qcow2_amend_options() should not compare options against some inline
strings but rather use the symbolic macros available for each of the
creation options.
Signed-off-by: Max Reitz <mre...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
---
block/qcow2.c | 31 ++++++++++++++++---------------
1 file changed, 16 insertions(+), 15 deletions(-)
diff --git a/block/qcow2.c b/block/qcow2.c
index 1e333bf..c0c0333 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2675,8 +2675,8 @@ static int qcow2_amend_options(BlockDriverState *bs,
QemuOpts *opts,
continue;
}
- if (!strcmp(desc->name, "compat")) {
- compat = qemu_opt_get(opts, "compat");
+ if (!strcmp(desc->name, BLOCK_OPT_COMPAT_LEVEL)) {
+ compat = qemu_opt_get(opts, BLOCK_OPT_COMPAT_LEVEL);
if (!compat) {
/* preserve default */
} else if (!strcmp(compat, "0.10")) {
@@ -2687,32 +2687,33 @@ static int qcow2_amend_options(BlockDriverState *bs,
QemuOpts *opts,
fprintf(stderr, "Unknown compatibility level %s.\n", compat);
return -EINVAL;
}
- } else if (!strcmp(desc->name, "preallocation")) {
+ } else if (!strcmp(desc->name, BLOCK_OPT_PREALLOC)) {
fprintf(stderr, "Cannot change preallocation mode.\n");
return -ENOTSUP;
- } else if (!strcmp(desc->name, "size")) {
- new_size = qemu_opt_get_size(opts, "size", 0);
- } else if (!strcmp(desc->name, "backing_file")) {
- backing_file = qemu_opt_get(opts, "backing_file");
- } else if (!strcmp(desc->name, "backing_fmt")) {
- backing_format = qemu_opt_get(opts, "backing_fmt");
- } else if (!strcmp(desc->name, "encryption")) {
- encrypt = qemu_opt_get_bool(opts, "encryption", s->crypt_method);
+ } else if (!strcmp(desc->name, BLOCK_OPT_SIZE)) {
+ new_size = qemu_opt_get_size(opts, BLOCK_OPT_SIZE, 0);
+ } else if (!strcmp(desc->name, BLOCK_OPT_BACKING_FILE)) {
+ backing_file = qemu_opt_get(opts, BLOCK_OPT_BACKING_FILE);
+ } else if (!strcmp(desc->name, BLOCK_OPT_BACKING_FMT)) {
+ backing_format = qemu_opt_get(opts, BLOCK_OPT_BACKING_FMT);
+ } else if (!strcmp(desc->name, BLOCK_OPT_ENCRYPT)) {
+ encrypt = qemu_opt_get_bool(opts, BLOCK_OPT_ENCRYPT,
+ s->crypt_method);
if (encrypt != !!s->crypt_method) {
fprintf(stderr, "Changing the encryption flag is not "
"supported.\n");
return -ENOTSUP;
}
- } else if (!strcmp(desc->name, "cluster_size")) {
- cluster_size = qemu_opt_get_size(opts, "cluster_size",
+ } else if (!strcmp(desc->name, BLOCK_OPT_CLUSTER_SIZE)) {
+ cluster_size = qemu_opt_get_size(opts, BLOCK_OPT_CLUSTER_SIZE,
cluster_size);
if (cluster_size != s->cluster_size) {
fprintf(stderr, "Changing the cluster size is not "
"supported.\n");
return -ENOTSUP;
}
- } else if (!strcmp(desc->name, "lazy_refcounts")) {
- lazy_refcounts = qemu_opt_get_bool(opts, "lazy_refcounts",
+ } else if (!strcmp(desc->name, BLOCK_OPT_LAZY_REFCOUNTS)) {
+ lazy_refcounts = qemu_opt_get_bool(opts, BLOCK_OPT_LAZY_REFCOUNTS,
lazy_refcounts);
} else {
/* if this assertion fails, this probably means a new option was
--
1.9.3
