On Wed, Jan 17, 2018 at 08:47:46PM +0100, Christoph Hellwig wrote: > Hi all, > > this patch adds workqueue based fsync offload. Version of this > patch have been floating around for a couple years, but we now > have a user with seastar used by ScyllaDB (who sponsored this > work) that really wants this in addition to the aio poll support. > More details are in the patch itself. > > Because the iocb types have been defined sine day one (and probably > were supported by RHEL3) libaio already supports these calls as-is. > > As the patch is on top of of the aio.c changes in the aio poll > series I've also provided a git tree: > > git://git.infradead.org/users/hch/vfs.git aio-fsync > > Gitweb: > > http://git.infradead.org/users/hch/vfs.git/shortlog/refs/heads/aio-fsync After I get back from LCA (all next week) I'll update the fsmark aio patches I have and retest this. The code looks pretty similar to the last "generic aio fsync" patch I wrote, so I'm guessing that the results will be pretty similar, too. It would be good to finally get this implemented in the kernel... Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
