summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/libfc/fc_fcp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/libfc/fc_fcp.c')
-rw-r--r--drivers/scsi/libfc/fc_fcp.c39
1 files changed, 15 insertions, 24 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 5962d1a5a674..b1b03af158bf 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -42,7 +42,7 @@
#include "fc_libfc.h"
-struct kmem_cache *scsi_pkt_cachep;
+static struct kmem_cache *scsi_pkt_cachep;
/* SRB state definitions */
#define FC_SRB_FREE 0 /* cmd is free */
@@ -155,6 +155,7 @@ static struct fc_fcp_pkt *fc_fcp_pkt_alloc(struct fc_lport *lport, gfp_t gfp)
if (fsp) {
memset(fsp, 0, sizeof(*fsp));
fsp->lp = lport;
+ fsp->xfer_ddp = FC_XID_UNKNOWN;
atomic_set(&fsp->ref_cnt, 1);
init_timer(&fsp->timer);
INIT_LIST_HEAD(&fsp->list);
@@ -1201,6 +1202,7 @@ unlock:
static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp)
{
int rc = FAILED;
+ unsigned long ticks_left;
if (fc_fcp_send_abort(fsp))
return FAILED;
@@ -1209,13 +1211,13 @@ static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp)
fsp->wait_for_comp = 1;
spin_unlock_bh(&fsp->scsi_pkt_lock);
- rc = wait_for_completion_timeout(&fsp->tm_done, FC_SCSI_TM_TOV);
+ ticks_left = wait_for_completion_timeout(&fsp->tm_done,
+ FC_SCSI_TM_TOV);
spin_lock_bh(&fsp->scsi_pkt_lock);
fsp->wait_for_comp = 0;
- if (!rc) {
+ if (!ticks_left) {
FC_FCP_DBG(fsp, "target abort cmd failed\n");
- rc = FAILED;
} else if (fsp->state & FC_SRB_ABORTED) {
FC_FCP_DBG(fsp, "target abort cmd passed\n");
rc = SUCCESS;
@@ -1321,7 +1323,7 @@ static void fc_tm_done(struct fc_seq *seq, struct fc_frame *fp, void *arg)
*
* scsi-eh will escalate for when either happens.
*/
- goto out;
+ return;
}
if (fc_fcp_lock_pkt(fsp))
@@ -1787,15 +1789,14 @@ static inline int fc_fcp_lport_queue_ready(struct fc_lport *lport)
/**
* fc_queuecommand() - The queuecommand function of the SCSI template
+ * @shost: The Scsi_Host that the command was issued to
* @cmd: The scsi_cmnd to be executed
- * @done: The callback function to be called when the scsi_cmnd is complete
*
- * This is the i/o strategy routine, called by the SCSI layer. This routine
- * is called with the host_lock held.
+ * This is the i/o strategy routine, called by the SCSI layer.
*/
-static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *))
+int fc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc_cmd)
{
- struct fc_lport *lport;
+ struct fc_lport *lport = shost_priv(shost);
struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device));
struct fc_fcp_pkt *fsp;
struct fc_rport_libfc_priv *rpriv;
@@ -1803,15 +1804,12 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs
int rc = 0;
struct fcoe_dev_stats *stats;
- lport = shost_priv(sc_cmd->device->host);
-
rval = fc_remote_port_chkready(rport);
if (rval) {
sc_cmd->result = rval;
- done(sc_cmd);
+ sc_cmd->scsi_done(sc_cmd);
return 0;
}
- spin_unlock_irq(lport->host->host_lock);
if (!*(struct fc_remote_port **)rport->dd_data) {
/*
@@ -1819,7 +1817,7 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs
* online
*/
sc_cmd->result = DID_IMM_RETRY << 16;
- done(sc_cmd);
+ sc_cmd->scsi_done(sc_cmd);
goto out;
}
@@ -1842,10 +1840,7 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs
* build the libfc request pkt
*/
fsp->cmd = sc_cmd; /* save the cmd */
- fsp->lp = lport; /* save the softc ptr */
fsp->rport = rport; /* set the remote port ptr */
- fsp->xfer_ddp = FC_XID_UNKNOWN;
- sc_cmd->scsi_done = done;
/*
* set up the transfer length
@@ -1886,11 +1881,8 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs
rc = SCSI_MLQUEUE_HOST_BUSY;
}
out:
- spin_lock_irq(lport->host->host_lock);
return rc;
}
-
-DEF_SCSI_QCMD(fc_queuecommand)
EXPORT_SYMBOL(fc_queuecommand);
/**
@@ -2112,7 +2104,6 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd)
* the sc passed in is not setup for execution like when sent
* through the queuecommand callout.
*/
- fsp->lp = lport; /* save the softc ptr */
fsp->rport = rport; /* set the remote port ptr */
/*
@@ -2245,7 +2236,7 @@ void fc_fcp_destroy(struct fc_lport *lport)
}
EXPORT_SYMBOL(fc_fcp_destroy);
-int fc_setup_fcp()
+int fc_setup_fcp(void)
{
int rc = 0;
@@ -2261,7 +2252,7 @@ int fc_setup_fcp()
return rc;
}
-void fc_destroy_fcp()
+void fc_destroy_fcp(void)
{
if (scsi_pkt_cachep)
kmem_cache_destroy(scsi_pkt_cachep);