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-rw-r--r--block/blk-core.c2
-rw-r--r--block/blk-map.c2
-rw-r--r--block/blk-merge.c1
-rw-r--r--block/bsg.c8
-rw-r--r--block/scsi_ioctl.c3
5 files changed, 11 insertions, 5 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index c013ca22eb67..775c8516abf5 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -127,6 +127,7 @@ void rq_init(struct request_queue *q, struct request *rq)
rq->nr_hw_segments = 0;
rq->ioprio = 0;
rq->special = NULL;
+ rq->raw_data_len = 0;
rq->buffer = NULL;
rq->tag = -1;
rq->errors = 0;
@@ -2015,6 +2016,7 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
rq->hard_cur_sectors = rq->current_nr_sectors;
rq->hard_nr_sectors = rq->nr_sectors = bio_sectors(bio);
rq->buffer = bio_data(bio);
+ rq->raw_data_len = bio->bi_size;
rq->data_len = bio->bi_size;
rq->bio = rq->biotail = bio;
diff --git a/block/blk-map.c b/block/blk-map.c
index a7cf63ccb5cf..09f7fd0bcb73 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -19,6 +19,7 @@ int blk_rq_append_bio(struct request_queue *q, struct request *rq,
rq->biotail->bi_next = bio;
rq->biotail = bio;
+ rq->raw_data_len += bio->bi_size;
rq->data_len += bio->bi_size;
}
return 0;
@@ -154,6 +155,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq,
bio->bi_io_vec[bio->bi_vcnt - 1].bv_len += pad_len;
bio->bi_size += pad_len;
+ rq->data_len += pad_len;
}
rq->buffer = rq->data = NULL;
diff --git a/block/blk-merge.c b/block/blk-merge.c
index d3b84bbb776a..39f2e077a014 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -228,6 +228,7 @@ new_segment:
((unsigned long)q->dma_drain_buffer) &
(PAGE_SIZE - 1));
nsegs++;
+ rq->data_len += q->dma_drain_size;
}
if (sg)
diff --git a/block/bsg.c b/block/bsg.c
index 8917c5174dc2..7f3c09549e4b 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -437,14 +437,14 @@ 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;
+ hdr->dout_resid = rq->raw_data_len;
+ hdr->din_resid = rq->next_rq->raw_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;
+ hdr->din_resid = rq->raw_data_len;
else
- hdr->dout_resid = rq->data_len;
+ hdr->dout_resid = rq->raw_data_len;
/*
* If the request generated a negative error number, return it
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 9675b34638d4..e993cac4911d 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -266,7 +266,7 @@ static int blk_complete_sghdr_rq(struct request *rq, struct sg_io_hdr *hdr,
hdr->info = 0;
if (hdr->masked_status || hdr->host_status || hdr->driver_status)
hdr->info |= SG_INFO_CHECK;
- hdr->resid = rq->data_len;
+ hdr->resid = rq->raw_data_len;
hdr->sb_len_wr = 0;
if (rq->sense_len && hdr->sbp) {
@@ -528,6 +528,7 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk,
rq = blk_get_request(q, WRITE, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->data = NULL;
+ rq->raw_data_len = 0;
rq->data_len = 0;
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
memset(rq->cmd, 0, sizeof(rq->cmd));