On 2019/2/25 下午9:02, Hans van Kranenburg wrote: > Hi Qu, > > On 1/2/19 6:29 AM, Qu Wenruo wrote: >> This patchset can be fetched from: >> https://github.com/adam900710/linux/tree/bg_tree >> Which is based on v4.20-rc1 tag. >> >> This patchset will hugely reduce mount time of large fs by putting all >> block group items into its own tree. > > I'm going to test this. > > Is there some specific command you'd like me to use to produce results > for benchmarks? Nope. If I provides some commands, those must be super beneficial for BG_TREE. So just use whatever you like, near real world use case would be more appreciated. Thanks, Qu