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qemu-io: Use blk_new_open() in openfile() 

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1423162705-32065-12-git-send-email-mreitz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Max Reitz 2015-02-05 13:58:20 -05:00 committed by Stefan Hajnoczi
parent 4fbec260ae
commit 1b58b43802
1 changed files with 12 additions and 18 deletions
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30
qemu-io.c
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@ -51,34 +51,29 @@ static const cmdinfo_t close_cmd = {
.oneline = "close the current open file",
};
static int openfile(char *name, BlockDriver *drv, int flags, int growable,
QDict *opts)
static int openfile(char *name, int flags, int growable, QDict *opts)
{
Error *local_err = NULL;
if (qemuio_bs) {
if (qemuio_blk) {
fprintf(stderr, "file open already, try 'help close'\n");
QDECREF(opts);
return 1;
}
qemuio_blk = blk_new_with_bs("hda", &error_abort);
qemuio_bs = blk_bs(qemuio_blk);
if (growable) {
flags |= BDRV_O_PROTOCOL;
}
if (bdrv_open(&qemuio_bs, name, NULL, opts, flags, drv, &local_err) < 0) {
qemuio_blk = blk_new_open("hda", name, NULL, opts, flags, &local_err);
if (!qemuio_blk) {
fprintf(stderr, "%s: can't open%s%s: %s\n", progname,
name ? " device " : "", name ?: "",
error_get_pretty(local_err));
error_free(local_err);
blk_unref(qemuio_blk);
qemuio_bs = NULL;
qemuio_blk = NULL;
return 1;
}
qemuio_bs = blk_bs(qemuio_blk);
return 0;
}
@ -170,9 +165,9 @@ static int open_f(BlockDriverState *bs, int argc, char **argv)
qemu_opts_reset(&empty_opts);
if (optind == argc - 1) {
return openfile(argv[optind], NULL, flags, growable, opts);
return openfile(argv[optind], flags, growable, opts);
} else if (optind == argc) {
return openfile(NULL, NULL, flags, growable, opts);
return openfile(NULL, flags, growable, opts);
} else {
QDECREF(opts);
return qemuio_command_usage(&open_cmd);
@ -387,8 +382,8 @@ int main(int argc, char **argv)
int c;
int opt_index = 0;
int flags = BDRV_O_UNMAP;
BlockDriver *drv = NULL;
Error *local_error = NULL;
QDict *opts = NULL;
#ifdef CONFIG_POSIX
signal(SIGPIPE, SIG_IGN);
@ -414,11 +409,10 @@ int main(int argc, char **argv)
}
break;
case 'f':
drv = bdrv_find_format(optarg);
if (!drv) {
error_report("Invalid format '%s'", optarg);
exit(EXIT_FAILURE);
if (!opts) {
opts = qdict_new();
}
qdict_put(opts, "driver", qstring_from_str(optarg));
break;
case 'c':
add_user_command(optarg);
@ -489,7 +483,7 @@ int main(int argc, char **argv)
}
if ((argc - optind) == 1) {
openfile(argv[optind], drv, flags, growable, NULL);
openfile(argv[optind], flags, growable, opts);
}
command_loop();