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| author | Darrick J. Wong <djwong@us.ibm.com> | 2007-01-11 14:15:43 -0800 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-01-13 16:21:53 -0600 |
| commit | 6b0efb8516a5298e12033df61f9e0c376a306adb (patch) | |
| tree | 3f63587167905e86de330fb28219dbfb309aad9a /include/scsi/libsas.h | |
| parent | 980fa2f9d64b9be96107c89e165953ace311af54 (diff) | |
| download | linux-6b0efb8516a5298e12033df61f9e0c376a306adb.tar.gz linux-6b0efb8516a5298e12033df61f9e0c376a306adb.tar.bz2 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: */ |