X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=block%2Fbsg.c;h=8e181ab3afb9a515f38195b450145002a2be044d;hb=a70a93229943c177f0062490b4f8e44be4cef685;hp=d60eee54940554f9c168c22c7a722900be84595b;hpb=6a302358d87fedaf7bda12b8e909265ebf1ce674;p=powerpc.git

diff --git a/block/bsg.c b/block/bsg.c
index d60eee5494..8e181ab3af 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -1,5 +1,5 @@
 /*
- * bsg.c - block layer implementation of the sg v3 interface
+ * bsg.c - block layer implementation of the sg v4 interface
  *
  * Copyright (C) 2004 Jens Axboe <axboe@suse.de> SUSE Labs
  * Copyright (C) 2004 Peter M. Jones <pjones@redhat.com>
@@ -421,7 +421,6 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
 	hdr->info = 0;
 	if (hdr->device_status || hdr->transport_status || hdr->driver_status)
 		hdr->info |= SG_INFO_CHECK;
-	hdr->din_resid = rq->data_len;
 	hdr->response_len = 0;
 
 	if (rq->sense_len && hdr->response) {
@@ -437,9 +436,14 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
 	}
 
 	if (rq->next_rq) {
+		hdr->dout_resid = rq->data_len;
+		hdr->din_resid = rq->next_rq->data_len;
 		blk_rq_unmap_user(bidi_bio);
 		blk_put_request(rq->next_rq);
-	}
+	} else if (rq_data_dir(rq) == READ)
+		hdr->din_resid = rq->data_len;
+	else
+		hdr->dout_resid = rq->data_len;
 
 	blk_rq_unmap_user(bio);
 	blk_put_request(rq);
@@ -904,7 +908,7 @@ static long bsg_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	}
 }
 
-static struct file_operations bsg_fops = {
+static const struct file_operations bsg_fops = {
 	.read		=	bsg_read,
 	.write		=	bsg_write,
 	.poll		=	bsg_poll,
@@ -1006,10 +1010,7 @@ unlock:
 }
 EXPORT_SYMBOL_GPL(bsg_register_queue);
 
-static struct cdev bsg_cdev = {
-	.kobj   = {.name = "bsg", },
-	.owner  = THIS_MODULE,
-};
+static struct cdev bsg_cdev;
 
 static int __init bsg_init(void)
 {