diff mbox series

[3/6] ksmbd: add debug prints to know what smb2 requests were received

Message ID 20241123041706.4943-3-linkinjeon@kernel.org (mailing list archive)
State New
Headers show
Series [1/6] ksmbd: use __GFP_RETRY_MAYFAIL | expand

Commit Message

Namjae Jeon Nov. 23, 2024, 4:17 a.m. UTC 
Add debug prints to know what smb2 requests were received.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
 fs/smb/server/smb2pdu.c | 38 +++++++++++++++++++++++++++++---------
 1 file changed, 29 insertions(+), 9 deletions(-)
diff mbox series

Patch

diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 61c82c755f6c..416f7df4edef 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -1666,7 +1666,7 @@  int smb2_sess_setup(struct ksmbd_work *work)
 	unsigned int negblob_len, negblob_off;
 	int rc = 0;
 
-	ksmbd_debug(SMB, "Received request for session setup\n");
+	ksmbd_debug(SMB, "Received smb2 session setup request\n");
 
 	WORK_BUFFERS(work, req, rsp);
 
@@ -1940,6 +1940,8 @@  int smb2_tree_connect(struct ksmbd_work *work)
 	struct ksmbd_share_config *share = NULL;
 	int rc = -EINVAL;
 
+	ksmbd_debug(SMB, "Received smb2 tree connect request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	treename = smb_strndup_from_utf16((char *)req + le16_to_cpu(req->PathOffset),
@@ -2136,9 +2138,9 @@  int smb2_tree_disconnect(struct ksmbd_work *work)
 	struct ksmbd_tree_connect *tcon = work->tcon;
 	int err;
 
-	WORK_BUFFERS(work, req, rsp);
+	ksmbd_debug(SMB, "Received smb2 tree disconnect request\n");
 
-	ksmbd_debug(SMB, "request\n");
+	WORK_BUFFERS(work, req, rsp);
 
 	if (!tcon) {
 		ksmbd_debug(SMB, "Invalid tid %d\n", req->hdr.Id.SyncId.TreeId);
@@ -2203,7 +2205,7 @@  int smb2_session_logoff(struct ksmbd_work *work)
 
 	WORK_BUFFERS(work, req, rsp);
 
-	ksmbd_debug(SMB, "request\n");
+	ksmbd_debug(SMB, "Received smb2 session logoff request\n");
 
 	ksmbd_conn_lock(conn);
 	if (!ksmbd_conn_good(conn)) {
@@ -2849,6 +2851,8 @@  int smb2_open(struct ksmbd_work *work)
 	__le32 daccess, maximal_access = 0;
 	int iov_len = 0;
 
+	ksmbd_debug(SMB, "Received smb2 create request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	if (req->hdr.NextCommand && !work->next_smb2_rcv_hdr_off &&
@@ -4296,6 +4300,8 @@  int smb2_query_dir(struct ksmbd_work *work)
 	int buffer_sz;
 	struct smb2_query_dir_private query_dir_private = {NULL, };
 
+	ksmbd_debug(SMB, "Received smb2 query directory request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	if (ksmbd_override_fsids(work)) {
@@ -5602,9 +5608,9 @@  int smb2_query_info(struct ksmbd_work *work)
 	struct smb2_query_info_rsp *rsp;
 	int rc = 0;
 
-	WORK_BUFFERS(work, req, rsp);
+	ksmbd_debug(SMB, "Received request smb2 query info request\n");
 
-	ksmbd_debug(SMB, "GOT query info request\n");
+	WORK_BUFFERS(work, req, rsp);
 
 	if (ksmbd_override_fsids(work)) {
 		rc = -ENOMEM;
@@ -5709,6 +5715,8 @@  int smb2_close(struct ksmbd_work *work)
 	u64 time;
 	int err = 0;
 
