X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fportals%2Flibcfs%2Fdebug.c;h=8043ac47857bf752a22c594edf896c87da6ddc9b;hb=eef0dc3356976bad84f7aefb6595f10443a5980d;hp=52e74938f4b6c9ebb08639e51a2a70529b95d795;hpb=50253ef5d916b4f17c5628b8b80d76509e64765d;p=fs%2Flustre-release.git

diff --git a/lustre/portals/libcfs/debug.c b/lustre/portals/libcfs/debug.c
index 52e7493..8043ac4 100644
--- a/lustre/portals/libcfs/debug.c
+++ b/lustre/portals/libcfs/debug.c
@@ -50,6 +50,29 @@
 
 #include <linux/kp30.h>
 #include <linux/portals_compat25.h>
+#include <linux/libcfs.h>
+
+unsigned int portal_subsystem_debug = ~0 - (S_PORTALS | S_QSWNAL | S_SOCKNAL |
+                                            S_GMNAL | S_IBNAL);
+EXPORT_SYMBOL(portal_subsystem_debug);
+
+unsigned int portal_debug = (D_WARNING | D_DLMTRACE | D_ERROR | D_EMERG | D_HA |
+                             D_RPCTRACE | D_VFSTRACE);
+EXPORT_SYMBOL(portal_debug);
+
+unsigned int portal_cerror = 1;
+EXPORT_SYMBOL(portal_cerror);
+
+unsigned int portal_printk;
+EXPORT_SYMBOL(portal_printk);
+
+unsigned int portal_stack;
+EXPORT_SYMBOL(portal_stack);
+
+#ifdef __KERNEL__
+atomic_t portal_kmemory = ATOMIC_INIT(0);
+EXPORT_SYMBOL(portal_kmemory);
+#endif
 
 #define DEBUG_OVERFLOW 1024
 static char *debug_buf = NULL;
@@ -569,7 +592,7 @@ int portals_debug_init(unsigned long bufsize)
         debug_buf = vmalloc(bufsize + DEBUG_OVERFLOW);
         if (debug_buf == NULL)
                 return -ENOMEM;
-        memset(debug_buf, 0, debug_size);
+        memset(debug_buf, 0, bufsize + DEBUG_OVERFLOW);
         debug_wrapped = 0;
 
         //printk(KERN_INFO "Portals: allocated %lu byte debug buffer at %p.\n",
@@ -633,9 +656,9 @@ int portals_debug_mark_buffer(char *text)
         if (debug_buf == NULL)
                 return -EINVAL;
 
-        CDEBUG(0, "********************************************************\n");
+        CDEBUG(D_TRACE,"***************************************************\n");
         CWARN("DEBUG MARKER: %s\n", text);
-        CDEBUG(0, "********************************************************\n");
+        CDEBUG(D_TRACE,"***************************************************\n");
 
         return 0;
 }
@@ -686,16 +709,18 @@ __s32 portals_debug_copy_to_user(char *buf, unsigned long len)
         copied = 0;
         list_for_each(pos, &my_pages) {
                 unsigned long to_copy;
-                page = list_entry(pos, struct page, list);
+                void *addr;
 
+                page = list_entry(pos, struct page, list);
                 to_copy = min(total - off, PAGE_SIZE);
                 if (to_copy == 0) {
                         off = 0;
                         to_copy = min(debug_size - off, PAGE_SIZE);
                 }
 finish_partial:
-                memcpy(kmap(page), debug_buf + off, to_copy);
-                kunmap(page);
+                addr = kmap_atomic(page, KM_USER0);
+                memcpy(addr, debug_buf + off, to_copy);
+                kunmap_atomic(addr, KM_USER0);
                 copied += to_copy;
                 if (copied >= total)
                         break;
@@ -803,8 +828,10 @@ portals_debug_msg(int subsys, int mask, char *file, const char *fn,
                               subsys, mask, smp_processor_id(),
                               tv.tv_sec, tv.tv_usec, stack, current->pid);
         max_nob -= prefix_nob;
+
         if(*(format + strlen(format) - 1) != '\n')
-                *(format + strlen(format)) = '\n';
+                printk(KERN_INFO "format at %s:%d:%s doesn't end in newline\n",
+                       file, line, fn);
 
 #if defined(__arch_um__) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20))
         msg_nob = snprintf(debug_buf + debug_off + prefix_nob, max_nob,
@@ -922,6 +949,8 @@ void portals_run_lbug_upcall(char *file, const char *fn, const int line)
 char *portals_nid2str(int nal, ptl_nid_t nid, char *str)
 {
         switch(nal){
+/* XXX this should be a nal method of some sort */
+#ifndef CRAY_PORTALS 
         case TCPNAL:
                 /* userspace NAL */
         case SOCKNAL:
@@ -934,16 +963,14 @@ char *portals_nid2str(int nal, ptl_nid_t nid, char *str)
         case SCIMACNAL:
                 sprintf(str, "%u:%u", (__u32)(nid >> 32), (__u32)nid);
                 break;
+#endif
         default:
-                return NULL;
+                snprintf(str, PTL_NALFMT_SIZE-1, "(?%llx)", (long long)nid);
         }
         return str;
 }
 
 #ifdef __KERNEL__
-#include <linux/lustre_version.h>
-#if (LUSTRE_KERNEL_VERSION >= 30)
-#warning "FIXME: remove workaround when l30 is widely used"
 char stack_backtrace[LUSTRE_TRACE_SIZE];
 spinlock_t stack_backtrace_lock = SPIN_LOCK_UNLOCKED;
 
@@ -954,7 +981,7 @@ extern int is_kernel_text_address(unsigned long addr);
 char *portals_debug_dumpstack(void)
 {
         asm("int $3");
-        return "dump stack";
+        return "dump stack\n";
 }
 
 #elif defined(__i386__)
@@ -1016,7 +1043,6 @@ char *portals_debug_dumpstack(void)
 #endif /* __arch_um__ */
 EXPORT_SYMBOL(stack_backtrace_lock);
 EXPORT_SYMBOL(portals_debug_dumpstack);
-#endif /* LUSTRE_KERNEL_VERSION < 30 */
 #endif /* __KERNEL__ */
 
 EXPORT_SYMBOL(portals_debug_dumplog);