When calculating file system overhead, ext4 does not account for the size of a file system's internal journal when it is present on the storage device but not loaded in memory (noload option used when the file system is mounted). This bug can be reproduced on a 4.8-rc7 kernel by running xfstest shared/289 with the 5 Sep 2016 version of the xfstest-bld test appliance in the nojournal test configuration. Eric Whitney (2): ext4: create function to read journal inode ext4: use journal inode to determine journal overhead fs/ext4/super.c | 51 ++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 40 insertions(+), 11 deletions(-) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html