+	ksmbd_debug(SMB, "Received smb2 close request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	if (test_share_config_flag(work->tcon->share_conf,
@@ -5825,6 +5833,8 @@  int smb2_echo(struct ksmbd_work *work)
 {
 	struct smb2_echo_rsp *rsp = smb2_get_msg(work->response_buf);
 
+	ksmbd_debug(SMB, "Received smb2 echo request\n");
+
 	if (work->next_smb2_rcv_hdr_off)
 		rsp = ksmbd_resp_buf_next(work);
 
@@ -6365,7 +6375,7 @@  int smb2_set_info(struct ksmbd_work *work)
 	int rc = 0;
 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
 
-	ksmbd_debug(SMB, "Received set info request\n");
+	ksmbd_debug(SMB, "Received smb2 set info request\n");
 
 	if (work->next_smb2_rcv_hdr_off) {
 		req = ksmbd_req_buf_next(work);
@@ -6591,6 +6601,8 @@  int smb2_read(struct ksmbd_work *work)
 	unsigned int id = KSMBD_NO_FID, pid = KSMBD_NO_FID;
 	void *aux_payload_buf;
 
+	ksmbd_debug(SMB, "Received smb2 read request\n");
+
 	if (test_share_config_flag(work->tcon->share_conf,
 				   KSMBD_SHARE_FLAG_PIPE)) {
 		ksmbd_debug(SMB, "IPC pipe read request\n");
@@ -6856,6 +6868,8 @@  int smb2_write(struct ksmbd_work *work)
 	int err = 0;
 	unsigned int max_write_size = work->conn->vals->max_write_size;
 
+	ksmbd_debug(SMB, "Received smb2 write request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	if (test_share_config_flag(work->tcon->share_conf, KSMBD_SHARE_FLAG_PIPE)) {
@@ -6994,7 +7008,7 @@  int smb2_flush(struct ksmbd_work *work)
 
 	WORK_BUFFERS(work, req, rsp);
 
-	ksmbd_debug(SMB, "SMB2_FLUSH called for fid %llu\n", req->VolatileFileId);
+	ksmbd_debug(SMB, "Received smb2 flush request(fid : %llu)\n", req->VolatileFileId);
 
 	err = ksmbd_vfs_fsync(work, req->VolatileFileId, req->PersistentFileId);
 	if (err)
@@ -7206,7 +7220,7 @@  int smb2_lock(struct ksmbd_work *work)
 
 	WORK_BUFFERS(work, req, rsp);
 
-	ksmbd_debug(SMB, "Received lock request\n");
+	ksmbd_debug(SMB, "Received smb2 lock request\n");
 	fp = ksmbd_lookup_fd_slow(work, req->VolatileFileId, req->PersistentFileId);
 	if (!fp) {
 		ksmbd_debug(SMB, "Invalid file id for lock : %llu\n", req->VolatileFileId);
@@ -7973,6 +7987,8 @@  int smb2_ioctl(struct ksmbd_work *work)
 	int ret = 0;
 	char *buffer;
 
+	ksmbd_debug(SMB, "Received smb2 ioctl request\n");
+
 	if (work->next_smb2_rcv_hdr_off) {
 		req = ksmbd_req_buf_next(work);
 		rsp = ksmbd_resp_buf_next(work);
@@ -8599,6 +8615,8 @@  int smb2_oplock_break(struct ksmbd_work *work)
 	struct smb2_oplock_break *req;
 	struct smb2_oplock_break *rsp;
 
+	ksmbd_debug(SMB, "Received smb2 oplock break acknowledgment request\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	switch (le16_to_cpu(req->StructureSize)) {
@@ -8629,6 +8647,8 @@  int smb2_notify(struct ksmbd_work *work)
 	struct smb2_change_notify_req *req;
 	struct smb2_change_notify_rsp *rsp;
 
+	ksmbd_debug(SMB, "Received smb2 notify\n");
+
 	WORK_BUFFERS(work, req, rsp);
 
 	if (work->next_smb2_rcv_hdr_off && req->hdr.NextCommand) {