Messages in this thread | | | Date | Wed, 20 Mar 2013 22:07:18 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH 3/4] writeback: replace custom worker pool implementation with unbound workqueue |
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Hello, Dave.
On Thu, Mar 21, 2013 at 12:57:21PM +1100, Dave Chinner wrote: > When you have a system that has 50+ active filesystems (pretty > common in the distributed storage environments were every disk has > it's own filesystem), knowing which filesystem(s) are getting stuck > in writeback from the sysrq-w or hangcheck output is pretty damn > important....
Hmm... I guess, then, what we can do is adding a worker description which is printed out with task dump. ie. A work function can call work_set_desc(fmt, arg....). It won't be expensive and can be implemented relatively easily. Does that sound good enough?
Thanks.
-- tejun
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