diff options
| -rw-r--r-- | cmds-fi-disk_usage.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/cmds-fi-disk_usage.c b/cmds-fi-disk_usage.c index f432fa57..8bc4f58f 100644 --- a/cmds-fi-disk_usage.c +++ b/cmds-fi-disk_usage.c @@ -172,6 +172,12 @@ int load_chunk_info(int fd, struct chunk_info **info_ptr, int *info_count) while (1) { ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args); e = errno; + if (ret == -EPERM) { + fprintf(stderr, + "ERROR: can't read detailed chunk info from ioctl(TREE_SEARCH), run as root\n"); + return 0; + } + if (ret < 0) { fprintf(stderr, "ERROR: can't perform the search - %s\n", @@ -461,6 +467,10 @@ int load_device_info(int fd, struct device_info **device_info_ptr, *device_info_ptr = 0; ret = ioctl(fd, BTRFS_IOC_FS_INFO, &fi_args); + if (ret == -EPERM) { + fprintf(stderr, "ERROR: can't get filesystem info from ioctl(FS_INFO), run as root\n"); + return -1; + } if (ret < 0) { fprintf(stderr, "ERROR: cannot get filesystem info\n"); return -1; |