NVMe: Introduce CMB allocation scheme
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- v2 Latest3 patches 0 repliesNew
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Patches in v2 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | blk-mq: helper to reduce queue depth on all hardware contextsblock/ include/ | +21 | 0 replies | |
| 2/3 | NVMe: Introduce sysfs entries for submission queues in CMBdrivers/ drivers/ drivers/ | +292 | 0 replies | |
| 3/3 | NVMe: Generate resource tree for CMBdrivers/ drivers/ drivers/ | +48 | 0 replies |
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Cover letter [Patchv2 0/3] NVMe: Introduce CMB allocation scheme
This set is a continuation of v1 introduced in December [1]. v1 was missing the controls to reduce the queue depth, and so would allow tags to be issued above the depth of the CMB allocated queues.
v2 drops patch 3 of v1 which created a cmb_resources file with a layout similar to the pci_dev resource file.
This set was tested with QEMU with NVMe device emulation [2]
Applies to Jen's for-4.6/drivers [3]
[1] http://lists.infradead.org/pipermail/linux-nvme/2015-December/003510.html
[2] git://git.infradead.org/users/kbusch/qemu-nvme.git
[3] https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git/log/?h=for-4.6/drivers
Jon Derrick (3):
blk-mq: helper to reduce queue depth on all hardware contexts
NVMe: Introduce sysfs entries for submission queues in CMB
NVMe: Generate resource tree for CMB
block/blk-mq.c | 20 ++++ drivers/nvme/host/core.c | 136 ++++++++++++++++++++++++++- drivers/nvme/host/nvme.h | 22 +++++ drivers/nvme/host/pci.c | 238 ++++++++++++++++++++++++++++++++--------------- include/linux/blk-mq.h | 1 + 5 files changed, 339 insertions(+), 78 deletions(-)
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