[f2fs-dev] [SPAM] sintered brake pad

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Re: [f2fs-dev] [PATCH 5/6] f2fs: add a kernel thread to issue discard commands asynchronously

2017-01-16 Thread Christoph Hellwig
On Fri, Jan 13, 2017 at 11:12:11AM -0800, Jaegeuk Kim wrote: > Previously, I've done to issue discard bios asynchronously. But the problem > that > I've got is that was not enough. When testing nvme SSD with noop IO scheduler, > submit_bio() was blocked at every 8 async discard bios, resulting in