X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=block%2Fbsg.c;h=8e181ab3afb9a515f38195b450145002a2be044d;hb=7607341a265a56cdf8b4bf10d355098e80ea481b;hp=12c287b986256ead85b2ab1fae3eceabe75070e0;hpb=1079ddcb07e0c39b576cd60174ca00ed9545c163;p=linux-2.6

diff --git a/block/bsg.c b/block/bsg.c
index 12c287b986..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>
@@ -31,7 +31,7 @@
 #define BSG_VERSION	"0.4"
 
 struct bsg_device {
-	request_queue_t *queue;
+	struct request_queue *queue;
 	spinlock_t lock;
 	struct list_head busy_list;
 	struct list_head done_list;
@@ -172,7 +172,7 @@ unlock:
 	return ret;
 }
 
-static int blk_fill_sgv4_hdr_rq(request_queue_t *q, struct request *rq,
+static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
 				struct sg_io_v4 *hdr, int has_write_perm)
 {
 	memset(rq->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
@@ -206,7 +206,7 @@ static int blk_fill_sgv4_hdr_rq(request_queue_t *q, struct request *rq,
  * Check if sg_io_v4 from user is allowed and valid
  */
 static int
-bsg_validate_sgv4_hdr(request_queue_t *q, struct sg_io_v4 *hdr, int *rw)
+bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
 {
 	int ret = 0;
 
@@ -242,7 +242,7 @@ bsg_validate_sgv4_hdr(request_queue_t *q, struct sg_io_v4 *hdr, int *rw)
 static struct request *
 bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr)
 {
-	request_queue_t *q = bd->queue;
+	struct request_queue *q = bd->queue;
 	struct request *rq, *next_rq = NULL;
 	int ret, rw;
 	unsigned int dxfer_len;
@@ -337,7 +337,7 @@ static void bsg_rq_end_io(struct request *rq, int uptodate)
  * do final setup of a 'bc' and submit the matching 'rq' to the block
  * layer for io
  */
-static void bsg_add_command(struct bsg_device *bd, request_queue_t *q,
+static void bsg_add_command(struct bsg_device *bd, struct request_queue *q,
 			    struct bsg_command *bc, struct request *rq)
 {
 	rq->sense = bc->sense;
@@ -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);
@@ -603,7 +607,7 @@ static int __bsg_write(struct bsg_device *bd, const char __user *buf,
 	bc = NULL;
 	ret = 0;
 	while (nr_commands) {
-		request_queue_t *q = bd->queue;
+		struct request_queue *q = bd->queue;
 
 		bc = bsg_alloc_command(bd);
 		if (IS_ERR(bc)) {
@@ -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)
 {