Messages in this thread | | | Subject | Re: [PATCH v8 0/6] vfs: Use dlock list for SB's s_inodes list | From | Waiman Long <> | Date | Sun, 25 Feb 2018 23:05:07 -0500 |
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On 02/25/2018 09:47 PM, Dave Chinner wrote: > Hi Waiman, > > What's happened to this patchset? Any plans to repost a more recent > version? > > FYI, I just ran a workload that hit 60% CPU usage on sb inode list > lock contention - a multithreaded bulkstat scan of an XFS filesystem > with millions of inodes on SSDs. last time I ran this (about 18 > months ago now!) I saw rates of about 600,000 inodes/s being scanned > from userspace. The run I did earlier today made 300,000 inodes/s on > the same 16p machine and was completely CPU bound.... > > Cheers, > > Dave.
I was planning to repost the patchset with the latest change last November and then Meltdown/Spectre happened. I was drafted into backporting fixes to RHEL6. Hopefully, I can finish up the work in early March and work on my upstream patches again.
Cheers, Longman
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