This patch adds an option to du to have it print the number of inodes in use
by a tree.

--- coreutils-5.2.1.orig/src/du.c	2005-02-20 23:49:43.768236000 +0100
+++ coreutils-5.2.1/src/du.c	2005-02-21 01:16:52.831298552 +0100
@@ -121,6 +121,10 @@ static struct exclude *exclude;
 /* Grand total size of all args, in bytes. */
 static uintmax_t tot_size = 0;
 
+/* Print the amount of inodes used. */
+static int print_inodes = 0;
+static unsigned int inodes = 0;
+
 /* Nonzero indicates that du should exit with EXIT_FAILURE upon completion.  */
 int G_fail;
 
@@ -165,6 +169,7 @@ static struct option const long_options[
   {"separate-dirs", no_argument, NULL, 'S'},
   {"summarize", no_argument, NULL, 's'},
   {"total", no_argument, NULL, 'c'},
+  {"inodes", no_argument, NULL, 'i'},
 #ifdef HAVE_LIBVSERVER
   {"xid", required_argument, NULL, 'C'},
 #endif
@@ -407,6 +412,7 @@ process_file (FTS *fts, FTSENT *ent)
       size = (apparent_size
 	      ? sb->st_size
 	      : ST_NBLOCKS (*sb) * ST_NBLOCKSIZE);
+      inodes++;
     }
 
   if (first_call)
@@ -549,6 +555,9 @@ du_files (char **files, int bit_flags)
   if (print_totals)
     print_size (tot_size, _("total"));
 
+  if (print_inodes)
+    printf("%-7d %s\n", inodes, _("inodes"));
+
   return fail;
 }
 
@@ -584,7 +593,7 @@ main (int argc, char **argv)
 				     &output_block_size);
 
   fail = 0;
-  while ((c = getopt_long (argc, argv, DEBUG_OPT "0abchHklmsxB:DLPSX:",
+  while ((c = getopt_long (argc, argv, DEBUG_OPT "0abchHklmsxB:DLPSX:i",
 			   long_options, NULL)) != -1)
     {
       long int tmp_long;
@@ -705,6 +714,10 @@ main (int argc, char **argv)
 	  add_exclude (exclude, optarg, EXCLUDE_WILDCARDS);
 	  break;
 
+	case 'i':
+	  print_inodes = 1;
+	  break;
+
 #ifdef HAVE_LIBVSERVER
 	case 'C':
 	  {