From 6b0efb8516a5298e12033df61f9e0c376a306adb Mon Sep 17 00:00:00 2001 From: "Darrick J. Wong" Date: Thu, 11 Jan 2007 14:15:43 -0800 Subject: [SCSI] libsas: Add SAS_HA state flags to avoid queueing events while unloading Track sas_ha_struct state so that we ignore events that come in while we're shutting things down. Signed-off-by: Malahal Naineni Signed-off-by: James Bottomley --- include/scsi/libsas.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/scsi/libsas.h') diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index c83426344e8f..ca393929c10b 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -323,12 +323,20 @@ struct sas_ha_event { struct sas_ha_struct *ha; }; +enum sas_ha_state { + SAS_HA_REGISTERED, + SAS_HA_UNREGISTERED +}; + struct sas_ha_struct { /* private: */ spinlock_t event_lock; struct sas_ha_event ha_events[HA_NUM_EVENTS]; unsigned long pending; + enum sas_ha_state state; + spinlock_t state_lock; + struct scsi_core core; /* public: */ -- cgit v1.2.2