lustre/tests/create_foreign_dir.c

   1 #include <stdlib.h>
   2 #include <unistd.h>
   3 #include <limits.h>
   4 #include <stdio.h>
   5 #include <errno.h>
   6 #include <libgen.h>
   7 #include <sys/ioctl.h>
   8 #include <sys/xattr.h>
   9 #include <sys/file.h>
  10
  11 #include <lustre/lustreapi.h>
  12
  13 int main(int argc, char **argv)
  14 {
  15         char *dir = "foreign_dir", *end;
  16         char *xval = "UUID@UUID";
  17         mode_t mode = 0700;
  18         __u32 type = LU_FOREIGN_TYPE_SYMLINK, flags = 0xda05;
  19         int c, rc;
  20
  21         while ((c = getopt(argc, argv, "hd:f:m:t:x:")) != -1) {
  22                 switch (c) {
  23                 case 'd':
  24                         dir = optarg;
  25                         break;
  26                 case 'x':
  27                         xval = optarg;
  28                         break;
  29                 case 'm':
  30                         mode = strtoul(optarg, &end, 8);
  31                         if (*end != '\0') {
  32                                 fprintf(stderr,
  33                                         "%s: invalid mode '%s'\n", argv[0],
  34                                         optarg);
  35                                 exit(1);
  36                         }
  37                         break;
  38                 case 'f':
  39                         errno = 0;
  40                         flags = strtoul(optarg, &end, 0);
  41                         if (errno != 0 || *end != '\0' ||
  42                             flags >= UINT32_MAX) {
  43                                 fprintf(stderr,
  44                                         "%s: invalid flags '%s'\n", argv[0],
  45                                         optarg);
  46                                 exit(1);
  47                         }
  48                         break;
  49                 case 't':
  50                         type = strtoul(optarg, &end, 0);
  51                         if (*end != '\0') {
  52                                 fprintf(stderr,
  53                                         "%s: invalid type '%s'\n", argv[0],
  54                                         optarg);
  55                                 exit(1);
  56                         }
  57                         break;
  58                 case 'h':
  59                 default:
  60                         fprintf(stderr,
  61                                 "Usage: %s [-d <dirname>] [-m <octalmode>] [-x <LOV EA content>] [-t <type>] [-f <hexflags>]\n",
  62                                 argv[0]);
  63                         exit(0);
  64                         break;
  65                 }
  66         }
  67
  68         rc = llapi_dir_create_foreign(dir, mode, type, flags, xval);
  69         if (rc < 0)
  70                 fprintf(stderr, "llapi_dir_create_foreign() error : %d\n", rc);
  71
  72         return rc;
  73 }