clorisu@clorisu ~ $ sudo !!
sudo fsck -p /dev/sdb1
[sudo] password for clorisu:
fsck from util-linux 2.20.1
dosfsck 3.0.16, 01 Mar 2013, FAT32, LFN
0x41: Dirty bit is set. Fs was not properly unmounted and some data may be corrupt.
 Automaticaly removing dirty bit.
/.Trash-1000/files/.fr-uwidj4/ziAUaSXd
  File size is 2562392064 bytes, cluster chain length is > 2562392064 bytes.
  Truncating file to 2562392064 bytes.
Reclaimed 20744 unused clusters (169934848 bytes) in 65 chains.
Free cluster summary wrong (796677 vs. really 796679)
  Auto-correcting.
Performing changes.
/dev/sdb1: 2252 files, 1134105/1930784 clusters