diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/trace.h | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/fs/cifs/trace.h b/fs/cifs/trace.h index d6df908dccad..dafcb6ab050d 100644 --- a/fs/cifs/trace.h +++ b/fs/cifs/trace.h @@ -12,6 +12,11 @@ #include <linux/tracepoint.h> +/* + * Please use this 3-part article as a reference for writing new tracepoints: + * https://lwn.net/Articles/379903/ + */ + /* For logging errors in read or write */ DECLARE_EVENT_CLASS(smb3_rw_err_class, TP_PROTO(unsigned int xid, @@ -529,16 +534,16 @@ DECLARE_EVENT_CLASS(smb3_exit_err_class, TP_ARGS(xid, func_name, rc), TP_STRUCT__entry( __field(unsigned int, xid) - __field(const char *, func_name) + __string(func_name, func_name) __field(int, rc) ), TP_fast_assign( __entry->xid = xid; - __entry->func_name = func_name; + __assign_str(func_name, func_name); __entry->rc = rc; ), TP_printk("\t%s: xid=%u rc=%d", - __entry->func_name, __entry->xid, __entry->rc) + __get_str(func_name), __entry->xid, __entry->rc) ) #define DEFINE_SMB3_EXIT_ERR_EVENT(name) \ @@ -583,14 +588,14 @@ DECLARE_EVENT_CLASS(smb3_enter_exit_class, TP_ARGS(xid, func_name), TP_STRUCT__entry( __field(unsigned int, xid) - __field(const char *, func_name) + __string(func_name, func_name) ), TP_fast_assign( __entry->xid = xid; - __entry->func_name = func_name; + __assign_str(func_name, func_name); ), TP_printk("\t%s: xid=%u", - __entry->func_name, __entry->xid) + __get_str(func_name), __entry->xid) ) #define DEFINE_SMB3_ENTER_EXIT_EVENT(name) \ @@ -857,16 +862,16 @@ DECLARE_EVENT_CLASS(smb3_reconnect_class, TP_STRUCT__entry( __field(__u64, currmid) __field(__u64, conn_id) - __field(char *, hostname) + __string(hostname, hostname) ), TP_fast_assign( __entry->currmid = currmid; __entry->conn_id = conn_id; - __entry->hostname = hostname; + __assign_str(hostname, hostname); ), TP_printk("conn_id=0x%llx server=%s current_mid=%llu", __entry->conn_id, - __entry->hostname, + __get_str(hostname), __entry->currmid) ) @@ -891,7 +896,7 @@ DECLARE_EVENT_CLASS(smb3_credit_class, TP_STRUCT__entry( __field(__u64, currmid) __field(__u64, conn_id) - __field(char *, hostname) + __string(hostname, hostname) __field(int, credits) __field(int, credits_to_add) __field(int, in_flight) @@ -899,7 +904,7 @@ DECLARE_EVENT_CLASS(smb3_credit_class, TP_fast_assign( __entry->currmid = currmid; __entry->conn_id = conn_id; - __entry->hostname = hostname; + __assign_str(hostname, hostname); __entry->credits = credits; __entry->credits_to_add = credits_to_add; __entry->in_flight = in_flight; @@ -907,7 +912,7 @@ DECLARE_EVENT_CLASS(smb3_credit_class, TP_printk("conn_id=0x%llx server=%s current_mid=%llu " "credits=%d credit_change=%d in_flight=%d", __entry->conn_id, - __entry->hostname, + __get_str(hostname), __entry->currmid, __entry->credits, __entry->credits_to_add, |