btrfs-progs: mkfs support for extended inode refs

This patch turns on the BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF superblock flag
when creating a new file system in mkfs, enabling extended inode refs.

Signed-off-by: Mark Fasheh <mfasheh@suse.de>

diff --git a/mkfs.c b/mkfs.c
index e46f155..0e042c7 100644 (file)
--- a/mkfs.c
+++ b/mkfs.c
@@ -1273,6 +1273,8 @@ int main(int ac, char **av)
        u64 size_of_data = 0;
        u64 source_dir_size = 0;
        char *pretty_buf;
+       struct btrfs_super_block *super;
+       u64 flags;
 
        while(1) {
                int c;
@@ -1483,13 +1485,14 @@ raid_groups:
        ret = create_data_reloc_tree(trans, root);
        BUG_ON(ret);
 
-       if (mixed) {
-               struct btrfs_super_block *super = &root->fs_info->super_copy;
-               u64 flags = btrfs_super_incompat_flags(super);
+       super = &root->fs_info->super_copy;
+       flags = btrfs_super_incompat_flags(super);
+       flags |= BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF;
 
+       if (mixed)
                flags |= BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS;
-               btrfs_set_super_incompat_flags(super, flags);
-       }
+
+       btrfs_set_super_incompat_flags(super, flags);
 
        printf("fs created label %s on %s\n\tnodesize %u leafsize %u "
            "sectorsize %u size %s\n",