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authorHannes Reinecke <hare@suse.de>2020-02-28 10:53:13 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2020-02-29 04:54:51 +0300
commit2bb955840c1dc44746af8a7873d9a0ba70debbd6 (patch)
treefa78adae27c16e7378390d6c44e8c8720c21586d /include
parent5646e13a95502a6944f369f8542df3d3ab871972 (diff)
downloadlinux-2bb955840c1dc44746af8a7873d9a0ba70debbd6.tar.xz
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 <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include')
-rw-r--r--include/scsi/scsi_host.h2
1 files changed, 2 insertions, 0 deletions
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;