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| author | Dan Williams <dan.j.williams@intel.com> | 2011-07-29 17:26:39 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-08-27 08:35:13 -0600 |
| commit | 4fcf812ca392303aa79dd50e96e83a29faa13bd0 (patch) | |
| tree | 411c33d701989b44ba2f4ecb64fd0cba92214958 /drivers/scsi/pm8001 | |
| parent | 7ca3c803e85080afdff4097e60fefec865027809 (diff) | |
| download | linux-4fcf812ca392303aa79dd50e96e83a29faa13bd0.tar.gz linux-4fcf812ca392303aa79dd50e96e83a29faa13bd0.tar.bz2 linux-4fcf812ca392303aa79dd50e96e83a29faa13bd0.zip | |
[SCSI] libsas: export sas_alloc_task()
Now that isci has added a 3rd open coded user of this functionality just
share the libsas version.
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/pm8001')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_sas.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 6ae059ebb4bb..7dbbf8bb4d88 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -669,30 +669,6 @@ int pm8001_dev_found(struct domain_device *dev) return pm8001_dev_found_notify(dev); } -/** - * pm8001_alloc_task - allocate a task structure for TMF - */ -static struct sas_task *pm8001_alloc_task(void) -{ - struct sas_task *task = kzalloc(sizeof(*task), GFP_KERNEL); - if (task) { - INIT_LIST_HEAD(&task->list); - spin_lock_init(&task->task_state_lock); - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_timer(&task->timer); - init_completion(&task->completion); - } - return task; -} - -static void pm8001_free_task(struct sas_task *task) -{ - if (task) { - BUG_ON(!list_empty(&task->list)); - kfree(task); - } -} - static void pm8001_task_done(struct sas_task *task) { if (!del_timer(&task->timer)) @@ -728,7 +704,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); for (retry = 0; retry < 3; retry++) { - task = pm8001_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -789,14 +765,13 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat)); - pm8001_free_task(task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - if (task != NULL) - pm8001_free_task(task); + sas_free_task(task); return res; } @@ -811,7 +786,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, struct sas_task *task = NULL; for (retry = 0; retry < 3; retry++) { - task = pm8001_alloc_task(); + task = sas_alloc_task(GFP_KERNEL); if (!task) return -ENOMEM; @@ -864,14 +839,13 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, SAS_ADDR(dev->sas_addr), task->task_status.resp, task->task_status.stat)); - pm8001_free_task(task); + sas_free_task(task); task = NULL; } } ex_err: BUG_ON(retry == 3 && task != NULL); - if (task != NULL) - pm8001_free_task(task); + sas_free_task(task); return res; } |