On Mon, Aug 06, 2018 at 07:02:31PM +0200, Benjamin Meier wrote: > After switching to a newer kernel (4.9.110) I am not able to mount my > ext4-filesystem read-write. fsck does not find any errors or anything to > adjust. After spending hours of reading and learning I found the reason in > these lines: v4.9.110 doesn't have the code that you've referenced. It looks like it showed up in v4.9.112. Unfortunately, the commit in question was introduced in v4.18-rc4, and was buggy. The fix[1] landed in v4.18-rc7, but it looks like that hasn't been backported into the 4.9 series yet. [1] Commit 44de022c4382: ext4: fix false negatives *and* false positives in ext4_check_descriptors() ... oh, I see. It failed the automatic backport, so it has to be manually backported to the 4.9 and 4.4 trees. Someone thoughtful backported it to the 4.14 tree, but not the others. - Ted
