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authorJens Axboe <axboe@kernel.dk>2018-10-29 16:23:51 (GMT)
committerJens Axboe <axboe@kernel.dk>2018-11-07 20:42:32 (GMT)
commita1ce35fa49852db60fc6e268038530be533c5b15 (patch)
tree7a0bb9576a3f0e31e22f849463eee6cdda26bad5 /block/kyber-iosched.c
parentf382fb0bcef4c37dc049e9f6963e3baf204d815c (diff)
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block: remove dead elevator code
This removes a bunch of core and elevator related code. On the core front, we remove anything related to queue running, draining, initialization, plugging, and congestions. We also kill anything related to request allocation, merging, retrieval, and completion. Remove any checking for single queue IO schedulers, as they no longer exist. This means we can also delete a bunch of code related to request issue, adding, completion, etc - and all the SQ related ops and helpers. Also kill the load_default_modules(), as all that did was provide for a way to load the default single queue elevator. Tested-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/kyber-iosched.c')
-rw-r--r--block/kyber-iosched.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index eccac01..728757a 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -1032,7 +1032,6 @@ static struct elevator_type kyber_sched = {
.dispatch_request = kyber_dispatch_request,
.has_work = kyber_has_work,
},
- .uses_mq = true,
#ifdef CONFIG_BLK_DEBUG_FS
.queue_debugfs_attrs = kyber_queue_debugfs_attrs,
.hctx_debugfs_attrs = kyber_hctx_debugfs_attrs,