From: Omar Sandoval <osandov@osandov.com>
To: Jens Axboe <axboe@fb.com>, linux-block@vger.kernel.org
Cc: kernel-team@fb.com
Subject: [PATCH 0/5] blk-mq: scheduler and hw queue initialization fixes/enhancements
Date: Mon, 3 Apr 2017 14:42:00 -0700 [thread overview]
Message-ID: <cover.1491254827.git.osandov@fb.com> (raw)
From: Omar Sandoval <osandov@fb.com>
Hi, Jens,
This series has some fixes and enhancements for blk-mq:
- Patch 1 is a cleanup in preparation for the rest of the series
- Patch 2 is a fix necessary for patch 4 when scheduling is enabled,
making sure we bring up new hardware queues with scheduler tags
- Patch 3 makes error handling in elevator_switch() more robust, making
us fall back to none like you recommended last time
- Patch 4 is the remap fix from last week
- Patch 5 is an extension of patch 2 for multiqueue schedulers that
allocate per-hctx data. Nothing in-tree needs it, but Kyber will.
Let me know if you'd prefer deferring this to 4.12 or want to apply 1-4
for 4.11. These are based on block/for-next, so the latter might require
a respin.
Thanks!
Omar Sandoval (5):
blk-mq-sched: refactor scheduler initialization
blk-mq-sched: set up scheduler tags when bringing up new queues
blk-mq-sched: fix crash in switch error path
blk-mq: remap queues when adding/removing hardware queues
blk-mq-sched: provide hooks for initializing hardware queue data
block/blk-mq-sched.c | 178 +++++++++++++++++++++++++++++------------------
block/blk-mq-sched.h | 13 ++--
block/blk-mq.c | 25 +++++--
block/blk-sysfs.c | 2 +-
block/elevator.c | 114 +++++++++++++++---------------
include/linux/elevator.h | 4 +-
6 files changed, 198 insertions(+), 138 deletions(-)
--
2.12.2
next reply other threads:[~2017-04-03 21:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-03 21:42 Omar Sandoval [this message]
2017-04-03 21:42 ` [PATCH 1/5] blk-mq-sched: refactor scheduler initialization Omar Sandoval
2017-04-03 21:42 ` [PATCH 2/5] blk-mq-sched: set up scheduler tags when bringing up new queues Omar Sandoval
2017-04-03 21:42 ` [PATCH 3/5] blk-mq-sched: fix crash in switch error path Omar Sandoval
2017-04-03 21:42 ` [PATCH 4/5] blk-mq: remap queues when adding/removing hardware queues Omar Sandoval
2017-04-03 21:42 ` [PATCH 5/5] blk-mq-sched: provide hooks for initializing hardware queue data Omar Sandoval
2017-04-04 17:09 ` [PATCH 0/5] blk-mq: scheduler and hw queue initialization fixes/enhancements Josef Bacik
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