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| author | Dan Williams <dan.j.williams@intel.com> | 2011-12-19 17:02:25 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-19 13:47:29 -0600 |
| commit | f8daa6e6d83f60a721752cb53433bfdc1503b45f (patch) | |
| tree | 66798b2d2763a53acada47040c86f7c094430f0a | |
| parent | b15ebe0b5d0b95aeb1d84cae3649df1e0e065e9b (diff) | |
| download | op-kernel-dev-f8daa6e6d83f60a721752cb53433bfdc1503b45f.zip op-kernel-dev-f8daa6e6d83f60a721752cb53433bfdc1503b45f.tar.gz | |
[SCSI] libsas: convert ha->state to flags
In preparation for adding new states (SAS_HA_DRAINING, SAS_HA_FROZEN),
convert ha->state into a set of flags.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| -rw-r--r-- | drivers/scsi/libsas/sas_init.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/libsas/sas_internal.h | 2 | ||||
| -rw-r--r-- | include/scsi/libsas.h | 3 |
3 files changed, 4 insertions, 5 deletions
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index a435876..da244e6 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -112,7 +112,7 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) else if (sas_ha->lldd_queue_size == -1) sas_ha->lldd_queue_size = 128; /* Sanity */ - sas_ha->state = SAS_HA_REGISTERED; + set_bit(SAS_HA_REGISTERED, &sas_ha->state); spin_lock_init(&sas_ha->state_lock); error = sas_register_phys(sas_ha); @@ -160,7 +160,7 @@ int sas_unregister_ha(struct sas_ha_struct *sas_ha) /* Set the state to unregistered to avoid further * events to be queued */ spin_lock_irqsave(&sas_ha->state_lock, flags); - sas_ha->state = SAS_HA_UNREGISTERED; + clear_bit(SAS_HA_REGISTERED, &sas_ha->state); spin_unlock_irqrestore(&sas_ha->state_lock, flags); scsi_flush_work(sas_ha->core.shost); diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 7fe4ede..1fd84b3 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -100,7 +100,7 @@ static inline void sas_queue_event(int event, unsigned long *pending, unsigned long flags; spin_lock_irqsave(&sas_ha->state_lock, flags); - if (sas_ha->state != SAS_HA_UNREGISTERED) + if (test_bit(SAS_HA_REGISTERED, &sas_ha->state)) scsi_queue_work(sas_ha->core.shost, work); spin_unlock_irqrestore(&sas_ha->state_lock, flags); } diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h index de63a66..8e402d5 100644 --- a/include/scsi/libsas.h +++ b/include/scsi/libsas.h @@ -330,7 +330,6 @@ struct sas_ha_event { enum sas_ha_state { SAS_HA_REGISTERED, - SAS_HA_UNREGISTERED }; struct sas_ha_struct { @@ -338,7 +337,7 @@ struct sas_ha_struct { struct sas_ha_event ha_events[HA_NUM_EVENTS]; unsigned long pending; - enum sas_ha_state state; + unsigned long state; spinlock_t state_lock; struct scsi_core core; |
