FM / loop0

/proc/fs/ext4/loop0

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/loop0/es_shrinker_info (0B)

stats: 46 objects 46 reclaimable objects 237138/1470222 cache hits/misses 34 inodes on list average: 8 us scan time 13 shrunk objects maximum: 8 inode (11 objects, 11 reclaimable) 11 us max scan time