Messages in this thread | | | Date | Thu, 21 Mar 2013 12:32:52 +0100 | From | Jan Kara <> | Subject | Re: [PATCH 3/4] writeback: replace custom worker pool implementation with unbound workqueue |
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On Wed 20-03-13 22:07:18, Tejun Heo wrote: > 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? Yeah, that sounds good! Thanks!
Honza -- Jan Kara <jack@suse.cz> SUSE Labs, CR
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