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[Qemu-block] [PULL 36/69] xen_disk: Switch to byte-based aio block acces
From: |
Kevin Wolf |
Subject: |
[Qemu-block] [PULL 36/69] xen_disk: Switch to byte-based aio block access |
Date: |
Thu, 12 May 2016 16:35:16 +0200 |
From: Eric Blake <address@hidden>
Sector-based blk_aio_readv() and blk_aio_writev() should die; switch
to byte-based blk_aio_preadv() and blk_aio_pwritev() instead.
Signed-off-by: Eric Blake <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
hw/block/xen_disk.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/hw/block/xen_disk.c b/hw/block/xen_disk.c
index d4ce380..064c116 100644
--- a/hw/block/xen_disk.c
+++ b/hw/block/xen_disk.c
@@ -554,9 +554,8 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
block_acct_start(blk_get_stats(blkdev->blk), &ioreq->acct,
ioreq->v.size, BLOCK_ACCT_READ);
ioreq->aio_inflight++;
- blk_aio_readv(blkdev->blk, ioreq->start / BLOCK_SIZE,
- &ioreq->v, ioreq->v.size / BLOCK_SIZE,
- qemu_aio_complete, ioreq);
+ blk_aio_preadv(blkdev->blk, ioreq->start, &ioreq->v, 0,
+ qemu_aio_complete, ioreq);
break;
case BLKIF_OP_WRITE:
case BLKIF_OP_FLUSH_DISKCACHE:
@@ -569,9 +568,8 @@ static int ioreq_runio_qemu_aio(struct ioreq *ioreq)
ioreq->req.operation == BLKIF_OP_WRITE ?
BLOCK_ACCT_WRITE : BLOCK_ACCT_FLUSH);
ioreq->aio_inflight++;
- blk_aio_writev(blkdev->blk, ioreq->start / BLOCK_SIZE,
- &ioreq->v, ioreq->v.size / BLOCK_SIZE,
- qemu_aio_complete, ioreq);
+ blk_aio_pwritev(blkdev->blk, ioreq->start, &ioreq->v, 0,
+ qemu_aio_complete, ioreq);
break;
case BLKIF_OP_DISCARD:
{
--
1.8.3.1
- [Qemu-block] [PULL 43/69] atapi: Switch to byte-based block access, (continued)
- [Qemu-block] [PULL 43/69] atapi: Switch to byte-based block access, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 41/69] sd: Switch to byte-based block access, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 48/69] qcow2: improve qcow2_co_write_zeroes(), Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 39/69] onenand: Switch to byte-based block access, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 52/69] block: Invalidate all children, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 53/69] block: Drop superfluous invalidating bs->file from drivers, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 55/69] iotests: fix the redirection order in 083, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 57/69] Add new block driver interface to add/delete a BDS's child, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 59/69] qmp: add monitor command to add/remove a child, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 60/69] qemu-io: Add missing option documentation, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 36/69] xen_disk: Switch to byte-based aio block access,
Kevin Wolf <=
- [Qemu-block] [PULL 54/69] block: Inactivate all children, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 61/69] qemu-io: Make 'open' subcommand more like command line, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 46/69] qemu-io: Switch to byte-based block access, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 68/69] block: enable testing of LUKS driver with block I/O tests, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 50/69] block: Honor BDRV_REQ_FUA during write_zeroes, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 51/69] nbd: Simplify client FUA handling, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 49/69] block: Make supported_write_flags a per-bds property, Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 58/69] quorum: implement bdrv_add_child() and bdrv_del_child(), Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 56/69] qemu-img: check block status of backing file when converting., Kevin Wolf, 2016/05/12
- [Qemu-block] [PULL 62/69] qemu-io: Use bool for command line flags, Kevin Wolf, 2016/05/12