On 09/07, S. wrote: > Hi there, I develop Linux spins based on openSUSE Tumbleweed. Currently the > base system has Linux 5.14.0 and f2fs-tools 1.14.0. There is a bug that I can > consistently reproduce with: > # mkfs.f2fs -f /dev/sda1 > When the prior filesystem of /dev/sda1 is Btrfs, the `mkfs.f2fs` command is > successful, but the filesystem type remains "Btrfs". Then the filesystem can > be manually mounted with `mount -t f2fs ####` but only manually, the wrong FS > type confuses the Linux boot process and won't allow it to mount in the case > of a root partition. This appears to only happen when the previous filesystem > is Btrfs. I have tested this bug to *not* occur when the previous filesystem > is EXT4 and XFS.
It seems mkfs.f2fs didn't wipe the BTRFS magic since that is unused critical space in f2fs. Anyway, I think it's worth to fix it. https://lore.kernel.org/linux-f2fs-devel/20210910225618.501839-1-jaeg...@kernel.org/T/#u > Thanks a lot! > > > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
