diff options
Diffstat (limited to 'fs/f2fs/shrinker.c')
| -rw-r--r-- | fs/f2fs/shrinker.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c index 9aa4235cd304..da0d8e0b55a5 100644 --- a/fs/f2fs/shrinker.c +++ b/fs/f2fs/shrinker.c @@ -23,6 +23,13 @@ static unsigned long __count_nat_entries(struct f2fs_sb_info *sbi) return NM_I(sbi)->nat_cnt - NM_I(sbi)->dirty_nat_cnt; } +static unsigned long __count_free_nids(struct f2fs_sb_info *sbi) +{ + if (NM_I(sbi)->fcnt > NAT_ENTRY_PER_BLOCK) + return NM_I(sbi)->fcnt - NAT_ENTRY_PER_BLOCK; + return 0; +} + static unsigned long __count_extent_cache(struct f2fs_sb_info *sbi) { return sbi->total_ext_tree + atomic_read(&sbi->total_ext_node); @@ -53,6 +60,9 @@ unsigned long f2fs_shrink_count(struct shrinker *shrink, /* shrink clean nat cache entries */ count += __count_nat_entries(sbi); + /* count free nids cache entries */ + count += __count_free_nids(sbi); + spin_lock(&f2fs_list_lock); p = p->next; mutex_unlock(&sbi->umount_mutex); @@ -97,6 +107,10 @@ unsigned long f2fs_shrink_scan(struct shrinker *shrink, if (freed < nr) freed += try_to_free_nats(sbi, nr - freed); + /* shrink free nids cache entries */ + if (freed < nr) + freed += try_to_free_nids(sbi, nr - freed); + spin_lock(&f2fs_list_lock); p = p->next; list_move_tail(&sbi->s_list, &f2fs_list); |