req)
 				rinfo->head->result == 0) ?  req->r_fmode : -1,
 				&req->r_caps_reservation);
 		if (err < 0) {
-			pr_err("fill_inode badness %p %llx.%llx\n",
-				in, ceph_vinop(in));
+			pr_err("%s: badness %p %llx.%llx\n",
+				__func__, in, ceph_vinop(in));
 			goto done;
 		}
 	}
@@ -1429,7 +1434,7 @@ static int readdir_prepopulate_inodes_only(struct ceph_mds_request *req,
 				req->r_request_started, -1,
 				&req->r_caps_reservation);
 		if (rc < 0) {
-			pr_err("fill_inode badness on %p got %d\n", in, rc);
+			pr_err("%s: badness on %p got %d\n", __func__, in, rc);
 			err = rc;
 		}
 		iput(in);
@@ -1629,7 +1634,7 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
 				 req->r_request_started, -1,
 				 &req->r_caps_reservation);
 		if (ret < 0) {
-			pr_err("fill_inode badness on %p\n", in);
+			pr_err("%s: badness on %p\n", __func__, in);
 			if (d_really_is_negative(dn))
 				iput(in);
 			d_drop(dn);
@@ -1780,7 +1785,7 @@ static void ceph_invalidate_work(struct work_struct *work)
 	spin_unlock(&ci->i_ceph_lock);
 
 	if (invalidate_inode_pages2(inode->i_mapping) < 0) {
-		pr_err("invalidate_pages %p fails\n", inode);
+		pr_err("%s: %p fails\n", __func__, inode);
 	}
 
 	spin_lock(&ci->i_ceph_lock);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 2e8f90f..f9175fa 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -160,7 +160,7 @@ static int parse_reply_info_trace(void **p, void *end,
 bad:
 	err = -EIO;
 out_bad:
-	pr_err("problem parsing mds trace %d\n", err);
+	pr_err("%s: problem parsing mds trace %d\n", __func__, err);
 	return err;
 }
 
@@ -197,7 +197,7 @@ static int parse_reply_info_dir(void **p, void *end,
 	BUG_ON(!info->dir_entries);
 	if ((unsigned long)(info->dir_entries + num) >
 	    (unsigned long)info->dir_entries + info->dir_buf_size) {
-		pr_err("dir contents are larger than expected\n");
+		pr_err("%s: dir contents are larger than expected\n", __func__);
 		WARN_ON(1);
 		goto bad;
 	}
@@ -233,7 +233,7 @@ static int parse_reply_info_dir(void **p, void *end,
 bad:
 	err = -EIO;
 out_bad:
-	pr_err("problem parsing dir contents %d\n", err);
+	pr_err("%s: problem parsing dir contents %d\n", __func__, err);
 	return err;
 }
 
@@ -347,7 +347,7 @@ static int parse_reply_info(struct ceph_msg *msg,
 bad:
 	err = -EIO;
 out_bad:
-	pr_err("mds parse_reply err %d\n", err);
+	pr_err("%s: mds parse_reply err %d\n", __func__, err);
 	return err;
 }
 
@@ -611,8 +611,9 @@ static void __register_request(struct ceph_mds_client *mdsc,
 		ret = ceph_reserve_caps(mdsc, &req->r_caps_reservation,
 					req->r_num_caps);
 		if (ret < 0) {
-			pr_err("__register_request %p "
-			       "failed to reserve caps: %d\n", req, ret);
+			pr_err("%s: %p "
+			       "failed to reserve caps: %d\n",
+				__func__, req, ret);
 			/* set req->r_err to fail early from __do_request */
 			req->r_err = ret;
 			return;
@@ -869,7 +870,7 @@ 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("%s: ENOMEM creating msg\n", __func__);
 		return NULL;
 	}
 	h = msg->front.iov_base;
@@ -914,7 +915,7 @@ static struct ceph_msg *create_session_open_msg(struct ceph_mds_client *mdsc, u6
 	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h) + metadata_bytes,
 			   GFP_NOFS, false);
 	if (!msg) {
-		pr_err("create_session_msg ENOMEM creating msg\n");
+		pr_err("%s: ENOMEM creating msg\n", __func__);
 		return NULL;
 	}
 	h = msg->front.iov_base;
@@ -1700,8 +1701,8 @@ void ceph_send_cap_releases(struct ceph_mds_client *mdsc,
 	}
 	return;
 out_err:
-	pr_err("send_cap_releases mds%d, failed to allocate message\n",
-		session->s_mds);
+	pr_err("%s mds%d, failed to allocate message\n",
+		__func__, session->s_mds);
 	spin_lock(&session->s_cap_lock);
 	list_splice(&tmp_list, &session->s_cap_releases);
 	session->s_num_cap_releases += num_cap_releases;
@@ -1873,8 +1874,9 @@ char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
 	}
 	rcu_read_unlock();
 	if (pos != 0 || read_seqretry(&rename_lock, seq)) {
-		pr_err("build_path did not end path lookup where "
-		       "expected, namelen is %d, pos is %d\n", len, pos);
+		pr_err("%s: did not end path lookup where "
+		       "expected, namelen is %d, pos is %d\n",
+			__func__, len, pos);
 		/* presumably this is only possible if racing with a
 		   rename of one of the parent directories (we can not
 		   lock the dentries above us to prevent this, but
@@ -2481,7 +2483,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 	int mds = session->s_mds;
 
