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authorNikolay Borisov <nborisov@suse.com>2018-10-01 17:46:12 +0300
committerDavid Sterba <dsterba@suse.com>2018-10-23 15:45:25 +0200
commitd8acc433533ac25a1a4b2432c73516a369acddb0 (patch)
treee58497a95eabd54cf7f0a5a1740d43fc4a1a650f /disk-io.c
parent43f14d06fd753bab8bbbca2ec3f81c032e68674f (diff)
btrfs-progs: Add support for freespace tree in btrfs_read_fs_root
For completeness sake add code to btrfs_read_fs_root so that it can handle the freespace tree. Reviewed-by: Omar Sandoval <osandov@fb.com> Reviewed-by: Su Yue <suy.fnst@cn.fujitsu.com> Signed-off-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'disk-io.c')
-rw-r--r--disk-io.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/disk-io.c b/disk-io.c
index 9b65f91a..3693d91f 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -668,6 +668,9 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_fs_info *fs_info,
if (location->objectid == BTRFS_QUOTA_TREE_OBJECTID)
return fs_info->quota_enabled ? fs_info->quota_root :
ERR_PTR(-ENOENT);
+ if (location->objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
+ return fs_info->free_space_root ? fs_info->free_space_root :
+ ERR_PTR(-ENOENT);
BUG_ON(location->objectid == BTRFS_TREE_RELOC_OBJECTID ||
location->offset != (u64)-1);