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[Qemu-devel] [PATCH v3 3/6] block: add bdrv_open_conversion_target()
From: |
Devin Nakamura |
Subject: |
[Qemu-devel] [PATCH v3 3/6] block: add bdrv_open_conversion_target() |
Date: |
Wed, 13 Jul 2011 08:57:41 -0400 |
Conflicts:
block.h
Signed-off-by: Devin Nakamura <address@hidden>
---
block.c | 31 +++++++++++++++++++++++++++++++
block.h | 3 +++
2 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index 5c0ba2d..7d3bc67 100644
--- a/block.c
+++ b/block.c
@@ -3019,6 +3019,37 @@ out:
return ret;
}
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ QEMUOptionParameter *options,
+ const char *target_fmt)
+{
+ BlockDriver *drv;
+ BlockDriverState *bss;
+
+ drv = bdrv_find_format(target_fmt);
+ if (!drv) {
+ return -ENOENT;
+ }
+
+ if (!drv->bdrv_open_conversion_target) {
+ return -ENOTSUP;
+ }
+
+ *bs = bdrv_new("");
+ bss = *bs;
+ bss->file = file;
+ bss->total_sectors = 0;
+ bss->encrypted = 0;
+ bss->valid_key = 0;
+ bss->open_flags = 0;
+ /* buffer_alignment defaulted to 512, drivers can change this value */
+ bss->buffer_alignment = 512;
+ bss->opaque = qemu_mallocz(drv->instance_size);
+ bss->drv = drv;
+ return drv->bdrv_open_conversion_target(bss, options);
+
+}
+
int bdrv_get_conversion_options(BlockDriverState *bs,
QEMUOptionParameter **options)
{
diff --git a/block.h b/block.h
index ca0af6d..145608e 100644
--- a/block.h
+++ b/block.h
@@ -252,6 +252,9 @@ int bdrv_in_use(BlockDriverState *bs);
int bdrv_get_conversion_options(BlockDriverState *bs,
QEMUOptionParameter **options);
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ QEMUOptionParameter *options,
+ const char *target_fmt);
typedef enum {
BLKDBG_L1_UPDATE,
--
1.7.6.rc1
- [Qemu-devel] [PATCH v3 1/6] block: add basic conversion api, Devin Nakamura, 2011/07/13
- [Qemu-devel] [PATCH v3 2/6] block: add bdrv_get_conversion_options(), Devin Nakamura, 2011/07/13
- [Qemu-devel] [PATCH v3 3/6] block: add bdrv_open_conversion_target(),
Devin Nakamura <=
- [Qemu-devel] [PATCH v3 4/6] block: add bdrv_get_mapping(), Devin Nakamura, 2011/07/13
- [Qemu-devel] [PATCH v3 5/6] block: add bdrv_map(), Devin Nakamura, 2011/07/13
- [Qemu-devel] [PATCH v3 6/6] block: add bdrv_copy_header(), Devin Nakamura, 2011/07/13
- Re: [Qemu-devel] [PATCH v3 1/6] block: add basic conversion api, Kevin Wolf, 2011/07/14