====== Proc - File System directory ======

===== Ext4 file system parameters =====

Information about mounted ext4 file systems can be found in **/proc/fs/ext4**.  Each mounted filesystem will have a directory in /proc/fs/ext4 based on its device name (i.e., /proc/fs/ext4/hdc or /proc/fs/ext4/dm-0).  The files in each per-device directory are shown here:


==== Files in /proc/fs/ext4/<devname> ====

^File^Content^
|mb_groups|Details of multiblock allocator buddy cache of free blocks.|