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| 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_def.h | |
| parent | bd63eaf4b8d783e6033930e377e516169abcadc4 (diff) | |
| download | blackbird-op-linux-058b8647892ed49ba6a0d2c0966a72e20e2e69ff.tar.gz blackbird-op-linux-058b8647892ed49ba6a0d2c0966a72e20e2e69ff.zip | |
[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_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index c1becfc1e7fe..944f67754eed 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -248,7 +248,6 @@ enum zfcp_wka_status { /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 -#define ZFCP_STATUS_FSFREQ_COMPLETED 0x00000004 #define ZFCP_STATUS_FSFREQ_ERROR 0x00000008 #define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010 #define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED 0x00000040 @@ -532,7 +531,7 @@ struct zfcp_fsf_req { u8 sbale_curr; /* current SBALE during creation of request */ u8 sbal_response; /* SBAL used in interrupt */ - wait_queue_head_t completion_wq; /* can be used by a routine + struct completion completion; /* can be used by a routine to wait for completion */ u32 status; /* status of this request */ u32 fsf_command; /* FSF Command copy */ |
