XFS_SPACEMAN(8) (NAME) xfs_spaceman - XFS (SYNOPSIS) xfs_spaceman [ -c cmd ] file xfs_spaceman -V (DESCRIPTION) xfs_spaceman trim/discard XFS . (OPTIONS) -c cmd xfs_spaceman () . -c . . (COMMANDS) freesp [ -dgrs ] [-a agno]... [ -b | -e bsize | -h bsize | -m factor ] freesp . : -a agno (allocation group). . -b . -e -h -m . -d . -g AG. -e bsize . -b -h -m . -h bsize . . . -b -e -m . -m factor . -b -e -h . -r (realtime device) . -s . info (geometry) . XFS . xfs_info(8) . health [ -a agno] [ -c ] [ -f ] [ -i inum ] [ -n ] [ -q ] [ -r rgno ] [ paths ] . -a agno (AG) . -c . -a AG . -f . -i inum . -n . . -q . -r (realtime group) . paths . help [ command ] . prealloc [ -u id ] [ -g id ] [ -p id ] [ -m minlen ] [ -s ] (speculative preallocation). -u -g -p . : -u uid . -g -p . -g gid . -u -p . -p pid . -u -g . -m minlen . . -s . print . quit xfs_spaceman. trim ( -a agno | -f | offset length ) [ -m minlen ] . : ( -a -f offset/length .) -a agno (Trim) . -f offset/length . -f . -a offset/length . offset length offset length . . -a -f . -m minlen . . xfsprogs XFS_SPACEMAN(8)