From d60622eb5a23904facf4a4efac60f5bfa810d7d4 Mon Sep 17 00:00:00 2001 From: Pavel Shilovsky Date: Mon, 28 May 2012 15:19:39 +0400 Subject: CIFS: Allow SMB2 statistics to be tracked 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 Signed-off-by: Steve French --- fs/cifs/cifsglob.h | 9 ++++++ fs/cifs/smb2ops.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ fs/cifs/smb2pdu.c | 4 +-- 3 files changed, 91 insertions(+), 3 deletions(-) (limited to 'fs/cifs') diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 0896328418a..12b1176b87b 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -28,6 +28,9 @@ #include "cifsacl.h" #include #include +#ifdef CONFIG_CIFS_SMB2 +#include "smb2pdu.h" +#endif /* * The sizes of various internal tables and strings @@ -592,6 +595,12 @@ 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 483bd0ba2ec..1018c5c6b5b 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -213,6 +213,85 @@ smb2_can_echo(struct TCP_Server_Info *server) return server->echoes; } +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[SMB2_NEGOTIATE_HE]), + atomic_read(&failed[SMB2_NEGOTIATE_HE])); + seq_printf(m, "\nSessionSetups: %d sent %d failed", + atomic_read(&sent[SMB2_SESSION_SETUP_HE]), + atomic_read(&failed[SMB2_SESSION_SETUP_HE])); +#define SMB2LOGOFF 0x0002 /* trivial request/resp */ + seq_printf(m, "\nLogoffs: %d sent %d failed", + atomic_read(&sent[SMB2_LOGOFF_HE]), + atomic_read(&failed[SMB2_LOGOFF_HE])); + seq_printf(m, "\nTreeConnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_CONNECT_HE]), + atomic_read(&failed[SMB2_TREE_CONNECT_HE])); + seq_printf(m, "\nTreeDisconnects: %d sent %d failed", + atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), + atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); + seq_printf(m, "\nCreates: %d sent %d failed", + atomic_read(&sent[SMB2_CREATE_HE]), + atomic_read(&failed[SMB2_CREATE_HE])); + seq_printf(m, "\nCloses: %d sent %d failed", + atomic_read(&sent[SMB2_CLOSE_HE]), + atomic_read(&failed[SMB2_CLOSE_HE])); + seq_printf(m, "\nFlushes: %d sent %d failed", + atomic_read(&sent[SMB2_FLUSH_HE]), + atomic_read(&failed[SMB2_FLUSH_HE])); + seq_printf(m, "\nReads: %d sent %d failed", + atomic_read(&sent[SMB2_READ_HE]), + atomic_read(&failed[SMB2_READ_HE])); + seq_printf(m, "\nWrites: %d sent %d failed", + atomic_read(&sent[SMB2_WRITE_HE]), + atomic_read(&failed[SMB2_WRITE_HE])); + seq_printf(m, "\nLocks: %d sent %d failed", + atomic_read(&sent[SMB2_LOCK_HE]), + atomic_read(&failed[SMB2_LOCK_HE])); + seq_printf(m, "\nIOCTLs: %d sent %d failed", + atomic_read(&sent[SMB2_IOCTL_HE]), + atomic_read(&failed[SMB2_IOCTL_HE])); + seq_printf(m, "\nCancels: %d sent %d failed", + atomic_read(&sent[SMB2_CANCEL_HE]), + atomic_read(&failed[SMB2_CANCEL_HE])); + seq_printf(m, "\nEchos: %d sent %d failed", + atomic_read(&sent[SMB2_ECHO_HE]), + atomic_read(&failed[SMB2_ECHO_HE])); + seq_printf(m, "\nQueryDirectories: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), + atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); + seq_printf(m, "\nChangeNotifies: %d sent %d failed", + atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), + atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); + seq_printf(m, "\nQueryInfos: %d sent %d failed", + atomic_read(&sent[SMB2_QUERY_INFO_HE]), + atomic_read(&failed[SMB2_QUERY_INFO_HE])); + seq_printf(m, "\nSetInfos: %d sent %d failed", + atomic_read(&sent[SMB2_SET_INFO_HE]), + atomic_read(&failed[SMB2_SET_INFO_HE])); + seq_printf(m, "\nOplockBreaks: %d sent %d failed", + atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), + atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); +#endif +} + struct smb_version_operations smb21_operations = { .setup_request = smb2_setup_request, .setup_async_request = smb2_setup_async_request, @@ -225,6 +304,8 @@ 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 373b6945161..e4eb1d3fb7d 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -282,10 +282,8 @@ 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); } @@ -677,7 +675,7 @@ SMB2_logoff(const unsigned 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 */) -- cgit v1.2.3-70-g09d2