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[Qemu-devel] [PULL 10/48] vpc, vhdx: add get_info
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PULL 10/48] vpc, vhdx: add get_info |
Date: |
Fri, 6 Dec 2013 17:36:09 +0100 |
From: Paolo Bonzini <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
Reviewed-by: Peter Lieven <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block/vhdx.c | 10 ++++++++++
block/vpc.c | 14 ++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/block/vhdx.c b/block/vhdx.c
index 7d1af96..ed6fa53 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -1043,6 +1043,15 @@ static void vhdx_block_translate(BDRVVHDXState *s,
int64_t sector_num,
}
+static int vhdx_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
+{
+ BDRVVHDXState *s = bs->opaque;
+
+ bdi->cluster_size = s->block_size;
+
+ return 0;
+}
+
static coroutine_fn int vhdx_co_readv(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, QEMUIOVector *qiov)
@@ -1885,6 +1894,7 @@ static BlockDriver bdrv_vhdx = {
.bdrv_co_readv = vhdx_co_readv,
.bdrv_co_writev = vhdx_co_writev,
.bdrv_create = vhdx_create,
+ .bdrv_get_info = vhdx_get_info,
.create_options = vhdx_create_options,
};
diff --git a/block/vpc.c b/block/vpc.c
index 577cc45..551876f 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -455,6 +455,18 @@ fail:
return -1;
}
+static int vpc_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
+{
+ BDRVVPCState *s = (BDRVVPCState *)bs->opaque;
+ VHDFooter *footer = (VHDFooter *) s->footer_buf;
+
+ if (cpu_to_be32(footer->type) != VHD_FIXED) {
+ bdi->cluster_size = s->block_size;
+ }
+
+ return 0;
+}
+
static int vpc_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
@@ -857,6 +869,8 @@ static BlockDriver bdrv_vpc = {
.bdrv_read = vpc_co_read,
.bdrv_write = vpc_co_write,
+ .bdrv_get_info = vpc_get_info,
+
.create_options = vpc_create_options,
.bdrv_has_zero_init = vpc_has_zero_init,
};
--
1.8.4.2
- [Qemu-devel] [PULL 00/48] Block patches, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 04/48] block: generalize BlockLimits handling to cover bdrv_aio_discard too, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 02/48] coroutine: remove unused CoQueue AioContext, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 03/48] vmdk: Fix creating big description file, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 01/48] coroutine: remove qemu_co_queue_wait_insert_head, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 05/48] block: add flags to BlockRequest, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 06/48] block: add flags argument to bdrv_co_write_zeroes tracepoint, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 07/48] block: add bdrv_aio_write_zeroes, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 08/48] block: handle ENOTSUP from discard in generic code, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 09/48] block: make bdrv_co_do_write_zeroes stricter in producing aligned requests, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 10/48] vpc, vhdx: add get_info,
Stefan Hajnoczi <=
- [Qemu-devel] [PULL 11/48] block drivers: add discard/write_zeroes properties to bdrv_get_info implementation, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 12/48] block drivers: expose requirement for write same alignment from formats, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 15/48] block/iscsi: check WRITE SAME support differently depending on MAY_UNMAP, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 13/48] block/iscsi: remove .bdrv_has_zero_init, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 14/48] block/iscsi: updated copyright, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 16/48] raw-posix: implement write_zeroes with MAY_UNMAP for files, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 17/48] raw-posix: implement write_zeroes with MAY_UNMAP for block devices, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 18/48] raw-posix: add support for write_zeroes on XFS and block devices, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 19/48] qemu-iotests: 033 is fast, Stefan Hajnoczi, 2013/12/06
- [Qemu-devel] [PULL 20/48] scsi-disk: catch write protection errors in UNMAP, Stefan Hajnoczi, 2013/12/06