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[Qemu-devel] [RFC 12/24] qed: add bdrv_qed_copy_header()
From: |
Devin Nakamura |
Subject: |
[Qemu-devel] [RFC 12/24] qed: add bdrv_qed_copy_header() |
Date: |
Fri, 29 Jul 2011 00:49:42 -0400 |
Signed-off-by: Devin Nakamura <address@hidden>
---
block/qed.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/block/qed.c b/block/qed.c
index b05224a..556512b 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1579,6 +1579,21 @@ static int bdrv_qed_map(BlockDriverState *bs, uint64_t
guest_offset,
return 0;
}
+static int bdrv_qed_copy_header(BlockDriverState *bs)
+{
+ BlockDriverState *backup;
+ uint8_t buffer[512];
+ /*TODO: change filename*/
+ bdrv_create_file("headerbackup.temp", NULL);
+ bdrv_file_open(&backup, "headerbackup.temp", BDRV_O_RDWR);
+ bdrv_read(bs->file, 0, buffer, 1); /*TODO: check return code*/
+ bdrv_write(backup, 0, buffer, 1); /*TODO: check return code*/
+ bdrv_close(backup);
+
+ qed_write_header_sync(bs->opaque);
+ return 0;
+}
+
static QEMUOptionParameter qed_create_options[] = {
{
.name = BLOCK_OPT_SIZE,
@@ -1628,6 +1643,7 @@ static BlockDriver bdrv_qed = {
.bdrv_open_conversion_target = bdrv_qed_open_conversion_target,
.bdrv_get_mapping = bdrv_qed_get_mapping,
.bdrv_map = bdrv_qed_map,
+ .bdrv_copy_header = bdrv_qed_copy_header,
};
static void bdrv_qed_init(void)
--
1.7.6.rc1
- [Qemu-devel] [RFC 03/24] block: add bdrv_open_conversion_target(), (continued)
- [Qemu-devel] [RFC 03/24] block: add bdrv_open_conversion_target(), Devin Nakamura, 2011/07/29
- [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 <=
- [Qemu-devel] [RFC 15/24] qcow2: split up the creation of new refcount table from the act of checking it, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 14/24] qcow2: fix typo in documentation for qcow2_get_cluster_offset(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 16/24] qcow2: add qcow2_drop_leaked_clusters(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 17/24] qcow2: add qcow2_get_mapping, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 18/24] qcow2: add qcow2_map, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 19/24] qcow2: add qcow2_copy_header(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 21/24] qcow2: add qcow2_open_conversion_target(), Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 23/24] qemu-io: add setmap command, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 24/24] qemu-img: add inplace conversion to qemu-img, Devin Nakamura, 2011/07/29
- [Qemu-devel] [RFC 22/24] qemu-io: make map command use new block mapping function, Devin Nakamura, 2011/07/29