Lines Matching defs:sbi
19 static unsigned long __count_nat_entries(struct f2fs_sb_info *sbi)
21 return NM_I(sbi)->nat_cnt[RECLAIMABLE_NAT];
24 static unsigned long __count_free_nids(struct f2fs_sb_info *sbi)
26 long count = NM_I(sbi)->nid_cnt[FREE_NID] - MAX_FREE_NIDS;
31 static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi)
33 return atomic_read(&sbi->total_zombie_tree) +
34 atomic_read(&sbi->total_ext_node);
40 struct f2fs_sb_info *sbi;
47 sbi = list_entry(p, struct f2fs_sb_info, s_list);
50 if (!mutex_trylock(&sbi->umount_mutex)) {
57 count += __count_extent_cache(sbi);
60 count += __count_nat_entries(sbi);
63 count += __count_free_nids(sbi);
67 mutex_unlock(&sbi->umount_mutex);
77 struct f2fs_sb_info *sbi;
88 sbi = list_entry(p, struct f2fs_sb_info, s_list);
90 if (sbi->shrinker_run_no == run_no)
94 if (!mutex_trylock(&sbi->umount_mutex)) {
100 sbi->shrinker_run_no = run_no;
103 freed += f2fs_shrink_extent_tree(sbi, nr >> 1);
107 freed += f2fs_try_to_free_nats(sbi, nr - freed);
111 freed += f2fs_try_to_free_nids(sbi, nr - freed);
115 list_move_tail(&sbi->s_list, &f2fs_list);
116 mutex_unlock(&sbi->umount_mutex);
124 void f2fs_join_shrinker(struct f2fs_sb_info *sbi)
127 list_add_tail(&sbi->s_list, &f2fs_list);
131 void f2fs_leave_shrinker(struct f2fs_sb_info *sbi)
133 f2fs_shrink_extent_tree(sbi, __count_extent_cache(sbi));
136 list_del_init(&sbi->s_list);