diff options
Diffstat (limited to 'drivers/s390/block/dasd.c')
-rw-r--r-- | drivers/s390/block/dasd.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 74983666865..e109da4583a 100644 --- 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; |