diff options
Diffstat (limited to 'drivers/scsi/libfc/fc_fcp.c')
-rw-r--r-- | drivers/scsi/libfc/fc_fcp.c | 39 |
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); |