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    Searched defs:benefit (Results 1 - 2 of 2) sorted by relevancy

  /src/sys/ufs/lfs/
lfs_kclean.c 745 long benefit, cost; local
747 benefit = (int64_t)lfs_sb_getssize(fs) - sup->su_nbytes -
750 benefit -= LFS_SBPAD;
752 benefit -= (lfs_sb_getbsize(fs) / 2);
753 if (benefit <= 0) {
758 return (256 * benefit * age) / cost;
908 * What is an appropriate threshold for the cost-benefit
  /src/libexec/lfs_cleanerd/
lfs_cleanerd.c 746 int64_t age, benefit, cost; local
769 /* No benefit */
784 * The non-degenerate case. Use Rosenblum's cost-benefit algorithm.
785 * Calculate the benefit from cleaning this segment (one segment,
791 benefit = (int64_t)lfs_sb_getssize(fs) - t->nbytes -
794 benefit -= (lfs_sb_getbsize(fs) / 2);
795 if (benefit <= 0) {
801 t->priority = (256 * benefit * age) / cost;
850 * Comparator for sort_segments: cost-benefit equation.
1110 /* Compute cost-benefit coefficient *
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