lib/libzdb/libzdb.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <stdlib.h>
   4 #include <ctype.h>
   5 #include <getopt.h>
   6 #include <openssl/evp.h>
   7 #include <sys/zfs_context.h>
   8 #include <sys/spa.h>
   9 #include <sys/spa_impl.h>
  10 #include <sys/dmu.h>
  11 #include <sys/zap.h>
  12 #include <sys/fs/zfs.h>
  13 #include <sys/zfs_znode.h>
  14 #include <sys/zfs_sa.h>
  15 #include <sys/sa.h>
  16 #include <sys/sa_impl.h>
  17 #include <sys/vdev.h>
  18 #include <sys/vdev_impl.h>
  19 #include <sys/metaslab_impl.h>
  20 #include <sys/dmu_objset.h>
  21 #include <sys/dsl_dir.h>
  22 #include <sys/dsl_dataset.h>
  23 #include <sys/dsl_pool.h>
  24 #include <sys/dsl_bookmark.h>
  25 #include <sys/dbuf.h>
  26 #include <sys/zil.h>
  27 #include <sys/zil_impl.h>
  28 #include <sys/stat.h>
  29 #include <sys/resource.h>
  30 #include <sys/dmu_send.h>
  31 #include <sys/dmu_traverse.h>
  32 #include <sys/zio_checksum.h>
  33 #include <sys/zio_compress.h>
  34 #include <sys/zfs_fuid.h>
  35 #include <sys/arc.h>
  36 #include <sys/arc_impl.h>
  37 #include <sys/ddt.h>
  38 #include <sys/zfeature.h>
  39 #include <sys/abd.h>
  40 #include <sys/blkptr.h>
  41 #include <sys/dsl_crypt.h>
  42 #include <sys/dsl_scan.h>
  43 #include <sys/btree.h>
  44 #include <sys/brt.h>
  45 #include <sys/brt_impl.h>
  46 #include <zfs_comutil.h>
  47 #include <sys/zstd/zstd.h>
  48
  49 #include <libnvpair.h>
  50 #include <libzutil.h>
  51
  52 #include <libzdb.h>
  53
  54 const char *
  55 zdb_ot_name(dmu_object_type_t type)
  56 {
  57         if (type < DMU_OT_NUMTYPES)
  58                 return (dmu_ot[type].ot_name);
  59         else if ((type & DMU_OT_NEWTYPE) &&
  60             ((type & DMU_OT_BYTESWAP_MASK) < DMU_BSWAP_NUMFUNCS))
  61                 return (dmu_ot_byteswap[type & DMU_OT_BYTESWAP_MASK].ob_name);
  62         else
  63                 return ("UNKNOWN");
  64 }
  65
  66 int
  67 livelist_compare(const void *larg, const void *rarg)
  68 {
  69         const blkptr_t *l = larg;
  70         const blkptr_t *r = rarg;
  71
  72         /* Sort them according to dva[0] */
  73         uint64_t l_dva0_vdev, r_dva0_vdev;
  74         l_dva0_vdev = DVA_GET_VDEV(&l->blk_dva[0]);
  75         r_dva0_vdev = DVA_GET_VDEV(&r->blk_dva[0]);
  76         if (l_dva0_vdev < r_dva0_vdev)
  77                 return (-1);
  78         else if (l_dva0_vdev > r_dva0_vdev)
  79                 return (+1);
  80
  81         /* if vdevs are equal, sort by offsets. */
  82         uint64_t l_dva0_offset;
  83         uint64_t r_dva0_offset;
  84         l_dva0_offset = DVA_GET_OFFSET(&l->blk_dva[0]);
  85         r_dva0_offset = DVA_GET_OFFSET(&r->blk_dva[0]);
  86         if (l_dva0_offset < r_dva0_offset) {
  87                 return (-1);
  88         } else if (l_dva0_offset > r_dva0_offset) {
  89                 return (+1);
  90         }
  91
  92         /*
  93          * Since we're storing blkptrs without cancelling FREE/ALLOC pairs,
  94          * it's possible the offsets are equal. In that case, sort by txg
  95          */
  96         if (l->blk_birth < r->blk_birth) {
  97                 return (-1);
  98         } else if (l->blk_birth > r->blk_birth) {
  99                 return (+1);
 100         }
 101         return (0);
 102 }