> I understand that calling __xfs_ag_resv_init on an AG with a maximally > sized data structure can result in @hidden_space being zero here, but > why does that matter enough to change the code? Are you experiencing > problems when this happens? Unnecessary slowdowns at mount time? > Something else? > > This is v3 of a patch and I still can't tell why I should care ...? After applying this patch, we can avoid to call xfs_mod_fdblocks when delta equals 0. So we can reduce unnecessary operations here.
