diff options
author | Christoph Hellwig <hch@lst.de> | 2005-10-31 22:05:01 +0300 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.(none)> | 2005-11-06 21:52:08 +0300 |
commit | 4065a413d7684919b3f8804df8ab0cd9a09150f4 (patch) | |
tree | ac3925d8e622f1eabce2ee64baa7ba6664f29cc5 /drivers/scsi/aic7xxx | |
parent | 6d5e9fd1964e653fa538b020af351d3c9f609c07 (diff) | |
download | linux-4065a413d7684919b3f8804df8ab0cd9a09150f4.tar.xz |
[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>
Diffstat (limited to 'drivers/scsi/aic7xxx')
-rw-r--r-- | drivers/scsi/aic7xxx/aic79xx_osm.c | 37 |
1 files changed, 14 insertions, 23 deletions
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index cfb46c241b38..31e9f40e79a2 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -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 @@ done: 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 @@ done: 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); } |