From 82f29467a025f6a2192d281e97fca0be46e905cc Mon Sep 17 00:00:00 2001 From: Mike Anderson Date: Thu, 16 Jun 2005 11:14:33 -0700 Subject: [SCSI] host state model update: mediate host add/remove race Add support to not allow additions to a host when it is being removed. Signed-off-by: Mike Anderson Signed-off-by: James Bottomley --- include/scsi/scsi_host.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/scsi') diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 0b1e275b269..1ea5b51d174 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -650,6 +650,15 @@ static inline struct device *scsi_get_device(struct Scsi_Host *shost) return shost->shost_gendev.parent; } +/** + * scsi_host_scan_allowed - Is scanning of this host allowed + * @shost: Pointer to Scsi_Host. + **/ +static inline int scsi_host_scan_allowed(struct Scsi_Host *shost) +{ + return shost->shost_state == SHOST_RUNNING; +} + extern void scsi_unblock_requests(struct Scsi_Host *); extern void scsi_block_requests(struct Scsi_Host *); -- cgit v1.2.3