> > When a btrfs disk is created by mixed data & metadata option, it will have no > > pure data or pure metadata space info. > > > > In btrfs's for-linus branch, commit 78b1ea13838039cd88afdd62519b40b344d6c920 > > (Btrfs: fix OOPS of empty filesystem after balance) initializes space infos at > > the very beginning. The problem is this initialization does not take the mixed > > case into account, which will cause btrfs will easily get into ENOSPC in mixed > > case. > > > > Signed-off-by: Liu Bo <liubo2009@xxxxxxxxxxxxxx> > > --- > > Tried to apply this patch on top of 2.6.39-rc2 and booted on the same partition. > It has 3.2 GBs free. With patch it started to report -ENOSPC right out. > Attempt to delete some files caused OOps: Sorry, I was too fast. The same OOps is reproducible on vanilla 2.6.39-rc2. Will retest on 2.6.39-rc1. -- Sergei
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