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btrfs-progs: send: check if parent or clone sources are read-only

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Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2013-12-06 19:00:49 +01:00 committed by Chris Mason
parent 8d68cb2bad
commit 2b3b68a2f0
1 changed files with 24 additions and 0 deletions
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24
cmds-send.c
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@ -504,6 +504,18 @@ int cmd_send(int argc, char **argv)
"root_id for %s\n", subvol);
goto out;
}
ret = is_subvol_ro(&send, subvol);
if (ret < 0)
goto out;
if (!ret) {
ret = -EINVAL;
fprintf(stderr,
"ERROR: cloned subvol %s is not read-only.\n",
subvol);
goto out;
}
add_clone_source(&send, root_id);
subvol_uuid_search_finit(&send.sus);
free(subvol);
@ -532,6 +544,18 @@ int cmd_send(int argc, char **argv)
"%s\n", optarg, strerror(-ret));
goto out;
}
ret = is_subvol_ro(&send, snapshot_parent);
if (ret < 0)
goto out;
if (!ret) {
ret = -EINVAL;
fprintf(stderr,
"ERROR: parent %s is not read-only.\n",
snapshot_parent);
goto out;
}
full_send = 0;
break;
case 'i':