https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234954
Bug ID: 234954
Summary: fsck -T flag suffers from ufs/ffs filesystem type
ambiguity
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: b...@freebsd.org
Reporter: i...@freebsd.org
The fsck(8) -T option is used to route options to the filesystem-specific
programs it runs. The fsck(8) wrapper program gleans the name of the
filesystem type from a variety of sources... on the commandline, from fstab,
from geom info, etc. From some sources of info it decides a filesystem is ufs,
from other sources it translates ufs to ffs.
This means that you can't reliably specify either -T ufs: or -T ffs: and be
sure that the option will take effect. fsck(8) should probably translate
everything (-T names and filesystem type names) to either ufs or ffs, but after
poking around a bit in the code, it appears that this translation has to happen
in many scattered locations.
A workaround is available, by specifying the option(s) you want twice, using
both of the filesystem type names.
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