Messages in this thread | | | From | Jeff Moyer <> | Subject | Re: [PATCH v5 0/5] AIO add per-command iopriority | Date | Mon, 21 May 2018 16:57:37 -0400 |
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Hi, Adam,
adam.manzanares@wdc.com writes:
> From: Adam Manzanares <adam.manzanares@wdc.com> > > This is the per-I/O equivalent of the ioprio_set system call. > See the following link for performance implications on a SATA HDD: > https://lkml.org/lkml/2016/12/6/495 > > First patch factors ioprio_check_cap function out of ioprio_set system call to > also be used by the aio ioprio interface. > > Second patch converts kiocb ki_hint field to a u16 to avoid kiocb bloat. > > Third patch passes ioprio hint from aio iocb to kiocb and inititalizes kiocb > ioprio value appropriately when it is not explicitly set. > > Fourth patch enables the feature for blkdev. > > Fifth patch enables the feature for iomap direct IO > > Note: this work is based on top of linux-vfs/for-next
I'll cook up a libaio test case. Can you put together a man-pages update for this?
Thanks! Jeff
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