> Il giorno 07 feb 2017, alle ore 18:24, Paolo Valente <paolo.valente@xxxxxxxxxx> ha scritto: > > Hi, > > I have finally pushed here [1] the current WIP branch of bfq for > blk-mq, which I have tentatively named bfq-mq. > > This branch *IS NOT* meant for merging into mainline and contain code > that mau easily violate code style, and not only, in many > places. Commits implement the following main steps: > 1) Add the last version of bfq for blk > 2) Clone bfq source files into identical bfq-mq source files > 3) Modify bfq-mq files to get a working version of bfq for blk-mq > (cgroups support not yet functional) > > In my intentions, the main goals of this branch are: > > 1) Show, as soon as I could, the changes I made to let bfq-mq comply > with blk-mq-sched framework. I though this could be particularly > useful for Jens, being BFQ identical to CFQ in terms of hook > interfaces and io-context handling, and almost identical in terms > request-merging. > > 2) Enable people to test this first version bfq-mq. Code is purposely > overfull of log messages and invariant checks that halt the system on > failure (lock assertions, BUG_ONs, ...). > > To make it easier to revise commits, I'm sending the patches that > transform bfq into bfq-mq (last four patches in the branch [1]). They > work on two files, bfq-mq-iosched.c and bfq-mq.h, which, at the > beginning, are just copies of bfq-iosched.c and bfq.h. > Hi, this is just to inform that, as I just wrote to Bart, I have rebase the branch [1] against the current content of for-4.11/next. Jens, Omar, did you find the time to have a look at the main commits or to run some test? Thanks, Paolo [1] https://github.com/Algodev-github/bfq-mq > Thanks, > Paolo > > [1] https://github.com/Algodev-github/bfq-mq > > Paolo Valente (4): > blk-mq: pass bio to blk_mq_sched_get_rq_priv > Move thinktime from bic to bfqq > Embed bfq-ioc.c and add locking on request queue > Modify interface and operation to comply with blk-mq-sched > > block/bfq-cgroup.c | 4 - > block/bfq-mq-iosched.c | 852 +++++++++++++++++++++++++++++------------------ > block/bfq-mq.h | 65 ++-- > block/blk-mq-sched.c | 8 +- > block/blk-mq-sched.h | 5 +- > include/linux/elevator.h | 2 +- > 6 files changed, 567 insertions(+), 369 deletions(-) > > -- > 2.10.0
