Re: luks2 and discard/trim not working
Chris Murphy <lists-zXQU9YWDTqjmlV4oE/1sFAC/[email protected]>
| Newsgroups | gmane.linux.kernel.device-mapper.dm-crypt |
|---|---|
| Message-ID | <CAJCQCtQAuhh3aLFa7Sze17wmYqUa=JtPDXMiH7KirJE18Powzg@mail.gmail.com> |
On Sat, May 9, 2020 at 8:28 AM Nikolay Kichukov <[email protected]> wrote: > > Hello folks, > > Recently, I upgraded to LUKS2 on a NVME SSD disk and noticed that fstrim > does not work. Surely it was running fine with LUKS1. ... > dmsetup table /dev/mapper/root | grep allow > 0 947028136 crypt capi:rfc7539(chacha20,poly1305)-random > :32:logon:cryptsetup:6ae40ec7-1b4c-40ea-871b-d13c9ae66b92-d0 0 254:0 0 > 2 allow_discards integrity:28:aead Was the original luksFormat command combined with --integrity option? From man cryptsetup: Since dm-integrity doesn't support discards (TRIM), dm-crypt device on top of it inherits this, so integrity protection mode doesn't support discards either. -- Chris Murphy _______________________________________________ dm-crypt mailing list [email protected] https://www.saout.de/mailman/listinfo/dm-crypt