Merge branch 'nfs-for-2.6.32'

[pandora-kernel.git] / drivers / s390 / block / dasd.c

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 7498366..e109da4 100644 (file)
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -669,14 +669,14 @@ static void dasd_profile_end(struct dasd_block *block,
  * memory and 2) dasd_smalloc_request uses the static ccw memory
  * that gets allocated for each device.
  */
-struct dasd_ccw_req *dasd_kmalloc_request(char *magic, int cplength,
+struct dasd_ccw_req *dasd_kmalloc_request(int magic, int cplength,
                                          int datasize,
                                          struct dasd_device *device)
 {
        struct dasd_ccw_req *cqr;
 
        /* Sanity checks */
-       BUG_ON( magic == NULL || datasize > PAGE_SIZE ||
+       BUG_ON(datasize > PAGE_SIZE ||
             (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
 
        cqr = kzalloc(sizeof(struct dasd_ccw_req), GFP_ATOMIC);
@@ -700,14 +700,13 @@ struct dasd_ccw_req *dasd_kmalloc_request(char *magic, int cplength,
                        return ERR_PTR(-ENOMEM);
                }
        }
-       strncpy((char *) &cqr->magic, magic, 4);
-       ASCEBC((char *) &cqr->magic, 4);
+       cqr->magic =  magic;
        set_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
        dasd_get_device(device);
        return cqr;
 }
 
-struct dasd_ccw_req *dasd_smalloc_request(char *magic, int cplength,
+struct dasd_ccw_req *dasd_smalloc_request(int magic, int cplength,
                                          int datasize,
                                          struct dasd_device *device)
 {
@@ -717,7 +716,7 @@ struct dasd_ccw_req *dasd_smalloc_request(char *magic, int cplength,
        int size;
 
        /* Sanity checks */
-       BUG_ON( magic == NULL || datasize > PAGE_SIZE ||
+       BUG_ON(datasize > PAGE_SIZE ||
             (cplength*sizeof(struct ccw1)) > PAGE_SIZE);
 
        size = (sizeof(struct dasd_ccw_req) + 7L) & -8L;
@@ -744,8 +743,7 @@ struct dasd_ccw_req *dasd_smalloc_request(char *magic, int cplength,
                cqr->data = data;
                memset(cqr->data, 0, datasize);
        }
-       strncpy((char *) &cqr->magic, magic, 4);
-       ASCEBC((char *) &cqr->magic, 4);
+       cqr->magic = magic;
        set_bit(DASD_CQR_FLAGS_USE_ERP, &cqr->flags);
        dasd_get_device(device);
        return cqr;
@@ -899,9 +897,6 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
        switch (rc) {
        case 0:
                cqr->status = DASD_CQR_IN_IO;
-               DBF_DEV_EVENT(DBF_DEBUG, device,
-                             "start_IO: request %p started successful",
-                             cqr);
                break;
        case -EBUSY:
                DBF_DEV_EVENT(DBF_DEBUG, device, "%s",
@@ -1699,8 +1694,11 @@ static void __dasd_process_request_queue(struct dasd_block *block)
         * for that. State DASD_STATE_ONLINE is normal block device
         * operation.
         */
-       if (basedev->state < DASD_STATE_READY)
+       if (basedev->state < DASD_STATE_READY) {
+               while ((req = blk_fetch_request(block->request_queue)))
+                       __blk_end_request_all(req, -EIO);
                return;
+       }
        /* Now we try to fetch requests from the request queue */
        while (!blk_queue_plugged(queue) && (req = blk_peek_request(queue))) {
                if (basedev->features & DASD_FEATURE_READONLY &&
@@ -2135,9 +2133,9 @@ static int dasd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
        struct dasd_device *base;
 
        block = bdev->bd_disk->private_data;
-       base = block->base;
        if (!block)
                return -ENODEV;
+       base = block->base;
 
        if (!base->discipline ||
            !base->discipline->fill_geometry)
@@ -2530,7 +2528,7 @@ EXPORT_SYMBOL_GPL(dasd_generic_restore_device);
 static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
                                                   void *rdc_buffer,
                                                   int rdc_buffer_size,
-                                                  char *magic)
+                                                  int magic)
 {
        struct dasd_ccw_req *cqr;
        struct ccw1 *ccw;
@@ -2561,7 +2559,7 @@ static struct dasd_ccw_req *dasd_generic_build_rdc(struct dasd_device *device,
 }
 
 
-int dasd_generic_read_dev_chars(struct dasd_device *device, char *magic,
+int dasd_generic_read_dev_chars(struct dasd_device *device, int magic,
                                void *rdc_buffer, int rdc_buffer_size)
 {
        int ret;