diff options
| author | Swen Schillig <swen@vnet.ibm.com> | 2009-08-18 15:43:14 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-09-05 08:49:18 -0500 |
| commit | 058b8647892ed49ba6a0d2c0966a72e20e2e69ff (patch) | |
| tree | ba8baad2244bbacc5974207fb2274fb6c355d385 /drivers/s390/scsi/zfcp_scsi.c | |
| parent | bd63eaf4b8d783e6033930e377e516169abcadc4 (diff) | |
| download | op-kernel-dev-058b8647892ed49ba6a0d2c0966a72e20e2e69ff.zip op-kernel-dev-058b8647892ed49ba6a0d2c0966a72e20e2e69ff.tar.gz | |
[SCSI] zfcp: Replace fsf_req wait_queue with completion
The combination wait_queue/wakeup in conjunction with the flag
ZFCP_STATUS_FSFREQ_COMPLETED to signal the completion of an fsfreq
was not race-safe and can be better solved by a completion.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 0bd80a9..0de0591 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -206,8 +206,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) if (!abrt_req) return FAILED; - wait_event(abrt_req->completion_wq, - abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED); + wait_for_completion(&abrt_req->completion); if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) dbf_tag = "okay"; @@ -246,8 +245,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) if (!fsf_req) return FAILED; - wait_event(fsf_req->completion_wq, - fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED); + wait_for_completion(&fsf_req->completion); if (fsf_req->status & ZFCP_STATUS_FSFREQ_TMFUNCFAILED) { zfcp_scsi_dbf_event_devreset("fail", tm_flags, unit, scpnt); |
