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| author | Darrick J. Wong | 2007-01-11 23:15:43 +0100 |
|---|---|---|
| committer | James Bottomley | 2007-01-13 23:21:53 +0100 |
| commit | 6b0efb8516a5298e12033df61f9e0c376a306adb (patch) | |
| tree | 3f63587167905e86de330fb28219dbfb309aad9a /include/scsi/libsas.h | |
| parent | [SCSI] libsas: phy port lock needs irq spinlocks (diff) | |
| download | kernel-qcow2-linux-6b0efb8516a5298e12033df61f9e0c376a306adb.tar.gz kernel-qcow2-linux-6b0efb8516a5298e12033df61f9e0c376a306adb.tar.xz kernel-qcow2-linux-6b0efb8516a5298e12033df61f9e0c376a306adb.zip | |
[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 <malahal@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi/libsas.h')
| -rw-r--r-- | include/scsi/libsas.h | 8 |
1 files changed, 8 insertions, 0 deletions
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: */ |