lunaix-os/kernel/mm/cake_export.c

   1 #include <lunaix/fs/twifs.h>
   2 #include <lunaix/mm/cake.h>
   3
   4 extern struct llist_header piles;
   5
   6 static int
   7 __twimap_gonext_pinkiepie(struct twimap* map)
   8 {
   9     struct cake_pile* pile = twimap_index(map, struct cake_pile*);
  10     if (pile->piles.next == &piles) {
  11         return 0;
  12     }
  13     map->index = list_entry(pile->piles.next, struct cake_pile, piles);
  14     return 1;
  15 }
  16
  17 static void
  18 __twimap_reset_pinkiepie(struct twimap* map)
  19 {
  20     map->index = container_of(&piles, struct cake_pile, piles);
  21     twimap_printf(map, "name cakes pages size slices actives\n");
  22 }
  23
  24 static void
  25 __twimap_read_pinkiepie(struct twimap* map)
  26 {
  27     struct cake_pile* pos = twimap_index(map, struct cake_pile*);
  28     twimap_printf(map,
  29                   "%s %d %d %d %d %d\n",
  30                   pos->pile_name,
  31                   pos->cakes_count,
  32                   pos->pg_per_cake,
  33                   pos->piece_size,
  34                   pos->pieces_per_cake,
  35                   pos->alloced_pieces);
  36 }
  37
  38 static void
  39 __twimap_read_piece_size(struct twimap* map)
  40 {
  41     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  42     twimap_printf(map, "%u", pile->piece_size);
  43 }
  44
  45 static void
  46 __twimap_read_cake_count(struct twimap* map)
  47 {
  48     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  49     twimap_printf(map, "%u", pile->cakes_count);
  50 }
  51
  52 static void
  53 __twimap_read_grabbed(struct twimap* map)
  54 {
  55     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  56     twimap_printf(map, "%u", pile->alloced_pieces);
  57 }
  58
  59 static void
  60 __twimap_read_pieces_per_cake(struct twimap* map)
  61 {
  62     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  63     twimap_printf(map, "%u", pile->pieces_per_cake);
  64 }
  65
  66 static void
  67 __twimap_read_page_per_cake(struct twimap* map)
  68 {
  69     struct cake_pile* pile = twimap_data(map, struct cake_pile*);
  70     twimap_printf(map, "%u", pile->pg_per_cake);
  71 }
  72
  73 void
  74 cake_export_pile(struct twifs_node* root, struct cake_pile* pile)
  75 {
  76     struct twifs_node* pile_rt;
  77
  78     pile_rt = twifs_dir_node(root, pile->pile_name);
  79
  80     twimap_export_value(pile_rt, piece_size,        FSACL_ugR, pile);
  81     twimap_export_value(pile_rt, cake_count,        FSACL_ugR, pile);
  82     twimap_export_value(pile_rt, grabbed,           FSACL_ugR, pile);
  83     twimap_export_value(pile_rt, pieces_per_cake,   FSACL_ugR, pile);
  84     twimap_export_value(pile_rt, page_per_cake,     FSACL_ugR, pile);
  85 }
  86
  87 void
  88 cake_export()
  89 {
  90     struct cake_pile *pos, *n;
  91     struct twifs_node* cake_root;
  92
  93     cake_root = twifs_dir_node(NULL, "cake");
  94
  95     twimap_export_list(cake_root, pinkiepie, FSACL_ugR, NULL);
  96
  97     llist_for_each(pos, n, &piles, piles) {
  98         cake_export_pile(cake_root, pos);
  99     }
 100 }
 101 EXPORT_TWIFS_PLUGIN(cake_alloc, cake_export);