To prevent injection information from being lost on bfq_queue merging,
also the amount of service that a bfq_queue receives must be saved and
restored when the bfq_queue is merged and split, respectively.
Tested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 5a5436b98d5cd2714feaaa579cec49dd7f7057bb)
(cherry picked from commit 9372e98dc77c7f2ebbb808a60abb01f30d70d0bc)
(cherry picked from commit e6a5b66cfe56495f26182cfd2340e3336bb4b2b4)
(cherry picked from commit c579a3634d163ed05cc4ac258411f03db969926e)
(cherry picked from commit 359f87d07390f687634185b0dd9d6f106fb5afdd)
(cherry picked from commit d1d1f1336ed77b83e98d26175e196b45a28958f4)
(cherry picked from commit 0ff8068594640924e0cffe27d8b0273bb80d74ca)
To prevent weight-raising information from being lost on bfq_queue merging,
also the amount of service that a bfq_queue receives must be saved and
restored when the bfq_queue is merged and split, respectively.
Tested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit e673914d52f913584cc4c454dfcff2e8eb04533f)
(cherry picked from commit 48f3cf9bb6ae73de3e8e6cad2e50c6e70a6cd33f)
(cherry picked from commit d947cf3f8bcbcbe2dd8f5eec82e83a35198f874b)
(cherry picked from commit 39b91f1f22265c70cdc48916ac694dad6c21c191)
(cherry picked from commit 421c82648e46467d29dc0b5cd5522f00a026083d)
(cherry picked from commit e9eecde7c67303c1dc87864c10c372019d609b0b)
(cherry picked from commit 41d4c63679c36dc63b4cc9be301ec8d8d518d33f)
Instead of having helper formating bfqq pid, provide a helper to
generate full bfqq name as used in the traces. It saves some code
duplication and will save more in the coming tracepoints.
Acked-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20211125133645.27483-6-jack@suse.cz
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit 582f04e19ad7b41df993c669805e48a01bcd9c5b)
(cherry picked from commit e030e88a4c2e220366f3db1af33d72d9638f93b5)
(cherry picked from commit e925a5fdce15f914ec2386b03bf64242792acce0)
(cherry picked from commit 9265a0e6952305932aa2b5caf2183387859dcfce)
(cherry picked from commit 41794de36673c11faca8c57625dfa50b76edde20)
(cherry picked from commit 5e830976b50a9f0a2c927b02f921f0d6ae796183)
(cherry picked from commit b5344876556e4a62cac7905bf11ca7ccf8d16d6d)
