Daniel Carosone <dan@geek.com.au> writes:

> enami tsugutomo writes:
> 
>  > I guess you have 2Gb of delayed de-allocation of file system blocks
>  > and failed to write new files (i.e., failed to allocate new file
>  > system blocks), not losing data once written.
> 
> If I had 2Gb of buffercache to hold all that supposedly unwritten
> data, I'd be a happy lad.

Note the words `delayed de-allocation'.  When you `rm' a huge a file,
a whole pile of bitmap updates to free the blocks are deferred until
after the inode block is updated...