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Subject[PATCH v3 0/2] optimize the bfq queue idle judgment
Date
Changes in V3:
- Instead of tracking each queue in root group, tracking root group
directly just like non-root group does.
- remove patch 3,4 from these series.

Chagnes in V2:
- as suggested by Paolo, add support to track if root_group have any
pending requests, and use that to handle the situation when only one
group is activated while root group doesn't have any pending requests.
- modify commit message in patch 2

Yu Kuai (2):
block, bfq: counted root group into 'num_groups_with_pending_reqs'
block, bfq: do not idle if only one cgroup is activated

block/bfq-iosched.c | 40 ++++++++++++++++++++++++++++--------
block/bfq-wf2q.c | 50 +++++++++++++++++++++++++++++++++------------
2 files changed, 69 insertions(+), 21 deletions(-)

--
2.31.1

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