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scsi: sg: Increase number of devices 

Larger setups may need to allocate more than 32k sg devices, so increase
the number of devices to the full range of minor device numbers.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin Wilck <mwilck@suse.com>
Link: https://lore.kernel.org/r/20230614103616.31857-3-mwilck@suse.com
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2023-06-14 12:36:11 +02:00 committed by Martin K. Petersen
parent 9077fb2ab7
commit 37c918e03e
1 changed files with 1 additions and 1 deletions
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drivers/scsi/sg.c
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@ -71,7 +71,7 @@ static int sg_proc_init(void);
#define SG_ALLOW_DIO_DEF 0
#define SG_MAX_DEVS 32768
#define SG_MAX_DEVS (1 << MINORBITS)
/* SG_MAX_CDB_SIZE should be 260 (spc4r37 section 3.1.30) however the type
* of sg_io_hdr::cmd_len can only represent 255. All SCSI commands greater