Since there are only 19 command codes, it also is easier to track by exact
command code than it was for cifs.
Signed-off-by: Pavel Shilovsky <pshilovsky@xxxxxxxxx>
---
fs/cifs/cifsglob.h | 9 ++++++
fs/cifs/smb2ops.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++
fs/cifs/smb2pdu.c | 4 +--
3 files changed, 91 insertions(+), 3 deletions(-)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 3665e1c..9f11a78 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -28,6 +28,9 @@
#include "cifsacl.h"
#include <crypto/internal/hash.h>
#include <linux/scatterlist.h>
+#ifdef CONFIG_CIFS_SMB2
+#include "smb2pdu.h"
+#endif
/*
* The sizes of various internal tables and strings
@@ -582,6 +585,12 @@ struct cifs_tcon {
atomic_t num_acl_get;
atomic_t num_acl_set;
} cifs_stats;
+#ifdef CONFIG_CIFS_SMB2
+ struct {
+ atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS];
+ atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS];
+ } smb2_stats;
+#endif /* CONFIG_CIFS_SMB2 */
} stats;
#ifdef CONFIG_CIFS_STATS2
unsigned long long time_writes;
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index bf277c3..e3686ee 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -212,6 +212,85 @@ smb2_can_echo(struct TCP_Server_Info *server)
return server->echos;
}
+static void
+smb2_clear_stats(struct cifs_tcon *tcon)
+{
+#ifdef CONFIG_CIFS_STATS
+ int i;
+ for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
+ atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
+ atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
+ }
+#endif
+}
+
+static void
+smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
+{
+#ifdef CONFIG_CIFS_STATS
+ atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
+ atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
+ seq_printf(m, "\nNegotiates: %d sent %d failed",
+ atomic_read(&sent[SMB2NEGOTIATE]),
+ atomic_read(&failed[SMB2NEGOTIATE]));
+ seq_printf(m, "\nSessionSetups: %d sent %d failed",
+ atomic_read(&sent[SMB2SESSION_SETUP]),
+ atomic_read(&failed[SMB2SESSION_SETUP]));
+#define SMB2LOGOFF 0x0002 /* trivial request/resp */
+ seq_printf(m, "\nLogoffs: %d sent %d failed",
+ atomic_read(&sent[SMB2LOGOFF]),
+ atomic_read(&failed[SMB2LOGOFF]));
+ seq_printf(m, "\nTreeConnects: %d sent %d failed",
+ atomic_read(&sent[SMB2TREE_CONNECT]),
+ atomic_read(&failed[SMB2TREE_CONNECT]));
+ seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
+ atomic_read(&sent[SMB2TREE_DISCONNECT]),
+ atomic_read(&failed[SMB2TREE_DISCONNECT]));
+ seq_printf(m, "\nCreates: %d sent %d failed",
+ atomic_read(&sent[SMB2CREATE]),
+ atomic_read(&failed[SMB2CREATE]));
+ seq_printf(m, "\nCloses: %d sent %d failed",
+ atomic_read(&sent[SMB2CLOSE]),
+ atomic_read(&failed[SMB2CLOSE]));
+ seq_printf(m, "\nFlushes: %d sent %d failed",
+ atomic_read(&sent[SMB2FLUSH]),
+ atomic_read(&failed[SMB2FLUSH]));
+ seq_printf(m, "\nReads: %d sent %d failed",
+ atomic_read(&sent[SMB2READ]),
+ atomic_read(&failed[SMB2READ]));
+ seq_printf(m, "\nWrites: %d sent %d failed",
+ atomic_read(&sent[SMB2WRITE]),
+ atomic_read(&failed[SMB2WRITE]));
+ seq_printf(m, "\nLocks: %d sent %d failed",
+ atomic_read(&sent[SMB2LOCK]),
+ atomic_read(&failed[SMB2LOCK]));
+ seq_printf(m, "\nIOCTLs: %d sent %d failed",
+ atomic_read(&sent[SMB2IOCTL]),
+ atomic_read(&failed[SMB2IOCTL]));
+ seq_printf(m, "\nCancels: %d sent %d failed",
+ atomic_read(&sent[SMB2CANCEL]),
+ atomic_read(&failed[SMB2CANCEL]));
+ seq_printf(m, "\nEchos: %d sent %d failed",
+ atomic_read(&sent[SMB2ECHO]),
+ atomic_read(&failed[SMB2ECHO]));
+ seq_printf(m, "\nQueryDirectories: %d sent %d failed",
+ atomic_read(&sent[SMB2QUERY_DIRECTORY]),
+ atomic_read(&failed[SMB2QUERY_DIRECTORY]));
+ seq_printf(m, "\nChangeNotifies: %d sent %d failed",
+ atomic_read(&sent[SMB2CHANGE_NOTIFY]),
+ atomic_read(&failed[SMB2CHANGE_NOTIFY]));
+ seq_printf(m, "\nQueryInfos: %d sent %d failed",
+ atomic_read(&sent[SMB2QUERY_INFO]),
+ atomic_read(&failed[SMB2QUERY_INFO]));
+ seq_printf(m, "\nSetInfos: %d sent %d failed",
+ atomic_read(&sent[SMB2SET_INFO]),
+ atomic_read(&failed[SMB2SET_INFO]));
+ seq_printf(m, "\nOplockBreaks: %d sent %d failed",
+ atomic_read(&sent[SMB2OPLOCK_BREAK]),
+ atomic_read(&failed[SMB2OPLOCK_BREAK]));
+#endif
+}
+
struct smb_version_operations smb21_operations = {
.setup_request = smb2_setup_request,
.check_receive = smb2_check_receive,
@@ -223,6 +302,8 @@ struct smb_version_operations smb21_operations = {
.find_mid = smb2_find_mid,
.check_message = smb2_check_message,
.dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.sess_setup = SMB2_sess_setup,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 10eb1b6..609eb04 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -286,10 +286,8 @@ small_smb2_init(__le16 smb2_command, struct cifs_tcon *tcon,
if (tcon != NULL) {
#ifdef CONFIG_CIFS_STATS2
- /*
uint16_t com_code = le16_to_cpu(smb2_command);
cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_sent[com_code]);
- */
#endif
cifs_stats_inc(&tcon->num_smbs_sent);
}
@@ -685,7 +683,7 @@ SMB2_logoff(const int xid, struct cifs_ses *ses)
static inline void cifs_stats_fail_inc(struct cifs_tcon *tcon, uint16_t code)
{
- /* cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_fail[code]); */
+ cifs_stats_inc(&tcon->stats.smb2_stats.smb2_com_failed[code]);
}
#define MAX_SHARENAME_LENGTH (255 /* server */ + 80 /* share */ + 1 /* NULL */)
--
1.7.1
--
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