On Mon, Jan 16, 2017 at 09:32:20AM -0800, Christoph Hellwig wrote: > 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 very > > slow > > checkpoint process which blocks most of other FS operations. > > Where does it block? Are you running out of request? What driver is > this on top of?
Ping? I'm currently spending a lot of effort on fs and block dÑ–scard code, and I'd like to make sure we get common infrastructure instead of local hacks. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel