repair/init.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #include "libxfs.h"
   8 #include "globals.h"
   9 #include "agheader.h"
  10 #include "protos.h"
  11 #include "err_protos.h"
  12 #include "pthread.h"
  13 #include "avl.h"
  14 #include "bmap.h"
  15 #include "incore.h"
  16 #include "prefetch.h"
  17 #include <sys/resource.h>
  18
  19 static void
  20 ts_create(void)
  21 {
  22         pthread_key_create(&dblkmap_key, NULL);
  23         pthread_key_create(&ablkmap_key, NULL);
  24 }
  25
  26 static void
  27 increase_rlimit(void)
  28 {
  29         struct rlimit rl;
  30
  31         /* Increase limits */
  32         if (getrlimit(RLIMIT_FSIZE, &rl) == -1) {
  33                 perror("getrlimit");
  34                 fprintf(stderr, _("getrlimit(RLIMIT_FSIZE) failed!\n"));
  35                 exit(1);
  36         }
  37         if (rl.rlim_cur != RLIM_INFINITY) {
  38                 rl.rlim_max = rl.rlim_cur = RLIM_INFINITY;
  39                 if (setrlimit(RLIMIT_FSIZE, &rl) == -1) {
  40                         perror("setrlimit");
  41                         fprintf(stderr,
  42                                 _("setrlimit failed - current: %lld, max: %lld\n"),
  43                                 (unsigned long long)rl.rlim_cur,
  44                                 (unsigned long long)rl.rlim_max);
  45                         exit(1);
  46                 }
  47         }
  48 }
  49
  50 void
  51 xfs_init(libxfs_init_t *args)
  52 {
  53         memset(args, 0, sizeof(libxfs_init_t));
  54
  55         if (isa_file)  {
  56                 args->disfile = 1;
  57                 args->dname = fs_name;
  58                 args->volname = NULL;
  59         } else  {
  60                 args->disfile = 0;
  61                 args->volname = fs_name;
  62                 args->dname = NULL;
  63         }
  64
  65         if (log_spec)  {        /* External log specified */
  66                 args->logname = log_name;
  67                 args->lisfile = (isa_file?1:0);
  68                 /* XXX assume data file also means log file */
  69                 /* REVISIT: Need to do fs sanity / log validity checking */
  70         }
  71
  72         if (rt_spec)  { /* RT device specified */
  73                 args->rtname = rt_name;
  74                 args->risfile = (isa_file?1:0);
  75                 /* XXX assume data file also means rt file */
  76         }
  77
  78         args->usebuflock = do_prefetch;
  79         args->setblksize = 0;
  80         args->isdirect = LIBXFS_DIRECT;
  81         if (no_modify)
  82                 args->isreadonly = (LIBXFS_ISREADONLY | LIBXFS_ISINACTIVE);
  83         else if (dangerously)
  84                 args->isreadonly = (LIBXFS_ISINACTIVE | LIBXFS_DANGEROUSLY);
  85         else
  86                 args->isreadonly = LIBXFS_EXCLUSIVELY;
  87
  88         if (!libxfs_init(args)) {
  89                 /* would -d be an option? */
  90                 if (!no_modify && !dangerously) {
  91                         args->isreadonly = (LIBXFS_ISINACTIVE |
  92                                             LIBXFS_DANGEROUSLY);
  93                         if (libxfs_init(args))
  94                                 fprintf(stderr,
  95 _("Unmount or use the dangerous (-d) option to repair a read-only mounted filesystem\n"));
  96                 }
  97                 do_error(_("couldn't initialize XFS library\n"));
  98         }
  99
 100         ts_create();
 101         increase_rlimit();
 102         pftrace_init();
 103 }