Comment 98 for bug 344878

eCryptfs cannot store filenames longer than 143 characters. It is simply a design limitation. You can read the history of this bug report and see that we've tried to come up with a better way of doing filename encryption but there is no known solution to store 255 character filenames without creating new design limitations.

Please only create new bugs if an application generates filenames that are too long to store in eCryptfs. The statfs() syscall provides a way for applications to check maximum filename length. eCryptfs now correctly reports its maximum filename length and applications should obey it.

When mv'ing files with long filenames into an eCryptfs mount, you may hit the filename limit. This is unfortunate, but it is a necessary limit when filename encryption is enabled.