btrfs-progs: dump-tree: convert dir-item-to-string to table

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/print-tree.c b/print-tree.c
index ea9b194..e3f87cb 100644 (file)
--- a/print-tree.c
+++ b/print-tree.c
@@ -31,35 +31,21 @@ static void print_dir_item_type(struct extent_buffer *eb,
                                 struct btrfs_dir_item *di)
 {
        u8 type = btrfs_dir_type(eb, di);
+       static const char* dir_item_str[] = {
+               [BTRFS_FT_REG_FILE]     = "FILE",
+               [BTRFS_FT_DIR]          = "DIR",
+               [BTRFS_FT_CHRDEV]       = "CHRDEV",
+               [BTRFS_FT_BLKDEV]       = "BLKDEV",
+               [BTRFS_FT_FIFO]         = "FIFO",
+               [BTRFS_FT_SOCK]         = "SOCK",
+               [BTRFS_FT_SYMLINK]      = "SYMLINK",
+               [BTRFS_FT_XATTR]        = "XATTR"
+       };
 
-       switch (type) {
-       case BTRFS_FT_REG_FILE:
-               printf("FILE");
-               break;
-       case BTRFS_FT_DIR:
-               printf("DIR");
-               break;
-       case BTRFS_FT_CHRDEV:
-               printf("CHRDEV");
-               break;
-       case BTRFS_FT_BLKDEV:
-               printf("BLKDEV");
-               break;
-       case BTRFS_FT_FIFO:
-               printf("FIFO");
-               break;
-       case BTRFS_FT_SOCK:
-               printf("SOCK");
-               break;
-       case BTRFS_FT_SYMLINK:
-               printf("SYMLINK");
-               break;
-       case BTRFS_FT_XATTR:
-               printf("XATTR");
-               break;
-       default:
-               printf("%u", type);
-       }
+       if (type < ARRAY_SIZE(dir_item_str) && dir_item_str[type])
+               printf("%s", dir_item_str[type]);
+       else
+               printf("DIR_ITEM.%u", type);
 }
 
 static void print_dir_item(struct extent_buffer *eb, u32 size,