On Fri, Nov 24, 2023 at 09:50:23PM -0800, Christoph Hellwig wrote: > On Fri, Nov 24, 2023 at 03:49:15PM -0800, Darrick J. Wong wrote: > > From: Darrick J. Wong <djwong@xxxxxxxxxx> > > > > Add some debug knobs so that we can control the leaf and node block > > slack when rebuilding btrees. > > Maybe expand a bit on what these "debug knows" are useful for and how > they work? They're not generally useful for users, obviously. For developers, it might be useful to construct btrees of various heights by crafting a filesystem with a certain number of records and then using repair+knobs to rebuild the index with a certain shape. Practically speaking, you'd only ever do that for extreme stress testing. --D