summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorAndreas Herrmann <aherrman@de.ibm.com>2005-09-13 21:48:33 +0200
committerJames Bottomley <jejb@mulgrave.(none)>2005-09-19 20:01:53 +0200
commit77eb1699c76177af2f3d65c8ae7934cf304e0254 (patch)
treeac3f780aa91d63be314feee54f306d48d996b09c /drivers
parent[SCSI] zfcp: remove union zfcp_req_data, use unit refcount for FCP commands (diff)
downloadlinux-77eb1699c76177af2f3d65c8ae7934cf304e0254.tar.xz
linux-77eb1699c76177af2f3d65c8ae7934cf304e0254.zip
[SCSI] zfcp: remove function zfcp_fsf_req_wait_and_cleanup
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/scsi/zfcp_ext.h1
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c46
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c21
3 files changed, 9 insertions, 59 deletions
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index cd98a2de9f8f..c400e3b9de97 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -109,7 +109,6 @@ extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
extern int zfcp_fsf_send_ct(struct zfcp_send_ct *, mempool_t *,
struct zfcp_erp_action *);
extern int zfcp_fsf_send_els(struct zfcp_send_els *);
-extern int zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *, int, u32 *);
extern int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *,
struct zfcp_unit *,
struct scsi_cmnd *,
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 64e2c3480189..929f6c9cad39 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -4548,52 +4548,6 @@ skip_fsfstatus:
return retval;
}
-
-/*
- * function: zfcp_fsf_req_wait_and_cleanup
- *
- * purpose:
- *
- * FIXME(design): signal seems to be <0 !!!
- * returns: 0 - request completed (*status is valid), cleanup succ.
- * <0 - request completed (*status is valid), cleanup failed
- * >0 - signal which interrupted waiting (*status invalid),
- * request not completed, no cleanup
- *
- * *status is a copy of status of completed fsf_req
- */
-int
-zfcp_fsf_req_wait_and_cleanup(struct zfcp_fsf_req *fsf_req,
- int interruptible, u32 * status)
-{
- int retval = 0;
- int signal = 0;
-
- if (interruptible) {
- __wait_event_interruptible(fsf_req->completion_wq,
- fsf_req->status &
- ZFCP_STATUS_FSFREQ_COMPLETED,
- signal);
- if (signal) {
- ZFCP_LOG_DEBUG("Caught signal %i while waiting for the "
- "completion of the request at %p\n",
- signal, fsf_req);
- retval = signal;
- goto out;
- }
- } else {
- __wait_event(fsf_req->completion_wq,
- fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
- }
-
- *status = fsf_req->status;
-
- /* cleanup request */
- zfcp_fsf_req_free(fsf_req);
- out:
- return retval;
-}
-
static inline int
zfcp_fsf_req_sbal_check(unsigned long *flags,
struct zfcp_qdio_queue *queue, int needed)
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index fffd12399010..3b5d48c61534 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -558,9 +558,8 @@ static int
zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
{
struct zfcp_adapter *adapter = unit->port->adapter;
- int retval;
- int status;
struct zfcp_fsf_req *fsf_req;
+ int retval = 0;
/* issue task management function */
fsf_req = zfcp_fsf_send_fcp_command_task_management
@@ -574,18 +573,16 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags)
goto out;
}
- retval = zfcp_fsf_req_wait_and_cleanup(fsf_req,
- ZFCP_UNINTERRUPTIBLE, &status);
- /*
- * check completion status of task management function
- * (status should always be valid since no signals permitted)
- */
- if (status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED)
+ __wait_event(fsf_req->completion_wq,
+ fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
+
+ /* check completion status of task management function */
+ if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED)
retval = -EIO;
- else if (status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP)
+ else if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCNOTSUPP)
retval = -ENOTSUPP;
- else
- retval = 0;
+
+ zfcp_fsf_req_free(fsf_req);
out:
return retval;
}