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| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2010-03-24 16:50:31 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-04-11 16:49:35 +0200 |
| commit | a1dbfddd02d2b3e75f8750c68563e1d6eec16260 (patch) | |
| tree | 130622cc131439bb4883d94ca862b2152109ad6e /drivers/s390/scsi/zfcp_scsi.c | |
| parent | [SCSI] Allow FC LLD to fast-fail scsi eh by introducing new eh return (diff) | |
| download | linux-a1dbfddd02d2b3e75f8750c68563e1d6eec16260.tar.xz linux-a1dbfddd02d2b3e75f8750c68563e1d6eec16260.zip | |
[SCSI] zfcp: Pass return code from fc_block_scsi_eh to scsi eh
The return code FAST_IO_FAIL from fc_block_scsi_eh indicates that the
pending I/O requests have been terminated as a result of the
fast_io_fail_tmo. Pass this return code back to the scsi eh to stop
the scsi eh in this case.
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 | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 174b6d57d576..d13eb9a6408a 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -175,7 +175,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) struct zfcp_fsf_req *old_req, *abrt_req; unsigned long flags; unsigned long old_reqid = (unsigned long) scpnt->host_scribble; - int retval = SUCCESS; + int retval = SUCCESS, ret; int retry = 3; char *dbf_tag; @@ -200,7 +200,9 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) break; zfcp_erp_wait(adapter); - fc_block_scsi_eh(scpnt); + ret = fc_block_scsi_eh(scpnt); + if (ret) + return ret; if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL, @@ -231,7 +233,7 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) struct zfcp_unit *unit = scpnt->device->hostdata; struct zfcp_adapter *adapter = unit->port->adapter; struct zfcp_fsf_req *fsf_req = NULL; - int retval = SUCCESS; + int retval = SUCCESS, ret; int retry = 3; while (retry--) { @@ -240,7 +242,10 @@ static int zfcp_task_mgmt_function(struct scsi_cmnd *scpnt, u8 tm_flags) break; zfcp_erp_wait(adapter); - fc_block_scsi_eh(scpnt); + ret = fc_block_scsi_eh(scpnt); + if (ret) + return ret; + if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) { zfcp_dbf_scsi_devreset("nres", tm_flags, unit, scpnt); @@ -276,10 +281,13 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt) { struct zfcp_unit *unit = scpnt->device->hostdata; struct zfcp_adapter *adapter = unit->port->adapter; + int ret; zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt); zfcp_erp_wait(adapter); - fc_block_scsi_eh(scpnt); + ret = fc_block_scsi_eh(scpnt); + if (ret) + return ret; return SUCCESS; } |