[PATCHv12 07/12] io_uring: enable per-io write streams

[Hannes Reinecke]

On 12/6/24 23:17, Keith Busch wrote:
> From: Keith Busch <kbusch at kernel.org>
> 
> Allow userspace to pass a per-I/O write stream in the SQE:
> 
>        __u8 write_stream;
> 
> The __u8 type matches the size the filesystems and block layer support.
> 
> Application can query the supported values from the statx
> max_write_streams field. Unsupported values are ignored by file
> operations that do not support write streams or rejected with an error
> by those that support them.
> 
> Signed-off-by: Keith Busch <kbusch at kernel.org>
> ---
>   include/uapi/linux/io_uring.h | 4 ++++
>   io_uring/io_uring.c           | 2 ++
>   io_uring/rw.c                 | 1 +
>   3 files changed, 7 insertions(+)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
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