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sheepdog: support creating images on remote hosts 

This patch parses the input filename in sd_create(), and enables us
specifying a target server to create sheepdog images.

Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
MORITA Kazutaka 2011-01-28 01:33:10 +09:00 committed by Kevin Wolf
parent bf595021c7
commit b444736346
1 changed files with 14 additions and 3 deletions
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17
block/sheepdog.c
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@ -1294,12 +1294,23 @@ static int do_sd_create(char *filename, int64_t vdi_size,
static int sd_create(const char *filename, QEMUOptionParameter *options)
{
int ret;
uint32_t vid = 0;
uint32_t vid = 0, base_vid = 0;
int64_t vdi_size = 0;
char *backing_file = NULL;
BDRVSheepdogState s;
char vdi[SD_MAX_VDI_LEN], tag[SD_MAX_VDI_TAG_LEN];
uint32_t snapid;
strstart(filename, "sheepdog:", (const char **)&filename);
memset(&s, 0, sizeof(s));
memset(vdi, 0, sizeof(vdi));
memset(tag, 0, sizeof(tag));
if (parse_vdiname(&s, filename, vdi, &snapid, tag) < 0) {
error_report("invalid filename\n");
return -EINVAL;
}
while (options && options->name) {
if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
vdi_size = options->value.n;
@ -1338,11 +1349,11 @@ static int sd_create(const char *filename, QEMUOptionParameter *options)
return -EINVAL;
}
vid = s->inode.vdi_id;
base_vid = s->inode.vdi_id;
bdrv_delete(bs);
}
return do_sd_create((char *)filename, vdi_size, vid, NULL, 0, NULL, NULL);
return do_sd_create((char *)vdi, vdi_size, base_vid, &vid, 0, s.addr, s.port);
}
static void sd_close(BlockDriverState *bs)