cmd_dump: Also set read_only

In nochanges mode, without read_only, we can go into a fake rw mode
where we allow writes but hold them in memory.

That's not what we want for the dump tool - this fixes a bug where btree
nodes don't always get dumped correctly.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/cmd_dump.c b/cmd_dump.c
index e1f0a5aa6d198f7f70b2fce505610d63c6b6b17f..bf570dc68c87049cdf9a24888b04dd01e135fe3b 100644 (file)
--- a/cmd_dump.c
+++ b/cmd_dump.c
@@ -122,6 +122,7 @@ int cmd_dump(int argc, char *argv[])
        bool force = false, entire_journal = true;
        int fd, opt;
 
+       opt_set(opts, read_only,        true);
        opt_set(opts, nochanges,        true);
        opt_set(opts, norecovery,       true);
        opt_set(opts, degraded,         true);