On 2019/1/24 上午1:47, David Sterba wrote: > On Wed, Jan 23, 2019 at 03:15:11PM +0800, Qu Wenruo wrote: >> v5: >> - Use Josef's superior qgroup deadlock fix. >> No performance regression now. > > Does this pass fstests on your side? Namely if test btrfs/007 does not > crash, > https://lore.kernel.org/linux-btrfs/20190123135120.GT2900@xxxxxxxxxxxxx/ > BTW, I will drop the 1st and the 2nd (this) patch from next push. The 1st patch is completely independent from the delayed subtree, so is the 2nd patch. For the deadlock or possible performance regression caused by my original fix, it's unrelated to delayed subtree scan anyway. Thanks, Qu
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