Extern or forward variable declaration at fs/xfs/libxfs/xfs_refcount_btree.h, line 27 References: fs/xfs/libxfs/xfs_refcount.c, line 1024 fs/xfs/libxfs/xfs_refcount.c, line 1054 fs/xfs/libxfs/xfs_refcount.c, line 1596 fs/xfs/libxfs/xfs_refcount_btree.c, line 54 fs/xfs/libxfs/xfs_refcount_btree.c, line 77 fs/xfs/libxfs/xfs_refcount_btree.c, line 124 fs/xfs/libxfs/xfs_refcount_btree.c, line 127 fs/xfs/libxfs/xfs_refcount_btree.c, line 228 fs/xfs/libxfs/xfs_refcount_btree.c, line 255 fs/xfs/libxfs/xfs_refcount_btree.c, line 270 fs/xfs/libxfs/xfs_refcount_btree.c, line 337 fs/xfs/libxfs/xfs_refcount_btree.c, line 428 fs/xfs/libxfs/xfs_refcount_btree.h, line 27 fs/xfs/libxfs/xfs_refcount_btree.h, line 61 fs/xfs/libxfs/xfs_sb.c, line 581 fs/xfs/libxfs/xfs_sb.c, line 616 fs/xfs/libxfs/xfs_sb.c, line 658 fs/xfs/libxfs/xfs_sb.c, line 673 fs/xfs/libxfs/xfs_sb.c, line 839