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qemu-nbd: Use blk_new_open() in main()

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Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1423162705-32065-11-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz 2015-02-05 13:58:19 -05:00 committed by Stefan Hajnoczi
parent f1d3cd792b
commit 4fbec260ae
1 changed files with 9 additions and 16 deletions
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25
qemu-nbd.c
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@ -391,7 +391,6 @@ int main(int argc, char **argv)
{
BlockBackend *blk;
BlockDriverState *bs;
BlockDriver *drv;
off_t dev_offset = 0;
uint32_t nbdflags = 0;
bool disconnect = false;
@ -434,7 +433,7 @@ int main(int argc, char **argv)
char *end;
int flags = BDRV_O_RDWR;
int partition = -1;
int ret;
int ret = 0;
int fd;
bool seen_cache = false;
bool seen_discard = false;
@ -445,6 +444,7 @@ int main(int argc, char **argv)
const char *fmt = NULL;
Error *local_err = NULL;
BlockdevDetectZeroesOptions detect_zeroes = BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF;
QDict *options = NULL;
/* The client thread uses SIGTERM to interrupt the server. A signal
* handler ensures that "qemu-nbd -v -c" exits with a nice status code.
@ -689,24 +689,17 @@ int main(int argc, char **argv)
atexit(bdrv_close_all);
if (fmt) {
drv = bdrv_find_format(fmt);
if (!drv) {
errx(EXIT_FAILURE, "Unknown file format '%s'", fmt);
}
} else {
drv = NULL;
options = qdict_new();
qdict_put(options, "driver", qstring_from_str(fmt));
}
blk = blk_new_with_bs("hda", &error_abort);
bs = blk_bs(blk);
srcpath = argv[optind];
ret = bdrv_open(&bs, srcpath, NULL, NULL, flags, drv, &local_err);
if (ret < 0) {
errno = -ret;
err(EXIT_FAILURE, "Failed to bdrv_open '%s': %s", argv[optind],
error_get_pretty(local_err));
blk = blk_new_open("hda", srcpath, NULL, options, flags, &local_err);
if (!blk) {
errx(EXIT_FAILURE, "Failed to blk_new_open '%s': %s", argv[optind],
error_get_pretty(local_err));
}
bs = blk_bs(blk);
if (sn_opts) {
ret = bdrv_snapshot_load_tmp(bs,