AlignedBlock - pass through to directio implementation.

DisableDirectIO - disables directio mode.

FadviseDontNeed invalidates page-cache.

Fdatasync - fdatasync() is similar to fsync(), but does not flush modified metadata unless that metadata is needed in order to allow a subsequent data retrieval to be correctly handled.

GetDriveStats returns IO stats of the drive by its major:minor.

GetInfo returns total and free bytes available in a directory, e.g.

IsRootDisk returns if diskPath belongs to root-disk, i.e the disk mounted at "/".

OpenFileDirectIO - bypass kernel cache.

SameDisk reports whether di1 and di2 describe the same disk.

ODirectPlatform indicates if the platform supports O_DIRECT.

Info stat fs struct is container which holds following values Total - total size of the volume / disk Free - free size of the volume / disk Files - total inodes available Ffree - free inodes available FSType - file system type Major - major dev id Minor - minor dev id Devname - device name.

IOStats contains stats of a single drive.