btrfs-progs: btrfsck: Print which filesystem to be checked to stdout

This patch makes btrfsck print the filesystem, which is to be checked,
to stdout, as well as the UUID of the corresponding partition.
This should be helpful when analyzing (copied and pasted) output of
btrfsck.

Signed-off-by: Dieter Ries <mail@dieterries.net>

diff --git a/btrfsck.c b/btrfsck.c
index 58baade..dd0f18b 100644 (file)
--- a/btrfsck.c
+++ b/btrfsck.c
@@ -26,6 +26,7 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <uuid/uuid.h>
 #include "kerncompat.h"
 #include "ctree.h"
 #include "volumes.h"
@@ -3543,6 +3544,7 @@ int main(int ac, char **av)
        struct btrfs_fs_info *info;
        struct btrfs_trans_handle *trans = NULL;
        u64 bytenr = 0;
+       char uuidbuf[37];
        int ret;
        int num;
        int repair = 0;
@@ -3595,6 +3597,8 @@ int main(int ac, char **av)
        }
 
        info = open_ctree_fs_info(av[optind], bytenr, rw, 1);
+       uuid_unparse(info->super_copy.fsid, uuidbuf);
+       printf("Checking filesystem on %s\nUUID: %s\n", av[optind], uuidbuf);
 
        if (info == NULL)
                return 1;