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[Qemu-devel] [PULL 06/41] block/iscsi: add .bdrv_get_info
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 06/41] block/iscsi: add .bdrv_get_info |
Date: |
Fri, 29 Nov 2013 17:45:21 +0100 |
From: Peter Lieven <address@hidden>
Signed-off-by: Peter Lieven <address@hidden>
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
block/iscsi.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/block/iscsi.c b/block/iscsi.c
index a2d578c..3095887 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1506,6 +1506,14 @@ out:
return ret;
}
+static int iscsi_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
+{
+ IscsiLun *iscsilun = bs->opaque;
+ bdi->unallocated_blocks_are_zero = !!iscsilun->lbprz;
+ bdi->can_write_zeroes_with_unmap = iscsilun->lbprz && iscsilun->lbp.lbpws;
+ return 0;
+}
+
static QEMUOptionParameter iscsi_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -1527,6 +1535,7 @@ static BlockDriver bdrv_iscsi = {
.create_options = iscsi_create_options,
.bdrv_getlength = iscsi_getlength,
+ .bdrv_get_info = iscsi_get_info,
.bdrv_truncate = iscsi_truncate,
#if defined(LIBISCSI_FEATURE_IOVECTOR)
--
1.8.1.4
- [Qemu-devel] [PULL 00/41] Block patches for 2.0 (flushing block-next), Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 04/41] block: add logical block provisioning info to BlockDriverInfo, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 02/41] block: add flags to bdrv_*_write_zeroes, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 01/41] block: make BdrvRequestFlags public, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 03/41] block: introduce BDRV_REQ_MAY_UNMAP request flag, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 07/41] block: add BlockLimits structure to BlockDriverState, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 06/41] block/iscsi: add .bdrv_get_info,
Kevin Wolf <=
- [Qemu-devel] [PULL 05/41] block: add wrappers for logical block provisioning information, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 08/41] block/raw: copy BlockLimits on raw_open, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 09/41] block: honour BlockLimits in bdrv_co_do_write_zeroes, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 10/41] block: honour BlockLimits in bdrv_co_discard, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 11/41] iscsi: set limits in BlockDriverState, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 12/41] iscsi: simplify iscsi_co_discard, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 13/41] iscsi: add bdrv_co_write_zeroes, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 14/41] block: introduce bdrv_make_zero, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 15/41] block/get_block_status: fix BDRV_BLOCK_ZERO for unallocated blocks, Kevin Wolf, 2013/11/29
- [Qemu-devel] [PULL 16/41] qemu-img: add support for fully allocated images, Kevin Wolf, 2013/11/29