On Wed, Oct 09, 2019 at 12:03:53AM -0700, Christoph Hellwig wrote: > On Mon, Oct 07, 2019 at 06:03:29PM -0700, Darrick J. Wong wrote: > > To fix this, we need to force the filesystem to allocate all blocks > > before freeing any blocks. Split the creation of swiss-cheese files > > into two parts: (a) writing data to the file to force allocation, and > > (b) punching the holes to fragment free space. It's a little hokey for > > helpers to be modifying variables in the caller's scope, but there's not > > really a better way to do that in bash. > > Why can't we just split the operations into creating a large contigous > file and then fragment them? > > > create_large_file foo > create_large_file bar > create_large_file baz > > fragment_large_file foo > fragment_large_file bar > fragment_large_file baz Yeah, that would also work, and without the clumsy side effects. I'll do that instead. --D
