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Diffstat (limited to 'fs/f2fs/shrinker.c')
-rw-r--r--fs/f2fs/shrinker.c14
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);