b=19720

[fs/lustre-release.git] / lnet / utils / debug.c

diff --git a/lnet/utils/debug.c b/lnet/utils/debug.c
index 3ce3013..8a28b4f 100644 (file)
--- a/lnet/utils/debug.c
+++ b/lnet/utils/debug.c
@@ -363,15 +363,22 @@ static void print_rec(struct dbg_line ***linevp, int used, int fdout)
                 struct dbg_line *line = linev[i];
                 struct ptldebug_header *hdr = line->hdr;
                 char out[4097];
+                char *buf = out;
                 int bytes;
+                ssize_t bytes_written;
 
                 bytes = sprintf(out, "%08x:%08x:%u:%u.%06llu:%u:%u:%u:(%s:%u:%s()) %s",
                                 hdr->ph_subsys, hdr->ph_mask, hdr->ph_cpu_id,
                                 hdr->ph_sec, (unsigned long long)hdr->ph_usec,
                                 hdr->ph_stack, hdr->ph_pid, hdr->ph_extern_pid,
                                 line->file, hdr->ph_line_num, line->fn, line->text);
-
-                write(fdout, out, bytes);
+                while (bytes > 0) {
+                        bytes_written = write(fdout, buf, bytes);
+                        if (bytes_written <= 0)
+                                break;
+                        bytes -= bytes_written;
+                        buf += bytes_written;
+                }
                 free(line->hdr);
                 free(line);
         }
@@ -627,7 +634,8 @@ int jt_dbg_debug_kernel(int argc, char **argv)
                 return 1;
         }
         if (argc > 1) {
-                fdout = open(argv[1], O_WRONLY|O_CREAT|O_TRUNC);
+                fdout = open(argv[1], O_WRONLY | O_CREAT | O_TRUNC,
+                             S_IRUSR | S_IWUSR);
                 if (fdout < 0) {
                         fprintf(stderr, "fopen(%s) failed: %s\n", argv[1],
                                 strerror(errno));