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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-31 20:43:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-31 20:43:12 -0400
commitce9d8d9f7214c7b74a5dd7be8221545269a31155 (patch)
treef6d529ea1d0b1c801af4a938b30de94b00ef9ca3 /drivers/scsi/libfc/fc_fcp.c
parent82279e6bd7643da1b3fbda42555c3238c7b00d38 (diff)
parent592488a32b87daf27b92d2c1c5cdc440d1a1beae (diff)
downloadop-kernel-dev-ce9d8d9f7214c7b74a5dd7be8221545269a31155.zip
op-kernel-dev-ce9d8d9f7214c7b74a5dd7be8221545269a31155.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (70 commits) [SCSI] pmcraid: add support for set timestamp command and other fixes [SCSI] pmcraid: remove duplicate struct member [SCSI] qla4xxx: Fix cmd check in qla4xxx_cmd_wait [SCSI] megaraid_sas: Version and documentation update [SCSI] megaraid_sas: Add three times Online controller reset [SCSI] megaraid_sas: Add input parameter for max_sectors [SCSI] megaraid_sas: support devices update flag [SCSI] libosd: write/read_sg_kern API [SCSI] libosd: Support for scatter gather write/read commands [SCSI] libosd: Free resources in reverse order of allocation [SCSI] libosd: Fix bug in attr_page handling [SCSI] lpfc 8.3.18: Update lpfc driver version to 8.3.18 [SCSI] lpfc 8.3.18: Add new WQE support [SCSI] lpfc 8.3.18: Fix critical errors [SCSI] lpfc 8.3.18: Adapter Shutdown and Unregistration cleanup [SCSI] lpfc 8.3.18: Add logic to detect last devloss timeout [SCSI] lpfc 8.3.18: Add support of received ELS commands [SCSI] lpfc 8.3.18: FC/FCoE Discovery fixes [SCSI] ipr: add definitions for a new adapter [SCSI] bfa: fix comments for c files ...
Diffstat (limited to 'drivers/scsi/libfc/fc_fcp.c')
-rw-r--r--drivers/scsi/libfc/fc_fcp.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index c797f6b..e340373 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -58,8 +58,7 @@ struct kmem_cache *scsi_pkt_cachep;
#define FC_SRB_WRITE (1 << 0)
/*
- * The SCp.ptr should be tested and set under the host lock. NULL indicates
- * that the command has been retruned to the scsi layer.
+ * The SCp.ptr should be tested and set under the scsi_pkt_queue lock
*/
#define CMD_SP(Cmnd) ((struct fc_fcp_pkt *)(Cmnd)->SCp.ptr)
#define CMD_ENTRY_STATUS(Cmnd) ((Cmnd)->SCp.have_data_in)
@@ -1880,8 +1879,6 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
lport = fsp->lp;
si = fc_get_scsi_internal(lport);
- if (!fsp->cmd)
- return;
/*
* if can_queue ramp down is done then try can_queue ramp up
@@ -1891,11 +1888,6 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
fc_fcp_can_queue_ramp_up(lport);
sc_cmd = fsp->cmd;
- fsp->cmd = NULL;
-
- if (!sc_cmd->SCp.ptr)
- return;
-
CMD_SCSI_STATUS(sc_cmd) = fsp->cdb_status;
switch (fsp->status_code) {
case FC_COMPLETE:
@@ -1971,15 +1963,13 @@ static void fc_io_compl(struct fc_fcp_pkt *fsp)
break;
}
- if (lport->state != LPORT_ST_READY && fsp->status_code != FC_COMPLETE) {
- sc_cmd->result = (DID_REQUEUE << 16);
- FC_FCP_DBG(fsp, "Returning DID_REQUEUE to scsi-ml\n");
- }
+ if (lport->state != LPORT_ST_READY && fsp->status_code != FC_COMPLETE)
+ sc_cmd->result = (DID_TRANSPORT_DISRUPTED << 16);
spin_lock_irqsave(&si->scsi_queue_lock, flags);
list_del(&fsp->list);
- spin_unlock_irqrestore(&si->scsi_queue_lock, flags);
sc_cmd->SCp.ptr = NULL;
+ spin_unlock_irqrestore(&si->scsi_queue_lock, flags);
sc_cmd->scsi_done(sc_cmd);
/* release ref from initial allocation in queue command */
@@ -1997,6 +1987,7 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd)
{
struct fc_fcp_pkt *fsp;
struct fc_lport *lport;
+ struct fc_fcp_internal *si;
int rc = FAILED;
unsigned long flags;
@@ -2006,7 +1997,8 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd)
else if (!lport->link_up)
return rc;
- spin_lock_irqsave(lport->host->host_lock, flags);
+ si = fc_get_scsi_internal(lport);
+ spin_lock_irqsave(&si->scsi_queue_lock, flags);
fsp = CMD_SP(sc_cmd);
if (!fsp) {
/* command completed while scsi eh was setting up */
@@ -2015,7 +2007,7 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd)
}
/* grab a ref so the fsp and sc_cmd cannot be relased from under us */
fc_fcp_pkt_hold(fsp);
- spin_unlock_irqrestore(lport->host->host_lock, flags);
+ spin_unlock_irqrestore(&si->scsi_queue_lock, flags);
if (fc_fcp_lock_pkt(fsp)) {
/* completed while we were waiting for timer to be deleted */
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