The -d, -i, -n options make no sense to rollback.
Check the improper usages such as:
# btrfs-convert -r -d <dev>
Signed-off-by: Gui Hecheng <[email protected]>
---
btrfs-convert.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/btrfs-convert.c b/btrfs-convert.c
index 952e3e6..2ea6a09 100644
--- a/btrfs-convert.c
+++ b/btrfs-convert.c
@@ -2699,6 +2699,7 @@ int main(int argc, char *argv[])
int noxattr = 0;
int datacsum = 1;
int rollback = 0;
+ int usage_error = 0;
char *file;
while(1) {
int c = getopt(argc, argv, "dinr");
@@ -2729,6 +2730,18 @@ int main(int argc, char *argv[])
return 1;
}
+ if (rollback) {
+ if (!datacsum || noxattr || !packing) {
+ fprintf(stderr, "Usage error: -d, -i, -n options do not
apply to rollback\n");
+ usage_error++;
+ }
+ }
+
+ if (usage_error) {
+ print_usage();
+ return 1;
+ }
+
file = argv[optind];
ret = check_mounted(file);
if (ret < 0) {
--
1.8.1.4
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