Commits


venti/mirrorarenas: shorter output, aligned i/o


venti: avoid race in mirrorarenas (Michael Kaminsky)


venti: add -s flag to disable redundant SHA1 in mirrorarenas


fix arenas if possible


add flushpart; avoid O_DIRECT on linux


fix various nits; clean up output


more fixes


sync with mit plan 9 version


assorted changes from Plan 9