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authorKevin Wolf <kwolf@redhat.com>2016-03-08 15:57:05 +0100
committerKevin Wolf <kwolf@redhat.com>2016-03-14 16:46:43 +0100
commit8942764f548e239b1b78c28bb662bef3e1221c3d (patch)
tree92283d8f3604eea71c251b181a0112e4b0f7d080 /block/parallels.c
parentc10c9d96158ce4d05f4325e64c0ce6a5fcd64b8b (diff)
parallels: Use BB functions in .bdrv_create()
All users of the block layers are supposed to go through a BlockBackend. The .bdrv_create() implementation is one such user, so this patch converts it. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/parallels.c')
-rw-r--r--block/parallels.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/block/parallels.c b/block/parallels.c
index 3f9fd48cc6..0d1a60c972 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -30,6 +30,7 @@
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "block/block_int.h"
+#include "sysemu/block-backend.h"
#include "qemu/module.h"
#include "qemu/bitmap.h"
#include "qapi/util.h"
@@ -461,7 +462,7 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
int64_t total_size, cl_size;
uint8_t tmp[BDRV_SECTOR_SIZE];
Error *local_err = NULL;
- BlockDriverState *file;
+ BlockBackend *file;
uint32_t bat_entries, bat_sectors;
ParallelsHeader header;
int ret;
@@ -477,15 +478,17 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
return ret;
}
- file = NULL;
- ret = bdrv_open(&file, filename, NULL, NULL,
- BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_PROTOCOL,
- &local_err);
- if (ret < 0) {
+ file = blk_new_open("image", filename, NULL, NULL,
+ BDRV_O_RDWR | BDRV_O_CACHE_WB | BDRV_O_PROTOCOL,
+ &local_err);
+ if (file == NULL) {
error_propagate(errp, local_err);
- return ret;
+ return -EIO;
}
- ret = bdrv_truncate(file, 0);
+
+ blk_set_allow_write_beyond_eof(file, true);
+
+ ret = blk_truncate(file, 0);
if (ret < 0) {
goto exit;
}
@@ -509,18 +512,18 @@ static int parallels_create(const char *filename, QemuOpts *opts, Error **errp)
memset(tmp, 0, sizeof(tmp));
memcpy(tmp, &header, sizeof(header));
- ret = bdrv_pwrite(file, 0, tmp, BDRV_SECTOR_SIZE);
+ ret = blk_pwrite(file, 0, tmp, BDRV_SECTOR_SIZE);
if (ret < 0) {
goto exit;
}
- ret = bdrv_write_zeroes(file, 1, bat_sectors - 1, 0);
+ ret = blk_write_zeroes(file, 1, bat_sectors - 1, 0);
if (ret < 0) {
goto exit;
}
ret = 0;
done:
- bdrv_unref(file);
+ blk_unref(file);
return ret;
exit: