On Mon, May 7, 2018 at 10:52 PM, Theodore Y. Ts'o <tytso@xxxxxxx> wrote: > On Mon, May 07, 2018 at 10:18:10PM +0800, Liu Bo wrote: >> These two fixes are to address the reservation leak problem we've >> found when using bigalloc with delalloc. >> >> A specific fstests case is available at >> https://patchwork.kernel.org/patch/10384221/ >> >> Liu Bo (2): >> Ext4: bigalloc: fix overreservation on quota accounting >> Ext4: bigalloc: do not reserve space for delalloc extents if there is >> an available cluster > > Hi Liu, > > Eric has been working in this area as well, and has been working on a > series of patches. (This had been discussed on the weekly ext4 > teleconference calls; if this is something you would be interested in > joining, please contact me via e-mail privately.) > > My understanding is that his patch series is a bit more complex, since > he was working on a number of cleanups at the same time. Eric, could > you send out your patch series, even if they aren't fully polished, so > we can see how much overlap there is between your work and Liu Bo's? > Can we first review and queue these two fixes to address the bug? As you can see from the test case I sent, it's so easy to hit the bug and it'd kept bothering everyone who is using bigalloc even in the simplest way. thanks, liubo
