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scsi: core: Add a device_configure method to the host template

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This is a version of ->slave_configure that also takes a queue_limits
structure that the caller applies, and thus allows drivers to reconfigure
the queue using the atomic queue limits API.

In the long run it should also replace ->slave_configure entirely as there
is no need to have two different methods here, and the slave name in
addition to being politically charged also has no basis in the SCSI
standards or the kernel code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240409143748.980206-11-hch@lst.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Christoph Hellwig
2024-04-09 16:37:35 +02:00
committed by Martin K. Petersen
parent 693a1e8cbe
commit b7eefcf11f
2 changed files with 30 additions and 21 deletions
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4
include/scsi/scsi_host.h
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@@ -211,7 +211,11 @@ struct scsi_host_template {
* up after yourself before returning non-0
*
* Status: OPTIONAL
*
* Note: slave_configure is the legacy version, use device_configure for
* all new code. A driver must never define both.
*/
int (* device_configure)(struct scsi_device *, struct queue_limits *lim);
int (* slave_configure)(struct scsi_device *);
/*