[PATCH] kill libata scsi_wait_req usage (make libata compile with scsi-misc changes)

scsi_wait_req does not exist any more in the SCSI layer.  This patch
makes it so libata can compile again.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 7e37f48..261be24 100644 (file)
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -38,6 +38,7 @@
 #include <linux/spinlock.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_eh.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_request.h>
 #include <linux/libata.h>
@@ -147,7 +148,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
        u8 scsi_cmd[MAX_COMMAND_SIZE];
        u8 args[4], *argbuf = NULL;
        int argsize = 0;
-       struct scsi_request *sreq;
+       struct scsi_sense_hdr sshdr;
+       enum dma_data_direction data_dir;
 
        if (NULL == (void *)arg)
                return -EINVAL;
@@ -155,10 +157,6 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
        if (copy_from_user(args, arg, sizeof(args)))
                return -EFAULT;
 
-       sreq = scsi_allocate_request(scsidev, GFP_KERNEL);
-       if (!sreq)
-               return -EINTR;
-
        memset(scsi_cmd, 0, sizeof(scsi_cmd));
 
        if (args[3]) {
@@ -172,11 +170,11 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
                scsi_cmd[1]  = (4 << 1); /* PIO Data-in */
                scsi_cmd[2]  = 0x0e;     /* no off.line or cc, read from dev,
                                            block count in sector count field */
-               sreq->sr_data_direction = DMA_FROM_DEVICE;
+               data_dir = DMA_FROM_DEVICE;
        } else {
                scsi_cmd[1]  = (3 << 1); /* Non-data */
                /* scsi_cmd[2] is already 0 -- no off.line, cc, or data xfer */
-               sreq->sr_data_direction = DMA_NONE;
+               data_dir = DMA_NONE;
        }
 
        scsi_cmd[0] = ATA_16;
@@ -194,9 +192,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
 
        /* Good values for timeout and retries?  Values below
           from scsi_ioctl_send_command() for default case... */
-       scsi_wait_req(sreq, scsi_cmd, argbuf, argsize, (10*HZ), 5);
-
-       if (sreq->sr_result) {
+       if (scsi_execute_req(scsidev, scsi_cmd, data_dir, argbuf, argsize,
+                            &sshdr, (10*HZ), 5)) {
                rc = -EIO;
                goto error;
        }
@@ -207,8 +204,6 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg)
         && copy_to_user((void *)(arg + sizeof(args)), argbuf, argsize))
                rc = -EFAULT;
 error:
-       scsi_release_request(sreq);
-
        if (argbuf)
                kfree(argbuf);
 
@@ -231,7 +226,7 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
        int rc = 0;
        u8 scsi_cmd[MAX_COMMAND_SIZE];
        u8 args[7];
-       struct scsi_request *sreq;
+       struct scsi_sense_hdr sshdr;
 
        if (NULL == (void *)arg)
                return -EINVAL;
@@ -250,26 +245,13 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg)
        scsi_cmd[12] = args[5];
        scsi_cmd[14] = args[0];
 
-       sreq = scsi_allocate_request(scsidev, GFP_KERNEL);
-       if (!sreq) {
-               rc = -EINTR;
-               goto error;
-       }
-
-       sreq->sr_data_direction = DMA_NONE;
        /* Good values for timeout and retries?  Values below
-          from scsi_ioctl_send_command() for default case... */
-       scsi_wait_req(sreq, scsi_cmd, NULL, 0, (10*HZ), 5);
-
-       if (sreq->sr_result) {
+          from scsi_ioctl_send_command() for default case... */        
+       if (scsi_execute_req(scsidev, scsi_cmd, DMA_NONE, NULL, 0, &sshdr,
+                            (10*HZ), 5))
                rc = -EIO;
-               goto error;
-       }
 
        /* Need code to retrieve data from check condition? */
-
-error:
-       scsi_release_request(sreq);
        return rc;
 }