This patch builds ATA commands with high priority if the iocontext of a process is set to real time. The goal of the patch is to improve tail latencies of workloads that use higher queue depths.
Adam Manzanares (3): block: Add iocontext priority to request ata: Enabling ATA Command Priorities ata: ATA Command Priority Disabled By Default drivers/ata/libahci.c | 1 + drivers/ata/libata-core.c | 35 +++++++++++++++++++++- drivers/ata/libata-scsi.c | 74 ++++++++++++++++++++++++++++++++++++++++++++++- drivers/ata/libata.h | 2 +- include/linux/ata.h | 6 ++++ include/linux/libata.h | 27 +++++++++++++++++ 6 files changed, 142 insertions(+), 3 deletions(-) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
