On Fri, Aug 18, 2017 at 12:19:42PM -0600, Andreas Dilger wrote: > If there is a directory with more than EXT2_LINK_MAX (65000) > subdirectories, but the DIR_NLINK feature is not set in the > superblock, the feature should be set before continuing on > to change the on-disk directory link count to 1. > > While most filesystems should have DIR_NLINK set (it was set > by default for all ext4 filesystems, and the kernel before > 4.12 automatically set it if the directory link count grew > too large), it is possible that this flag is lost due to disk > corruption or for an upgraded filesystem. We no longer want > the kernel to automatically enable this feature. > > Addresses: https://bugzilla.kernel.org/show_bug.cgi?id=196405 > Signed-off-by: Andreas Dilger <adilger@xxxxxxxxx> The f_large_dir test is now failing after I apply this patch: debugfs 1.43.6 (29-Aug-2017) ./test_one: 38: /usr/projects/e2fsprogs/e2fsprogs/tests/f_large_dir/script: arithmetic expression: division by zero: "i / ELAPSED" f_large_dir: optimize 3 level htree directories: failed - Ted
