raw-posix: Switch paio_submit() to byte-based

The only remaining uses of paio_submit() were flush (with no
offset or count) and discard (which we are switching to byte-based);
furthermore, the similarly named paio_submit_co() is already
byte-based.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468624988-423-7-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/block/raw-posix.c b/block/raw-posix.c
index 20f4d7aa8d..b48efb3859 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1214,7 +1214,7 @@ static int paio_submit_co(BlockDriverState *bs, int fd,
 }
 
 static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd,
-        int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
+        int64_t offset, QEMUIOVector *qiov, int count,
         BlockCompletionFunc *cb, void *opaque, int type)
 {
     RawPosixAIOData *acb = g_new(RawPosixAIOData, 1);
@@ -1224,8 +1224,8 @@ static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd,
     acb->aio_type = type;
     acb->aio_fildes = fd;
 
-    acb->aio_nbytes = nb_sectors * BDRV_SECTOR_SIZE;
-    acb->aio_offset = sector_num * BDRV_SECTOR_SIZE;
+    acb->aio_nbytes = count;
+    acb->aio_offset = offset;
 
     if (qiov) {
         acb->aio_iov = qiov->iov;
@@ -1233,7 +1233,7 @@ static BlockAIOCB *paio_submit(BlockDriverState *bs, int fd,
         assert(qiov->size == acb->aio_nbytes);
     }
 
-    trace_paio_submit(acb, opaque, sector_num, nb_sectors, type);
+    trace_paio_submit(acb, opaque, offset, count, type);
     pool = aio_get_thread_pool(bdrv_get_aio_context(bs));
     return thread_pool_submit_aio(pool, aio_worker, acb, cb, opaque);
 }
@@ -1792,7 +1792,8 @@ static coroutine_fn BlockAIOCB *raw_aio_discard(BlockDriverState *bs,
 {
     BDRVRawState *s = bs->opaque;
 
-    return paio_submit(bs, s->fd, sector_num, NULL, nb_sectors,
+    return paio_submit(bs, s->fd, sector_num << BDRV_SECTOR_BITS, NULL,
+                       nb_sectors << BDRV_SECTOR_BITS,
                        cb, opaque, QEMU_AIO_DISCARD);
 }
 
@@ -2212,7 +2213,8 @@ static coroutine_fn BlockAIOCB *hdev_aio_discard(BlockDriverState *bs,
     if (fd_open(bs) < 0) {
         return NULL;
     }
-    return paio_submit(bs, s->fd, sector_num, NULL, nb_sectors,
+    return paio_submit(bs, s->fd, sector_num << BDRV_SECTOR_BITS, NULL,
+                       nb_sectors << BDRV_SECTOR_BITS,
                        cb, opaque, QEMU_AIO_DISCARD|QEMU_AIO_BLKDEV);
 }