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[Qemu-devel] [RFC 03/24] block: add bdrv_open_conversion_target()
From: |
Devin Nakamura |
Subject: |
[Qemu-devel] [RFC 03/24] block: add bdrv_open_conversion_target() |
Date: |
Fri, 29 Jul 2011 00:49:33 -0400 |
Conflicts:
block.h
Signed-off-by: Devin Nakamura <address@hidden>
---
block.c | 32 ++++++++++++++++++++++++++++++++
block.h | 4 ++++
2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index 4503b7b..9530577 100644
--- a/block.c
+++ b/block.c
@@ -3038,6 +3038,38 @@ out:
return ret;
}
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ BlockConversionOptions *drv_options,
+ QEMUOptionParameter *usr_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 = drv_options->image_size >> BDRV_SECTOR_BITS;
+ 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, drv_options, usr_options);
+
+}
+
int bdrv_get_conversion_options(BlockDriverState *bs,
BlockConversionOptions *options)
{
diff --git a/block.h b/block.h
index ad7e5ea..662bae7 100644
--- a/block.h
+++ b/block.h
@@ -255,6 +255,10 @@ typedef struct BlockConversionOptions
BlockConversionOptions;
int bdrv_get_conversion_options(BlockDriverState *bs,
BlockConversionOptions *options);
+int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file,
+ BlockConversionOptions *drv_options,
+ QEMUOptionParameter *usr_options,
+ const char *target_fmt);
typedef enum {
BLKDBG_L1_UPDATE,
--
1.7.6.rc1
- [Qemu-devel] [RFC 00/24] inplace image conversion, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 02/24] block: add bdrv_get_conversion_options(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 01/24] block: add block conversion api, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 03/24] block: add bdrv_open_conversion_target(),
Devin Nakamura <=
- [Qemu-devel] [RFC 04/24] block: add bdrv_get_mapping(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 05/24] block: add bdrv_map(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 06/24] block: add bdrv_copy_header(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 07/24] qed: make qed_alloc_clusters round up offset to nearest cluster, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 08/24] qed: add qed_find_cluster_sync(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 10/24] qed: add qed_bdrv_map(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 11/24] qed: add open_conversion_target(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 09/24] qed: add qed_bdrv_get_mapping(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 13/24] qed: add bdrv_qed_get_conversion_options(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 12/24] qed: add bdrv_qed_copy_header(), Devin Nakamura, 2011/07/29