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[SCSI] aic79xx: remove scsi_assign_lock usage 

just take the internal lock in queuecommand instead.  also switch
the only direct use of the internal lock to the wrappers used elsewhere.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig 2005-10-31 20:05:01 +01:00 committed by James Bottomley
parent 6d5e9fd196
commit 4065a413d7
1 changed files with 14 additions and 23 deletions
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37
drivers/scsi/aic7xxx/aic79xx_osm.c
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@ -436,29 +436,20 @@ ahd_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
{
struct ahd_softc *ahd;
struct ahd_linux_device *dev = scsi_transport_device_data(cmd->device);
int rtn = SCSI_MLQUEUE_HOST_BUSY;
unsigned long flags;
ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
/*
* Close the race of a command that was in the process of
* being queued to us just as our simq was frozen. Let
* DV commands through so long as we are only frozen to
* perform DV.
*/
if (ahd->platform_data->qfrozen != 0) {
printf("%s: queue frozen\n", ahd_name(ahd));
ahd_lock(ahd, &flags);
if (ahd->platform_data->qfrozen == 0) {
cmd->scsi_done = scsi_done;
cmd->result = CAM_REQ_INPROG << 16;
rtn = ahd_linux_run_command(ahd, dev, cmd);
return SCSI_MLQUEUE_HOST_BUSY;
}
/*
* Save the callback on completion function.
*/
cmd->scsi_done = scsi_done;
cmd->result = CAM_REQ_INPROG << 16;
return ahd_linux_run_command(ahd, dev, cmd);
ahd_unlock(ahd, &flags);
return rtn;
}
static inline struct scsi_target **
@ -1081,7 +1072,6 @@ ahd_linux_register_host(struct ahd_softc *ahd, struct scsi_host_template *templa
*((struct ahd_softc **)host->hostdata) = ahd;
ahd_lock(ahd, &s);
scsi_assign_lock(host, &ahd->platform_data->spin_lock);
ahd->platform_data->host = host;
host->can_queue = AHD_MAX_QUEUE;
host->cmd_per_lun = 2;
@ -2062,6 +2052,7 @@ ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
int wait;
int disconnected;
ahd_mode_state saved_modes;
unsigned long flags;
pending_scb = NULL;
paused = FALSE;
@ -2077,7 +2068,7 @@ ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
printf(" 0x%x", cmd->cmnd[cdb_byte]);
printf("\n");
spin_lock_irq(&ahd->platform_data->spin_lock);
ahd_lock(ahd, &flags);
/*
* First determine if we currently own this command.
@ -2291,7 +2282,8 @@ ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
int ret;
ahd->platform_data->flags |= AHD_SCB_UP_EH_SEM;
spin_unlock_irq(&ahd->platform_data->spin_lock);
ahd_unlock(ahd, &flags);
init_timer(&timer);
timer.data = (u_long)ahd;
timer.expires = jiffies + (5 * HZ);
@ -2305,9 +2297,8 @@ ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
printf("Timer Expired\n");
retval = FAILED;
}
spin_lock_irq(&ahd->platform_data->spin_lock);
}
spin_unlock_irq(&ahd->platform_data->spin_lock);
ahd_unlock(ahd, &flags);
return (retval);
}