From: Ed L. Cashin <[email protected]>
Instead of starting with bio->bi_io_vec, use the offset in bio->bi_idx.
Signed-off-by: "Ed L. Cashin" <[email protected]>
Acked-by: Alan Cox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/block/aoe/aoeblk.c | 3 ++-
drivers/block/aoe/aoecmd.c | 1 +
2 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index a7dbe6f..196ae7a 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -142,7 +142,8 @@ aoeblk_make_request(request_queue_t *q,
buf->bio = bio;
buf->resid = bio->bi_size;
buf->sector = bio->bi_sector;
- buf->bv = buf->bio->bi_io_vec;
+ buf->bv = &bio->bi_io_vec[bio->bi_idx];
+ WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index f2b8f55..2d0bcdd 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -166,6 +166,7 @@ aoecmd_ata_rw(struct aoedev *d, struct f
d->inprocess = NULL;
} else if (buf->bv_resid == 0) {
buf->bv++;
+ WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
}
--
1.4.2.4
-
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