[PATCH V5 4/7] nvme: add sysfs attribute to change IO timeout per controller

[Hannes Reinecke]

On 5/14/26 10:32, Maurizio Lombardi wrote:
> Currently, there is no method to adjust the timeout values on a
> per controller basis with nvme I/O queues.
> Add an io_timeout attribute to nvme so that different nvme controllers
> which may have different timeout requirements can have custom I/O
> timeouts set.
> 
> The I/O timeout is also applied to the connect queue (connect_q).
> In NVMe over Fabrics, the connect queue is utilized specifically to
> issue Connect commands that establish the I/O queues.
> 
> Reviewed-by: Mohamed Khalfella <mkhalfella at purestorage.com>
> Reviewed-by: Daniel Wagner <dwagner at suse.de>
> Signed-off-by: Maurizio Lombardi <mlombard at redhat.com>
> ---
>   drivers/nvme/host/core.c  |  4 +++-
>   drivers/nvme/host/nvme.h  |  1 +
>   drivers/nvme/host/sysfs.c | 47 +++++++++++++++++++++++++++++++++++++++
>   3 files changed, 51 insertions(+), 1 deletion(-)
> 
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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