Commit 37c918e0 authored Jun 14, 2023 by Hannes Reinecke Committed by Martin K. Petersen Jun 16, 2023

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>

parent 9077fb2a

drivers/scsi/sg.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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