Symbol: XFS_ERRTAG_FREE_EXTENT
fs/xfs/libxfs/xfs_alloc.c
4022
if (XFS_TEST_ERROR(mp, XFS_ERRTAG_FREE_EXTENT))
fs/xfs/libxfs/xfs_rtbitmap.c
1070
if (XFS_TEST_ERROR(mp, XFS_ERRTAG_FREE_EXTENT))