 	if (msg->front.iov_len < sizeof(*head)) {
-		pr_err("mdsc_handle_reply got corrupt (short) reply\n");
+		pr_err("%s: got corrupt (short) reply\n", __func__);
 		ceph_msg_dump(msg);
 		return;
 	}
@@ -2499,9 +2501,10 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 
 	/* correct session? */
 	if (req->r_session != session) {
-		pr_err("mdsc_handle_reply got %llu on session mds%d"
-		       " not mds%d\n", tid, session->s_mds,
-		       req->r_session ? req->r_session->s_mds : -1);
+		pr_err("%s: got %llu on session mds%d"
+			" not mds%d\n",
+			__func__, tid, session->s_mds,
+			req->r_session ? req->r_session->s_mds : -1);
 		mutex_unlock(&mdsc->mutex);
 		goto out;
 	}
@@ -2592,7 +2595,8 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
 
 	mutex_lock(&session->s_mutex);
 	if (err < 0) {
-		pr_err("mdsc_handle_reply got corrupt reply mds%d(tid:%lld)\n", mds, tid);
+		pr_err("%s: got corrupt reply mds%d(tid:%lld)\n",
+			__func__, mds, tid);
 		ceph_msg_dump(msg);
 		goto out_err;
 	}
@@ -2708,7 +2712,7 @@ static void handle_forward(struct ceph_mds_client *mdsc,
 	return;
 
 bad:
-	pr_err("mdsc_handle_forward decode error err=%d\n", err);
+	pr_err("%s: decode error err=%d\n", __func__, err);
 }
 
 /*
@@ -2811,7 +2815,7 @@ static void handle_session(struct ceph_mds_session *session,
 		break;
 
 	default:
-		pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);
+		pr_err("%s: bad op %d mds%d\n", __func__, op, mds);
 		WARN_ON(1);
 	}
 
@@ -2828,7 +2832,7 @@ static void handle_session(struct ceph_mds_session *session,
 	return;
 
 bad:
-	pr_err("mdsc_handle_session corrupt message mds%d len %d\n", mds,
+	pr_err("%s: corrupt message mds%d len %d\n", __func__, mds,
 	       (int)msg->front.iov_len);
 	ceph_msg_dump(msg);
 	return;
@@ -3195,7 +3199,8 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
 fail_nomsg:
 	ceph_pagelist_release(pagelist);
 fail_nopagelist:
-	pr_err("error %d preparing reconnect for mds%d\n", err, mds);
+	pr_err("%s: error %d preparing reconnect for mds%d\n",
+		__func__, err, mds);
 	return;
 }
 
@@ -3429,7 +3434,7 @@ static void handle_lease(struct ceph_mds_client *mdsc,
 	return;
 
 bad:
-	pr_err("corrupt lease message\n");
+	pr_err("%s: corrupt lease message\n", __func__);
 	ceph_msg_dump(msg);
 }
 
@@ -3936,7 +3941,7 @@ void ceph_mdsc_handle_fsmap(struct ceph_mds_client *mdsc, struct ceph_msg *msg)
 	return;
 
 bad:
-	pr_err("error decoding fsmap\n");
+	pr_err("%s: error decoding fsmap\n", __func__);
 err_out:
 	mutex_lock(&mdsc->mutex);
 	mdsc->mdsmap_err = err;
@@ -4002,7 +4007,7 @@ void ceph_mdsc_handle_mdsmap(struct ceph_mds_client *mdsc, struct ceph_msg *msg)
 bad_unlock:
 	mutex_unlock(&mdsc->mutex);
 bad:
-	pr_err("error decoding mdsmap %d\n", err);
+	pr_err("%s: error decoding mdsmap %d\n", __func__, err);
 	return;
 }
 
