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block: Make .bdrv_load_vmstate() vectored

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This brings it in line with .bdrv_save_vmstate().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Kevin Wolf 2016-06-09 16:50:16 +02:00
parent f1e8474115
commit 5ddda0b8f0
5 changed files with 36 additions and 13 deletions
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6
block/qcow2.c
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@ -2926,8 +2926,8 @@ static int qcow2_save_vmstate(BlockDriverState *bs, QEMUIOVector *qiov,
return ret;
}
static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf,
int64_t pos, int size)
static int qcow2_load_vmstate(BlockDriverState *bs, QEMUIOVector *qiov,
int64_t pos)
{
BDRVQcow2State *s = bs->opaque;
bool zero_beyond_eof = bs->zero_beyond_eof;
@ -2935,7 +2935,7 @@ static int qcow2_load_vmstate(BlockDriverState *bs, uint8_t *buf,
BLKDBG_EVENT(bs->file, BLKDBG_VMSTATE_LOAD);
bs->zero_beyond_eof = false;
ret = bdrv_pread(bs, qcow2_vm_state_offset(s) + pos, buf, size);
ret = bdrv_preadv(bs, qcow2_vm_state_offset(s) + pos, qiov);
bs->zero_beyond_eof = zero_beyond_eof;
return ret;