On Thu, Nov 08, 2018 at 10:44:31AM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > > In e2freefrag live scan mode, we take the free block count from the > ondisk superblock. This leads to screwy histogram percentages: > > Extent Size Range : Free extents Free Blocks Percent > 4M... 8M- : 5 8234 1.05% > 64M... 128M- : 2 52279 6.64% > 512M... 1024M- : 1 202752 25.74% > > ...because there could be superblock updates in the journal that haven't > yet been checkpointed. The online scan is perfectly capable of tallying > the free blocks on its own, so teach it do that and make a more accurate > report. > > Reported-by: Elana Hashman <Elana.Hashman@xxxxxxxxxxxx> > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Thanks, applied. - Ted
