[SCSI] aic79xx: Remove busyq
From: Jeff Garzik <jgarzik@pobox.com>
This patch removes the busyq in aic79xx and uses the command-queue from
the midlayer instead. Additionally some dead code is removed.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Fixed rejections
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h
index 7823e52..792e97f 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.h
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.h
@@ -252,11 +252,7 @@
/***************************** SMP support ************************************/
#include <linux/spinlock.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) || defined(SCSI_HAS_HOST_LOCK))
#define AHD_SCSI_HAS_HOST_LOCK 1
-#else
-#define AHD_SCSI_HAS_HOST_LOCK 0
-#endif
#define AIC79XX_DRIVER_VERSION "1.3.11"
@@ -297,12 +293,11 @@
* after a successfully completed inquiry command to the target when
* that inquiry data indicates a lun is present.
*/
-TAILQ_HEAD(ahd_busyq, ahd_cmd);
+
typedef enum {
AHD_DEV_UNCONFIGURED = 0x01,
AHD_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
AHD_DEV_TIMER_ACTIVE = 0x04, /* Our timer is active */
- AHD_DEV_ON_RUN_LIST = 0x08, /* Queued to be run later */
AHD_DEV_Q_BASIC = 0x10, /* Allow basic device queuing */
AHD_DEV_Q_TAGGED = 0x20, /* Allow full SCSI2 command queueing */
AHD_DEV_PERIODIC_OTAG = 0x40, /* Send OTAG to prevent starvation */
@@ -312,7 +307,6 @@
struct ahd_linux_target;
struct ahd_linux_device {
TAILQ_ENTRY(ahd_linux_device) links;
- struct ahd_busyq busyq;
/*
* The number of transactions currently
@@ -453,18 +447,7 @@
* manner and are allocated below 4GB, the number of S/G segments is
* unrestricted.
*/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/*
- * We dynamically adjust the number of segments in pre-2.5 kernels to
- * avoid fragmentation issues in the SCSI mid-layer's private memory
- * allocator. See aic79xx_osm.c ahd_linux_size_nseg() for details.
- */
-extern u_int ahd_linux_nseg;
-#define AHD_NSEG ahd_linux_nseg
-#define AHD_LINUX_MIN_NSEG 64
-#else
#define AHD_NSEG 128
-#endif
/*
* Per-SCB OSM storage.
@@ -502,11 +485,9 @@
* Fields accessed from interrupt context.
*/
struct ahd_linux_target *targets[AHD_NUM_TARGETS];
- TAILQ_HEAD(, ahd_linux_device) device_runq;
struct ahd_completeq completeq;
spinlock_t spin_lock;
- struct tasklet_struct runq_tasklet;
u_int qfrozen;
pid_t dv_pid;
struct timer_list completeq_timer;
@@ -925,12 +906,8 @@
}
/**************************** Proc FS Support *********************************/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-int ahd_linux_proc_info(char *, char **, off_t, int, int, int);
-#else
int ahd_linux_proc_info(struct Scsi_Host *, char *, char **,
off_t, int, int);
-#endif
/*************************** Domain Validation ********************************/
#define AHD_DV_CMD(cmd) ((cmd)->scsi_done == ahd_linux_dv_complete)
@@ -1117,7 +1094,6 @@
void ahd_send_async(struct ahd_softc *, char channel,
u_int target, u_int lun, ac_code, void *);
void ahd_print_path(struct ahd_softc *, struct scb *);
-void ahd_platform_dump_card_state(struct ahd_softc *ahd);
#ifdef CONFIG_PCI
#define AHD_PCI_CONFIG 1