From 2bb955840c1dc44746af8a7873d9a0ba70debbd6 Mon Sep 17 00:00:00 2001 From: Hannes Reinecke Date: Fri, 28 Feb 2020 08:53:13 +0100 Subject: scsi: core: add scsi_host_(block,unblock) helper function Add helper functions to call scsi_internal_device_block()/ scsi_internal_device_unblock() for all attached devices on a SCSI host. Link: https://lore.kernel.org/r/20200228075318.91255-9-hare@suse.de Reviewed-by: Christoph Hellwig Reviewed-by: Bart Van Assche Signed-off-by: Hannes Reinecke Signed-off-by: Martin K. Petersen --- include/scsi/scsi_host.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/scsi/scsi_host.h') diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 25bef781cbe1..613c3820028e 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -758,6 +758,8 @@ static inline int scsi_host_scan_allowed(struct Scsi_Host *shost) extern void scsi_unblock_requests(struct Scsi_Host *); extern void scsi_block_requests(struct Scsi_Host *); +extern int scsi_host_block(struct Scsi_Host *shost); +extern int scsi_host_unblock(struct Scsi_Host *shost, int new_state); struct class_container; -- cgit v1.2.3