diff options
Diffstat (limited to '')
| -rw-r--r-- | net/tipc/log.c (renamed from net/tipc/dbg.c) | 111 |
1 files changed, 15 insertions, 96 deletions
diff --git a/net/tipc/dbg.c b/net/tipc/log.c index 46f51d208e5e..952c39f643e6 100644 --- a/net/tipc/dbg.c +++ b/net/tipc/log.c @@ -1,5 +1,5 @@ /* - * net/tipc/dbg.c: TIPC print buffer routines for debugging + * net/tipc/log.c: TIPC print buffer routines for debugging * * Copyright (c) 1996-2006, Ericsson AB * Copyright (c) 2005-2007, Wind River Systems @@ -36,7 +36,7 @@ #include "core.h" #include "config.h" -#include "dbg.h" +#include "log.h" /* * TIPC pre-defines the following print buffers: @@ -52,7 +52,7 @@ static struct print_buf null_buf = { NULL, 0, NULL, 0 }; struct print_buf *const TIPC_NULL = &null_buf; static struct print_buf cons_buf = { NULL, 0, NULL, 1 }; -static struct print_buf *const TIPC_CONS = &cons_buf; +struct print_buf *const TIPC_CONS = &cons_buf; static struct print_buf log_buf = { NULL, 0, NULL, 1 }; struct print_buf *const TIPC_LOG = &log_buf; @@ -64,9 +64,9 @@ struct print_buf *const TIPC_LOG = &log_buf; * 'print_string' when writing to a print buffer. This also protects against * concurrent writes to the print buffer being written to. * - * 2) tipc_dump() and tipc_log_XXX() leverage the aforementioned - * use of 'print_lock' to protect against all types of concurrent operations - * on their associated print buffer (not just write operations). + * 2) tipc_log_XXX() leverages the aforementioned use of 'print_lock' to + * protect against all types of concurrent operations on their associated + * print buffer (not just write operations). * * Note: All routines of the form tipc_printbuf_XXX() are lock-free, and rely * on the caller to prevent simultaneous use of the print buffer(s) being @@ -76,18 +76,16 @@ struct print_buf *const TIPC_LOG = &log_buf; static char print_string[TIPC_PB_MAX_STR]; static DEFINE_SPINLOCK(print_lock); -static void tipc_printbuf_reset(struct print_buf *pb); -static int tipc_printbuf_empty(struct print_buf *pb); static void tipc_printbuf_move(struct print_buf *pb_to, struct print_buf *pb_from); -#define FORMAT(PTR,LEN,FMT) \ +#define FORMAT(PTR, LEN, FMT) \ {\ - va_list args;\ - va_start(args, FMT);\ - LEN = vsprintf(PTR, FMT, args);\ - va_end(args);\ - *(PTR + LEN) = '\0';\ + va_list args;\ + va_start(args, FMT);\ + LEN = vsprintf(PTR, FMT, args);\ + va_end(args);\ + *(PTR + LEN) = '\0';\ } /** @@ -268,81 +266,6 @@ void tipc_printf(struct print_buf *pb, const char *fmt, ...) spin_unlock_bh(&print_lock); } -#ifdef CONFIG_TIPC_DEBUG - -/** - * print_to_console - write string of bytes to console in multiple chunks - */ - -static void print_to_console(char *crs, int len) -{ - int rest = len; - - while (rest > 0) { - int sz = rest < TIPC_PB_MAX_STR ? rest : TIPC_PB_MAX_STR; - char c = crs[sz]; - - crs[sz] = 0; - printk((const char *)crs); - crs[sz] = c; - rest -= sz; - crs += sz; - } -} - -/** - * printbuf_dump - write print buffer contents to console - */ - -static void printbuf_dump(struct print_buf *pb) -{ - int len; - - if (!pb->buf) { - printk("*** PRINT BUFFER NOT ALLOCATED ***"); - return; - } - - /* Dump print buffer from char after cursor to end (if used) */ - - len = pb->buf + pb->size - pb->crs - 2; - if ((pb->buf[pb->size - 1] == 0) && (len > 0)) - print_to_console(pb->crs + 1, len); - - /* Dump print buffer from start to cursor (always) */ - - len = pb->crs - pb->buf; - print_to_console(pb->buf, len); -} - -/** - * tipc_dump_dbg - dump (non-console) print buffer to console - * @pb: pointer to print buffer - */ - -void tipc_dump_dbg(struct print_buf *pb, const char *fmt, ...) -{ - int len; - - if (pb == TIPC_CONS) - return; - - spin_lock_bh(&print_lock); - - FORMAT(print_string, len, fmt); - printk(print_string); - - printk("\n---- Start of %s log dump ----\n\n", - (pb == TIPC_LOG) ? "global" : "local"); - printbuf_dump(pb); - tipc_printbuf_reset(pb); - printk("\n---- End of dump ----\n"); - - spin_unlock_bh(&print_lock); -} - -#endif - /** * tipc_log_resize - change the size of the TIPC log buffer * @log_size: print buffer size to use @@ -353,10 +276,8 @@ int tipc_log_resize(int log_size) int res = 0; spin_lock_bh(&print_lock); - if (TIPC_LOG->buf) { - kfree(TIPC_LOG->buf); - TIPC_LOG->buf = NULL; - } + kfree(TIPC_LOG->buf); + TIPC_LOG->buf = NULL; if (log_size) { if (log_size < TIPC_PB_MIN_SIZE) log_size = TIPC_PB_MIN_SIZE; @@ -407,8 +328,7 @@ struct sk_buff *tipc_log_dump(void) } else if (tipc_printbuf_empty(TIPC_LOG)) { spin_unlock_bh(&print_lock); reply = tipc_cfg_reply_ultra_string("log is empty\n"); - } - else { + } else { struct tlv_desc *rep_tlv; struct print_buf pb; int str_len; @@ -429,4 +349,3 @@ struct sk_buff *tipc_log_dump(void) } return reply; } - |