FM / vda1

/proc/fs/ext4/vda1

Name	Mode	Actions
es_shrinker_info	0444	edit dl rm
fc_info	0444	edit dl rm
mb_groups	0444	edit dl rm
mb_stats	0444	edit dl rm
mb_structs_summary	0444	edit dl rm
options	0444	edit dl rm

Edit: /proc/fs/ext4/vda1/es_shrinker_info (0B)

stats: 4993 objects 4991 reclaimable objects 742135685/94819370 cache hits/misses 3158 inodes on list average: 49 us scan time 75 shrunk objects maximum: 774411 inode (630 objects, 630 reclaimable) 8396 us max scan time