FM / xvda1

/proc/fs/ext4/xvda1

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/xvda1/es_shrinker_info (0B)

stats: 126555 objects 126554 reclaimable objects 30980177/180009 cache hits/misses 81099 inodes on list average: 0 us scan time 0 shrunk objects maximum: 1062825 inode (463 objects, 463 reclaimable) 0 us max scan time