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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-12 13:40:51 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-01-12 13:40:51 -0800 |
| commit | b8c3b8992ff2827482ac1543f84f5024a72c4f2e (patch) | |
| tree | e296f51688cfa6752f16b1422acb07633d2f1289 /Documentation/block/bfq-iosched.txt | |
| parent | Merge tag 'remove-dma_zalloc_coherent-5.0' of git://git.infradead.org/users/hch/dma-mapping (diff) | |
| parent | ata: ahci: mvebu: request PHY suspend/resume for Armada 3700 (diff) | |
| download | linux-dev-b8c3b8992ff2827482ac1543f84f5024a72c4f2e.tar.xz linux-dev-b8c3b8992ff2827482ac1543f84f5024a72c4f2e.zip | |
Merge tag 'for-linus-20190112' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph, with little fixes all over the map
- Loop caching fix for offset/bs change (Jaegeuk Kim)
- Block documentation tweaks (Jeff, Jon, Weiping, John)
- null_blk zoned tweak (John)
- ahch mvebu suspend/resume support. Should have gone into the merge
window, but there was some confusion on which tree had it. (Miquel)
* tag 'for-linus-20190112' of git://git.kernel.dk/linux-block: (22 commits)
ata: ahci: mvebu: request PHY suspend/resume for Armada 3700
ata: ahci: mvebu: add Armada 3700 initialization needed for S2RAM
ata: ahci: mvebu: do Armada 38x configuration only on relevant SoCs
ata: ahci: mvebu: remove stale comment
ata: libahci_platform: comply to PHY framework
loop: drop caches if offset or block_size are changed
block: fix kerneldoc comment for blk_attempt_plug_merge()
nvme: don't initlialize ctrl->cntlid twice
nvme: introduce NVME_QUIRK_IGNORE_DEV_SUBNQN
nvme: pad fake subsys NQN vid and ssvid with zeros
nvme-multipath: zero out ANA log buffer
nvme-fabrics: unset write/poll queues for discovery controllers
nvme-tcp: don't ask if controller is fabrics
nvme-tcp: remove dead code
nvme-pci: fix out of bounds access in nvme_cqe_pending
nvme-pci: rerun irq setup on IO queue init errors
nvme-pci: use the same attributes when freeing host_mem_desc_bufs.
nvme-pci: fix the wrong setting of nr_maps
block: doc: add slice_idle_us to bfq documentation
block: clarify documentation for blk_{start|finish}_plug
...
Diffstat (limited to 'Documentation/block/bfq-iosched.txt')
| -rw-r--r-- | Documentation/block/bfq-iosched.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/block/bfq-iosched.txt b/Documentation/block/bfq-iosched.txt index 8d8d8f06cab2..98a8dd5ee385 100644 --- a/Documentation/block/bfq-iosched.txt +++ b/Documentation/block/bfq-iosched.txt @@ -357,6 +357,13 @@ video playing/streaming, a very low drop rate may be more important than maximum throughput. In these cases, consider setting the strict_guarantees parameter. +slice_idle_us +------------- + +Controls the same tuning parameter as slice_idle, but in microseconds. +Either tunable can be used to set idling behavior. Afterwards, the +other tunable will reflect the newly set value in sysfs. + strict_guarantees ----------------- |