@@ -4079,8 +4084,9 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
 		break;
 
 	default:
-		pr_err("received unknown message type %d %s\n", type,
-		       ceph_msg_type_name(type));
+		pr_err("%s: received unknown message type %d %s\n",
+			__func__, type,
+			ceph_msg_type_name(type));
 	}
 out:
 	ceph_msg_put(msg);
@@ -4156,8 +4162,8 @@ static struct ceph_msg *mds_alloc_msg(struct ceph_connection *con,
 	*skip = 0;
 	msg = ceph_msg_new(type, front_len, GFP_NOFS, false);
 	if (!msg) {
-		pr_err("unable to allocate msg type %d len %d\n",
-		       type, front_len);
+		pr_err("%s: unable to allocate msg type %d len %d\n",
+			__func__, type, front_len);
 		return NULL;
 	}
 
diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c
index 44e53ab..270bb71 100644
--- a/fs/ceph/mdsmap.c
+++ b/fs/ceph/mdsmap.c
@@ -359,7 +359,7 @@ struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
 	err = -ENOMEM;
 	goto out_err;
 bad:
-	pr_err("corrupt mdsmap\n");
+	pr_err("%s: corrupt mdsmap\n", __func__);
 	print_hex_dump(KERN_DEBUG, "mdsmap: ",
 		       DUMP_PREFIX_OFFSET, 16, 1,
 		       start, end - start, true);
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
index 07cf95e..35ed296 100644
--- a/fs/ceph/snap.c
+++ b/fs/ceph/snap.c
@@ -390,7 +390,7 @@ static int build_snap_context(struct ceph_snap_realm *realm,
 		ceph_put_snap_context(realm->cached_context);
 		realm->cached_context = NULL;
 	}
-	pr_err("build_snap_context %llx %p fail %d\n", realm->ino,
+	pr_err("%s: %llx %p fail %d\n", __func__, realm->ino,
 	       realm, err);
 	return err;
 }
@@ -464,7 +464,8 @@ void ceph_queue_cap_snap(struct ceph_inode_info *ci)
 
 	capsnap = kzalloc(sizeof(*capsnap), GFP_NOFS);
 	if (!capsnap) {
-		pr_err("ENOMEM allocating ceph_cap_snap on %p\n", inode);
+		pr_err("%s: ENOMEM allocating ceph_cap_snap on %p\n",
+			__func__, inode);
 		return;
 	}
 
@@ -770,7 +771,7 @@ int ceph_update_snap_trace(struct ceph_mds_client *mdsc,
 		ceph_put_snap_realm(mdsc, realm);
 	if (first_realm)
 		ceph_put_snap_realm(mdsc, first_realm);
-	pr_err("update_snap_trace error %d\n", err);
+	pr_err("%s: error %d\n", __func__, err);
 	return err;
 }
 
@@ -976,7 +977,7 @@ void ceph_handle_snap(struct ceph_mds_client *mdsc,
 	return;
 
 bad:
-	pr_err("corrupt snap message from mds%d\n", mds);
+	pr_err("%s: corrupt snap message from mds%d\n", __func__, mds);
 	ceph_msg_dump(msg);
 out:
 	if (locked_rwsem)
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a62d2a9..3d73bc0 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -203,8 +203,8 @@ static int parse_fsopt_token(char *c, void *private)
 	if (token < Opt_last_int) {
 		ret = match_int(&argstr[0], &intval);
 		if (ret < 0) {
-			pr_err("bad mount option arg (not int) "
-			       "at '%s'\n", c);
+			pr_err("%s: bad mount option arg (not int) "
+				"at '%s'\n", __func__, c);
 			return ret;
 		}
 		dout("got int token %d val %d\n", token, intval);
@@ -454,8 +454,8 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
 	err = -EINVAL;
 	dev_name_end--;		/* back up to ':' separator */
 	if (dev_name_end < dev_name || *dev_name_end != ':') {
-		pr_err("device name is missing path (no : separator in %s)\n",
-				dev_name);
+		pr_err("%s: device name is missing path (no : separator in %s)\n",
+			__func__, dev_name);
 		goto out;
 	}
 	dout("device name '%.*s'\n", (int)(dev_name_end - dev_name), dev_name);
-- 
1.8.3.1

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